{
  "name": "Data behind: How many physical therapists are there in the US? (2026 data)",
  "description": "55 NPI counts by primary classification, taxonomy code, practice state, enumeration year and time since last update from the CMS NPPES September 2026 file (records to 13 September 2026). One row per published figure, plus one row per derived figure with its formula and inputs. Taxonomy codes are self-reported; counts are NPI records, not people.",
  "dateModified": "2026-09-13",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "fixture": false,
  "columns": [
    "id",
    "kind",
    "entity",
    "attribute",
    "scenario",
    "value",
    "number",
    "unit",
    "scope",
    "input_price_scope",
    "scenario_scope",
    "formula",
    "expression",
    "source_owner",
    "source_url",
    "observed_at",
    "fixture"
  ],
  "grain": "one row per aggregate group (each published figure), plus one row per derived figure with its formula and inputs",
  "rows": [
    {
      "id": "r01",
      "kind": "observed",
      "entity": "Physical Therapist (primary taxonomy), active individual NPIs",
      "attribute": "Physical therapists and assistants in the NPPES file",
      "scenario": "",
      "value": "289,264 NPIs",
      "number": 289264,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r02",
      "kind": "observed",
      "entity": "Physical Therapy Assistant (primary taxonomy), active individual NPIs",
      "attribute": "Physical therapists and assistants in the NPPES file",
      "scenario": "",
      "value": "61,515 NPIs",
      "number": 61515,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r03",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 225100000X (Physical Therapist, general)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "266,937 active individual NPIs (92.3%)",
      "number": 266937,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r04",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251X0800X (Orthopedic)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "10,833 active individual NPIs (3.7%)",
      "number": 10833,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r05",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251P0200X (Pediatrics)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "6,822 active individual NPIs (2.4%)",
      "number": 6822,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r06",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251G0304X (Geriatrics)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "2,063 active individual NPIs (0.7%)",
      "number": 2063,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r07",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251N0400X (Neurology)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "1,130 active individual NPIs (0.4%)",
      "number": 1130,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r08",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251S0007X (Sports)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "967 active individual NPIs (0.3%)",
      "number": 967,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r09",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251H1200X (Hand)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "182 active individual NPIs (0.1%)",
      "number": 182,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r10",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251E1300X (Electrophysiology, Clinical)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "121 active individual NPIs (0.0%)",
      "number": 121,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r11",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251C2600X (Cardiopulmonary)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "114 active individual NPIs (0.0%)",
      "number": 114,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r12",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251E1200X (Ergonomics)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "65 active individual NPIs (0.0%)",
      "number": 65,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r13",
      "kind": "observed",
      "entity": "Physical therapists with primary taxonomy 2251H1300X (Human Factors)",
      "attribute": "Physical therapists per taxonomy code",
      "scenario": "",
      "value": "30 active individual NPIs (0.0%)",
      "number": 30,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r14",
      "kind": "observed",
      "entity": "Physical therapists practising in CA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "25,628 of the 289,264 active individual physical therapist NPIs (8.9%)",
      "number": 25628,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r15",
      "kind": "observed",
      "entity": "Physical therapists practising in NY",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "24,049 of the 289,264 active individual physical therapist NPIs (8.3%)",
      "number": 24049,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r16",
      "kind": "observed",
      "entity": "Physical therapists practising in TX",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "17,121 of the 289,264 active individual physical therapist NPIs (5.9%)",
      "number": 17121,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r17",
      "kind": "observed",
      "entity": "Physical therapists practising in FL",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "15,852 of the 289,264 active individual physical therapist NPIs (5.5%)",
      "number": 15852,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r18",
      "kind": "observed",
      "entity": "Physical therapists practising in PA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "13,859 of the 289,264 active individual physical therapist NPIs (4.8%)",
      "number": 13859,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r19",
      "kind": "observed",
      "entity": "Physical therapists practising in IL",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "12,863 of the 289,264 active individual physical therapist NPIs (4.4%)",
