{
  "name": "Active NPI staleness in the NPPES file through 4 October 2026",
  "as_of": "2026-10-04",
  "deactivation_report": "2026-09-14",
  "source": "NPPES dissemination through 4 October 2026, table provyx_nppes.m131.lookup",
  "method": "Active excludes a blank entity type and any row whose deactivation date is not followed by a later reactivation. Never updated means last_update_date equals enumeration_date. Not updated in 5+ years means last_update_date on or before 4 October 2021. The 12-month window is 4 October 2025 through 4 October 2026. State rows are the 50 states, DC, and Puerto Rico; other practice-location values are rolled into Other. Shares are rounded to one decimal. The September 2026 monthly file is the base. Weekly files through 4 October 2026 are applied.",
  "recipe": "Computed on the Dell from provyx_nppes.m131.lookup with tasks/m132/stats.sql and tasks/m132/stats_run.py. This file is the aggregate output. It does not contain individual NPI rows.",
  "overall": {
    "rows_total": 9839369,
    "active_total": 9481951,
    "active_type1": 7502485,
    "active_type2": 1979466,
    "active_never": 4385008,
    "active_stale_5y": 4894282,
    "deactivated_12mo": 37698,
    "reactivated_12mo": 2241,
    "deactivated_12mo_still": 36237
  },
  "active_never_pct": 46.2,
  "active_stale_5y_pct": 51.6,
  "specialties": [
    {
      "code": "106S00000X",
      "specialty": "Behavior Technician",
      "active": 598333,
      "never_updated": 526350,
      "never_updated_pct": 88.0,
      "stale_5y": 138174,
      "stale_5y_pct": 23.1
    },
    {
      "code": "1041C0700X",
      "specialty": "Clinical Social Worker",
      "active": 356153,
      "never_updated": 133334,
      "never_updated_pct": 37.4,
      "stale_5y": 175527,
      "stale_5y_pct": 49.3
    },
    {
      "code": "101YM0800X",
      "specialty": "Mental Health Counselor",
      "active": 330315,
      "never_updated": 190173,
      "never_updated_pct": 57.6,
      "stale_5y": 160076,
      "stale_5y_pct": 48.5
    },
    {
      "code": "183500000X",
      "specialty": "Pharmacist",
      "active": 298752,
      "never_updated": 214896,
      "never_updated_pct": 71.9,
      "stale_5y": 218690,
      "stale_5y_pct": 73.2
    },
    {
      "code": "225100000X",
      "specialty": "Physical Therapist",
      "active": 298562,
      "never_updated": 125779,
      "never_updated_pct": 42.1,
      "stale_5y": 177184,
      "stale_5y_pct": 59.3
    },
    {
      "code": "390200000X",
      "specialty": "Student in an Organized Health Care Education/Training Program",
      "active": 274397,
      "never_updated": 203475,
      "never_updated_pct": 74.2,
      "stale_5y": 51850,
      "stale_5y_pct": 18.9
    },
    {
      "code": "363LF0000X",
      "specialty": "Family Nurse Practitioner",
      "active": 249795,
      "never_updated": 65181,
      "never_updated_pct": 26.1,
      "stale_5y": 93861,
      "stale_5y_pct": 37.6
    },
    {
      "code": "235Z00000X",
      "specialty": "Speech-Language Pathologist",
      "active": 219429,
      "never_updated": 130331,
      "never_updated_pct": 59.4,
      "stale_5y": 129670,
      "stale_5y_pct": 59.1
    },
    {
      "code": "207Q00000X",
      "specialty": "Family Medicine Physician",
      "active": 210667,
      "never_updated": 24497,
      "never_updated_pct": 11.6,
      "stale_5y": 115814,
      "stale_5y_pct": 55.0
    },
    {
      "code": "207R00000X",
      "specialty": "Internal Medicine Physician",
      "active": 192855,
      "never_updated": 23347,
      "never_updated_pct": 12.1,
      "stale_5y": 105518,
      "stale_5y_pct": 54.7
    },
    {
      "code": "1223G0001X",
      "specialty": "General Practice Dentistry",
      "active": 181684,
      "never_updated": 54779,
      "never_updated_pct": 30.2,
      "stale_5y": 131472,
      "stale_5y_pct": 72.4
    },
    {
      "code": "363A00000X",
      "specialty": "Physician Assistant",
      "active": 168071,
      "never_updated": 28628,
      "never_updated_pct": 17.0,
      "stale_5y": 61315,
      "stale_5y_pct": 36.5