      "number": 12863,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r20",
      "kind": "observed",
      "entity": "Physical therapists practising in NJ",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "10,585 of the 289,264 active individual physical therapist NPIs (3.7%)",
      "number": 10585,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r21",
      "kind": "observed",
      "entity": "Physical therapists practising in MI",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "10,222 of the 289,264 active individual physical therapist NPIs (3.5%)",
      "number": 10222,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r22",
      "kind": "observed",
      "entity": "Physical therapists practising in NC",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "9,472 of the 289,264 active individual physical therapist NPIs (3.3%)",
      "number": 9472,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r23",
      "kind": "observed",
      "entity": "Physical therapists practising in OH",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "8,302 of the 289,264 active individual physical therapist NPIs (2.9%)",
      "number": 8302,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r24",
      "kind": "observed",
      "entity": "Physical therapists practising in WA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "8,119 of the 289,264 active individual physical therapist NPIs (2.8%)",
      "number": 8119,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r25",
      "kind": "observed",
      "entity": "Physical therapists practising in MA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "7,769 of the 289,264 active individual physical therapist NPIs (2.7%)",
      "number": 7769,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r26",
      "kind": "observed",
      "entity": "Physical therapists practising in VA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "7,565 of the 289,264 active individual physical therapist NPIs (2.6%)",
      "number": 7565,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r27",
      "kind": "observed",
      "entity": "Physical therapists practising in GA",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "7,247 of the 289,264 active individual physical therapist NPIs (2.5%)",
      "number": 7247,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r28",
      "kind": "observed",
      "entity": "Physical therapists practising in CO",
      "attribute": "Physical therapists per practice state",
      "scenario": "",
      "value": "7,109 of the 289,264 active individual physical therapist NPIs (2.5%)",
      "number": 7109,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r29",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2005 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "5,456 of the 289,264 active physical therapist NPIs (from 23 May)",
      "number": 5456,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r30",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2006 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "38,458 of the 289,264 active physical therapist NPIs",
      "number": 38458,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r31",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2007 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "31,106 of the 289,264 active physical therapist NPIs",
      "number": 31106,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r32",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2008 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,202 of the 289,264 active physical therapist NPIs",
      "number": 12202,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r33",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2009 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "9,385 of the 289,264 active physical therapist NPIs",
      "number": 9385,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r34",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2010 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "9,032 of the 289,264 active physical therapist NPIs",
      "number": 9032,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r35",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2011 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "9,215 of the 289,264 active physical therapist NPIs",
      "number": 9215,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r36",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2012 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "10,236 of the 289,264 active physical therapist NPIs",
      "number": 10236,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r37",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2013 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "9,192 of the 289,264 active physical therapist NPIs",
      "number": 9192,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r38",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2014 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "10,214 of the 289,264 active physical therapist NPIs",
      "number": 10214,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r39",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2015 (first enumerated 2005 to 2015)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "10,320 of the 289,264 active physical therapist NPIs",
      "number": 10320,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r40",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2016 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "10,814 of the 289,264 active physical therapist NPIs",
      "number": 10814,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r41",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2017 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "11,202 of the 289,264 active physical therapist NPIs",