    },
    {
      "code": "171M00000X",
      "specialty": "Case Manager/Care Coordinator",
      "active": 165866,
      "never_updated": 121074,
      "never_updated_pct": 73.0,
      "stale_5y": 84819,
      "stale_5y_pct": 51.1
    },
    {
      "code": "101YP2500X",
      "specialty": "Professional Counselor",
      "active": 162816,
      "never_updated": 67514,
      "never_updated_pct": 41.5,
      "stale_5y": 76305,
      "stale_5y_pct": 46.9
    },
    {
      "code": "163W00000X",
      "specialty": "Registered Nurse",
      "active": 154377,
      "never_updated": 127548,
      "never_updated_pct": 82.6,
      "stale_5y": 83411,
      "stale_5y_pct": 54.0
    }
  ],
  "states": [
    {
      "state": "CA",
      "active": 1194449,
      "never_updated": 579665,
      "never_updated_pct": 48.5,
      "stale_5y": 575020,
      "stale_5y_pct": 48.1
    },
    {
      "state": "NY",
      "active": 660398,
      "never_updated": 330666,
      "never_updated_pct": 50.1,
      "stale_5y": 396894,
      "stale_5y_pct": 60.1
    },
    {
      "state": "FL",
      "active": 656778,
      "never_updated": 302244,
      "never_updated_pct": 46.0,
      "stale_5y": 323009,
      "stale_5y_pct": 49.2
    },
    {
      "state": "TX",
      "active": 611322,
      "never_updated": 268327,
      "never_updated_pct": 43.9,
      "stale_5y": 311067,
      "stale_5y_pct": 50.9
    },
    {
      "state": "OH",
      "active": 409500,
      "never_updated": 208444,
      "never_updated_pct": 50.9,
      "stale_5y": 196809,
      "stale_5y_pct": 48.1
    },
    {
      "state": "MI",
      "active": 360101,
      "never_updated": 189965,
      "never_updated_pct": 52.8,
      "stale_5y": 173833,
      "stale_5y_pct": 48.3
    },
    {
      "state": "PA",
      "active": 337368,
      "never_updated": 140030,
      "never_updated_pct": 41.5,
      "stale_5y": 191797,
      "stale_5y_pct": 56.9
    },
    {
      "state": "IL",
      "active": 320732,
      "never_updated": 135758,
      "never_updated_pct": 42.3,
      "stale_5y": 170923,
      "stale_5y_pct": 53.3
    },
    {
      "state": "NC",
      "active": 278767,
      "never_updated": 107497,
      "never_updated_pct": 38.6,
      "stale_5y": 139063,
      "stale_5y_pct": 49.9
    },
    {
      "state": "MA",
      "active": 259863,
      "never_updated": 122718,
      "never_updated_pct": 47.2,
      "stale_5y": 149074,
      "stale_5y_pct": 57.4
    },
    {
      "state": "WA",
      "active": 244660,
      "never_updated": 110152,
      "never_updated_pct": 45.0,
      "stale_5y": 135101,
      "stale_5y_pct": 55.2
    },
    {
      "state": "NJ",
      "active": 235301,
      "never_updated": 106223,
      "never_updated_pct": 45.1,
      "stale_5y": 132859,
      "stale_5y_pct": 56.5
    },
    {
      "state": "GA",
      "active": 231982,
      "never_updated": 103963,
      "never_updated_pct": 44.8,
      "stale_5y": 120127,
      "stale_5y_pct": 51.8
    },
    {
      "state": "MD",
      "active": 217542,
      "never_updated": 109376,
      "never_updated_pct": 50.3,
      "stale_5y": 99816,
      "stale_5y_pct": 45.9
    },
    {
      "state": "VA",
      "active": 202209,
      "never_updated": 85197,
      "never_updated_pct": 42.1,
      "stale_5y": 100925,
      "stale_5y_pct": 49.9
    },
    {
      "state": "CO",
      "active": 198641,
      "never_updated": 88657,
      "never_updated_pct": 44.6,
      "stale_5y": 99598,
      "stale_5y_pct": 50.1
    },
    {
      "state": "AZ",
      "active": 177513,
      "never_updated": 75607,
      "never_updated_pct": 42.6,
      "stale_5y": 91269,
      "stale_5y_pct": 51.4
    },
    {
      "state": "MN",
      "active": 169582,
      "never_updated": 72872,
      "never_updated_pct": 43.0,
      "stale_5y": 82309,
      "stale_5y_pct": 48.5
    },
    {
      "state": "TN",
      "active": 161287,
      "never_updated": 66837,
      "never_updated_pct": 41.4,
      "stale_5y": 83547,
      "stale_5y_pct": 51.8
    },
    {
      "state": "IN",
      "active": 156661,
      "never_updated": 69223,