      "number": 11202,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r42",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2018 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "14,290 of the 289,264 active physical therapist NPIs",
      "number": 14290,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r43",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2019 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,683 of the 289,264 active physical therapist NPIs",
      "number": 12683,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r44",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2020 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,213 of the 289,264 active physical therapist NPIs",
      "number": 12213,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r45",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2021 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,821 of the 289,264 active physical therapist NPIs",
      "number": 12821,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r46",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2022 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,196 of the 289,264 active physical therapist NPIs",
      "number": 12196,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r47",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2023 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,621 of the 289,264 active physical therapist NPIs",
      "number": 12621,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r48",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2024 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,577 of the 289,264 active physical therapist NPIs",
      "number": 12577,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r49",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2025 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "12,858 of the 289,264 active physical therapist NPIs",
      "number": 12858,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r50",
      "kind": "observed",
      "entity": "Active physical therapist NPIs first enumerated in 2026 (first enumerated 2016 to 2026)",
      "attribute": "Physical therapist NPIs by enumeration year",
      "scenario": "",
      "value": "10,173 of the 289,264 active physical therapist NPIs (records to 13 September)",
      "number": 10173,
      "unit": "NPIs",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r51",
      "kind": "observed",
      "entity": "Physical therapist NPI records last updated under 1 year before 1 October 2026 (last updated within 5 years of 1 October 2026)",
      "attribute": "Update age of physical therapist NPI records",
      "scenario": "",
      "value": "32,368 of the 289,264 active physical therapist NPI records (11.2%)",
      "number": 32368,
      "unit": "NPI records",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r52",
      "kind": "observed",
      "entity": "Physical therapist NPI records last updated 1 to 3 years before 1 October 2026 (last updated within 5 years of 1 October 2026)",
      "attribute": "Update age of physical therapist NPI records",
      "scenario": "",
      "value": "46,714 of the 289,264 active physical therapist NPI records (16.1%)",
      "number": 46714,
      "unit": "NPI records",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r53",
      "kind": "observed",
      "entity": "Physical therapist NPI records last updated 3 to 5 years before 1 October 2026 (last updated within 5 years of 1 October 2026)",
      "attribute": "Update age of physical therapist NPI records",
      "scenario": "",
      "value": "37,145 of the 289,264 active physical therapist NPI records (12.8%)",
      "number": 37145,
      "unit": "NPI records",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r54",
      "kind": "observed",
      "entity": "Physical therapist NPI records last updated 5 to 10 years before 1 October 2026 (last updated 5 or more years before 1 October 2026)",
      "attribute": "Update age of physical therapist NPI records",
      "scenario": "",
      "value": "64,573 of the 289,264 active physical therapist NPI records (22.3%)",
      "number": 64573,
      "unit": "NPI records",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "r55",
      "kind": "observed",
      "entity": "Physical therapist NPI records last updated 10 years or more before 1 October 2026 (last updated 5 or more years before 1 October 2026)",
      "attribute": "Update age of physical therapist NPI records",
      "scenario": "",
      "value": "108,464 of the 289,264 active physical therapist NPI records (37.5%)",
      "number": 108464,
      "unit": "NPI records",
      "scope": "",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "",
      "expression": "",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d01",
      "kind": "derived",
      "entity": "Top 3 by Physical therapists per taxonomy code combined (225100000X (Physical Therapist, general), 2251X0800X (Orthopedic) and 2251P0200X (Pediatrics))",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "284,592 NPIs",
      "number": 284592.0,
      "unit": "NPIs",
      "scope": "inputs r03, r04, r05",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "266,937 + 10,833 + 6,822",
      "expression": "266937+10833+6822",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d02",
      "kind": "derived",
      "entity": "Top 5 by Physical therapists per taxonomy code combined (225100000X (Physical Therapist, general), 2251X0800X (Orthopedic), 2251P0200X (Pediatrics), 2251G0304X (Geriatrics) and 2251N0400X (Neurology))",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "287,785 NPIs",
      "number": 287785.0,
      "unit": "NPIs",
      "scope": "inputs r03, r04, r05, r06, r07",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "266,937 + 10,833 + 6,822 + 2,063 + 1,130",
      "expression": "266937+10833+6822+2063+1130",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d03",
      "kind": "derived",
      "entity": "Entities in Physical therapists per taxonomy code outside the top 5",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "6 of 11",
      "number": 6,
      "unit": "",
      "scope": "inputs r03, r04, r05, r06, r07, r08, r09, r10, r11, r12, r13",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "11 listed − top 5",
      "expression": "11-5",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d04",
      "kind": "derived",
      "entity": "The 6 outside the top 5 by Physical therapists per taxonomy code combined",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "1,479 NPIs",
      "number": 1479.0,
      "unit": "NPIs",
      "scope": "inputs r08, r09, r10, r11, r12, r13",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "sum of the 6 smaller figures",
      "expression": "967+182+121+114+65+30",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d05",
      "kind": "derived",
      "entity": "Top 3 by Physical therapists per practice state combined (CA, NY and TX)",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "66,798 NPIs",
      "number": 66798.0,
      "unit": "NPIs",
      "scope": "inputs r14, r15, r16",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "25,628 + 24,049 + 17,121",
      "expression": "25628+24049+17121",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d06",
      "kind": "derived",
      "entity": "Top 3 by Physical therapists per practice state: combined share of the 289,264 active individual physical therapist NPIs",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "23.1%",
      "number": 23.1,
      "unit": "%",
      "scope": "inputs r01, r14, r15, r16",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "66,798 ÷ 289,264 × 100 (the 289,264 active individual physical therapist NPIs)",
      "expression": "(25628+24049+17121)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d07",
      "kind": "derived",
      "entity": "Top 5 by Physical therapists per practice state combined (CA, NY, TX, FL and PA)",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "96,509 NPIs",
      "number": 96509.0,
      "unit": "NPIs",
      "scope": "inputs r14, r15, r16, r17, r18",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "25,628 + 24,049 + 17,121 + 15,852 + 13,859",
      "expression": "25628+24049+17121+15852+13859",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d08",
      "kind": "derived",
      "entity": "Top 5 by Physical therapists per practice state: combined share of the 289,264 active individual physical therapist NPIs",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "33.4%",
      "number": 33.4,
      "unit": "%",
      "scope": "inputs r01, r14, r15, r16, r17, r18",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "96,509 ÷ 289,264 × 100 (the 289,264 active individual physical therapist NPIs)",
      "expression": "(25628+24049+17121+15852+13859)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d09",
      "kind": "derived",
      "entity": "The 15 listed by Physical therapists per practice state combined",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "185,762 NPIs",
      "number": 185762.0,
      "unit": "NPIs",
      "scope": "inputs r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "sum of the 15 listed figures",
      "expression": "25628+24049+17121+15852+13859+12863+10585+10222+9472+8302+8119+7769+7565+7247+7109",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d10",
      "kind": "derived",
      "entity": "Outside the 15 listed by Physical therapists per practice state (the 289,264 active individual physical therapist NPIs)",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "103,502 NPIs",
      "number": 103502.0,
      "unit": "NPIs",
      "scope": "inputs r01, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "289,264 − 185,762",
      "expression": "289264-(25628+24049+17121+15852+13859+12863+10585+10222+9472+8302+8119+7769+7565+7247+7109)",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d11",
      "kind": "derived",
      "entity": "Outside the 15 listed by Physical therapists per practice state: share of the 289,264 active individual physical therapist NPIs",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "35.8%",
      "number": 35.8,
      "unit": "%",
      "scope": "inputs r01, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "103,502 ÷ 289,264 × 100 (the 289,264 active individual physical therapist NPIs)",
      "expression": "(289264-(25628+24049+17121+15852+13859+12863+10585+10222+9472+8302+8119+7769+7565+7247+7109))/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d12",
      "kind": "derived",
      "entity": "Outside the top 5 by Physical therapists per practice state (the 289,264 active individual physical therapist NPIs)",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "192,755 NPIs",
      "number": 192755.0,
      "unit": "NPIs",
      "scope": "inputs r01, r14, r15, r16, r17, r18",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "289,264 − 96,509",
      "expression": "289264-(25628+24049+17121+15852+13859)",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d13",
      "kind": "derived",
      "entity": "Outside the top 5 by Physical therapists per practice state: share of the 289,264 active individual physical therapist NPIs",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "66.6%",
      "number": 66.6,
      "unit": "%",
      "scope": "inputs r01, r14, r15, r16, r17, r18",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "192,755 ÷ 289,264 × 100 (the 289,264 active individual physical therapist NPIs)",
      "expression": "(289264-(25628+24049+17121+15852+13859))/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d14",
      "kind": "derived",
      "entity": "Entities in Physical therapists per practice state outside the top 5",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "10 of 15",
      "number": 10,
      "unit": "",
      "scope": "inputs r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "15 listed − top 5",
      "expression": "15-5",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d15",
      "kind": "derived",
      "entity": "The 10 outside the top 5 by Physical therapists per practice state combined",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "89,253 NPIs",
      "number": 89253.0,
      "unit": "NPIs",
      "scope": "inputs r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "sum of the 10 smaller figures",
      "expression": "12863+10585+10222+9472+8302+8119+7769+7565+7247+7109",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d16",
      "kind": "derived",
      "entity": "The 10 outside the top 5 by Physical therapists per practice state: combined share of the 289,264 active individual physical therapist NPIs",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "30.9%",
      "number": 30.9,
      "unit": "%",
      "scope": "inputs r01, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "89,253 ÷ 289,264 × 100 (the 289,264 active individual physical therapist NPIs)",
      "expression": "(12863+10585+10222+9472+8302+8119+7769+7565+7247+7109)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d17",
      "kind": "derived",
      "entity": "Jurisdictions outside the 15 listed practice states",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "36 of 51 jurisdictions (50 states and DC), not included in this comparison",
      "number": 36,
      "unit": "",
      "scope": "inputs r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "51 jurisdictions (50 states and DC) − 15 listed",
      "expression": "51-15",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d18",
      "kind": "derived",
      "entity": "Physical therapist NPIs first enumerated 2005 to 2015",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "154,816 NPIs",
      "number": 154816.0,
      "unit": "NPIs",
      "scope": "inputs r29, r30, r31, r32, r33, r34, r35, r36, r37, r38, r39",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "38,458 + 31,106 + 12,202 + 10,320 + 10,236 + 10,214 + 9,385 + 9,215 + 9,192 + 9,032 + 5,456",
      "expression": "38458+31106+12202+10320+10236+10214+9385+9215+9192+9032+5456",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d19",
      "kind": "derived",
      "entity": "Share of physical therapist NPIs first enumerated 2005 to 2015",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "53.5%",
      "number": 53.5,
      "unit": "%",
      "scope": "inputs r01, r29, r30, r31, r32, r33, r34, r35, r36, r37, r38, r39",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "154,816 ÷ 289,264 × 100 (the 289,264 active physical therapist NPIs)",
      "expression": "(38458+31106+12202+10320+10236+10214+9385+9215+9192+9032+5456)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d20",
      "kind": "derived",
      "entity": "Physical therapist NPIs first enumerated 2016 to 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "134,448 NPIs",
      "number": 134448.0,
      "unit": "NPIs",
      "scope": "inputs r40, r41, r42, r43, r44, r45, r46, r47, r48, r49, r50",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "14,290 + 12,858 + 12,821 + 12,683 + 12,621 + 12,577 + 12,213 + 12,196 + 11,202 + 10,814 + 10,173",
      "expression": "14290+12858+12821+12683+12621+12577+12213+12196+11202+10814+10173",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d21",
      "kind": "derived",
      "entity": "Share of physical therapist NPIs first enumerated 2016 to 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "46.5%",
      "number": 46.5,
      "unit": "%",
      "scope": "inputs r01, r40, r41, r42, r43, r44, r45, r46, r47, r48, r49, r50",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "134,448 ÷ 289,264 × 100 (the 289,264 active physical therapist NPIs)",
      "expression": "(14290+12858+12821+12683+12621+12577+12213+12196+11202+10814+10173)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d22",
      "kind": "derived",
      "entity": "Physical therapist NPI records last updated 5 or more years before 1 October 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "173,037 NPI records",
      "number": 173037.0,
      "unit": "NPI records",
      "scope": "inputs r54, r55",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "108,464 + 64,573",
      "expression": "108464+64573",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d23",
      "kind": "derived",
      "entity": "Share of physical therapist NPI records last updated 5 or more years before 1 October 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "59.8%",
      "number": 59.8,
      "unit": "%",
      "scope": "inputs r01, r54, r55",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "173,037 ÷ 289,264 × 100 (the 289,264 active physical therapist NPI records)",
      "expression": "(108464+64573)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d24",
      "kind": "derived",
      "entity": "Physical therapist NPI records last updated within 5 years of 1 October 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "116,227 NPI records",
      "number": 116227.0,
      "unit": "NPI records",
      "scope": "inputs r51, r52, r53",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "46,714 + 37,145 + 32,368",
      "expression": "46714+37145+32368",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    },
    {
      "id": "d25",
      "kind": "derived",
      "entity": "Share of physical therapist NPI records last updated within 5 years of 1 October 2026",
      "attribute": "Derived figure",
      "scenario": "",
      "value": "40.2%",
      "number": 40.2,
      "unit": "%",
      "scope": "inputs r01, r51, r52, r53",
      "input_price_scope": "",
      "scenario_scope": "",
      "formula": "116,227 ÷ 289,264 × 100 (the 289,264 active physical therapist NPI records)",
      "expression": "(46714+37145+32368)/289264*100",
      "source_owner": "Provyx aggregation of the CMS NPPES monthly file (September 2026 release, records to 13 September 2026)",
      "source_url": "https://download.cms.gov/nppes/NPI_Files.html",
      "observed_at": "2026-09-13",
      "fixture": false
    }
  ]
}