      "never_updated_pct": 44.2,
      "stale_5y": 73016,
      "stale_5y_pct": 46.6
    },
    {
      "state": "OR",
      "active": 151047,
      "never_updated": 69294,
      "never_updated_pct": 45.9,
      "stale_5y": 82514,
      "stale_5y_pct": 54.6
    },
    {
      "state": "MO",
      "active": 149309,
      "never_updated": 60017,
      "never_updated_pct": 40.2,
      "stale_5y": 78436,
      "stale_5y_pct": 52.5
    },
    {
      "state": "WI",
      "active": 145608,
      "never_updated": 55734,
      "never_updated_pct": 38.3,
      "stale_5y": 76413,
      "stale_5y_pct": 52.5
    },
    {
      "state": "LA",
      "active": 126327,
      "never_updated": 57285,
      "never_updated_pct": 45.3,
      "stale_5y": 70804,
      "stale_5y_pct": 56.0
    },
    {
      "state": "NV",
      "active": 124080,
      "never_updated": 80432,
      "never_updated_pct": 64.8,
      "stale_5y": 60336,
      "stale_5y_pct": 48.6
    },
    {
      "state": "OK",
      "active": 117854,
      "never_updated": 58650,
      "never_updated_pct": 49.8,
      "stale_5y": 64234,
      "stale_5y_pct": 54.5
    },
    {
      "state": "SC",
      "active": 117218,
      "never_updated": 47690,
      "never_updated_pct": 40.7,
      "stale_5y": 61799,
      "stale_5y_pct": 52.7
    },
    {
      "state": "KY",
      "active": 113884,
      "never_updated": 45599,
      "never_updated_pct": 40.0,
      "stale_5y": 60606,
      "stale_5y_pct": 53.2
    },
    {
      "state": "CT",
      "active": 106083,
      "never_updated": 42908,
      "never_updated_pct": 40.4,
      "stale_5y": 59321,
      "stale_5y_pct": 55.9
    },
    {
      "state": "UT",
      "active": 96341,
      "never_updated": 51443,
      "never_updated_pct": 53.4,
      "stale_5y": 46171,
      "stale_5y_pct": 47.9
    },
    {
      "state": "AL",
      "active": 95397,
      "never_updated": 40387,
      "never_updated_pct": 42.3,
      "stale_5y": 49230,
      "stale_5y_pct": 51.6
    },
    {
      "state": "NE",
      "active": 93597,
      "never_updated": 60934,
      "never_updated_pct": 65.1,
      "stale_5y": 28631,
      "stale_5y_pct": 30.6
    },
    {
      "state": "WV",
      "active": 92278,
      "never_updated": 62944,
      "never_updated_pct": 68.2,
      "stale_5y": 37268,
      "stale_5y_pct": 40.4
    },
    {
      "state": "AR",
      "active": 86927,
      "never_updated": 41036,
      "never_updated_pct": 47.2,
      "stale_5y": 49052,
      "stale_5y_pct": 56.4
    },
    {
      "state": "KS",
      "active": 73145,
      "never_updated": 29921,
      "never_updated_pct": 40.9,
      "stale_5y": 38516,
      "stale_5y_pct": 52.7
    },
    {
      "state": "NM",
      "active": 70083,
      "never_updated": 32780,
      "never_updated_pct": 46.8,
      "stale_5y": 37622,
      "stale_5y_pct": 53.7
    },
    {
      "state": "IA",
      "active": 66350,
      "never_updated": 25361,
      "never_updated_pct": 38.2,
      "stale_5y": 34921,
      "stale_5y_pct": 52.6
    },
    {
      "state": "PR",
      "active": 58275,
      "never_updated": 23322,
      "never_updated_pct": 40.0,
      "stale_5y": 34342,
      "stale_5y_pct": 58.9
    },
    {
      "state": "MS",
      "active": 58259,
      "never_updated": 25673,
      "never_updated_pct": 44.1,
      "stale_5y": 33324,
      "stale_5y_pct": 57.2
    },
    {
      "state": "DC",
      "active": 53031,
      "never_updated": 30504,
      "never_updated_pct": 57.5,
      "stale_5y": 27385,
      "stale_5y_pct": 51.6
    },
    {
      "state": "ID",
      "active": 46518,
      "never_updated": 19624,
      "never_updated_pct": 42.2,
      "stale_5y": 23014,
      "stale_5y_pct": 49.5
    },
    {
      "state": "ME",
      "active": 43470,
      "never_updated": 16518,
      "never_updated_pct": 38.0,
      "stale_5y": 25597,
      "stale_5y_pct": 58.9
    },
    {
      "state": "HI",
      "active": 41166,
      "never_updated": 19700,
      "never_updated_pct": 47.9,
      "stale_5y": 22573,
      "stale_5y_pct": 54.8
    },
    {
      "state": "NH",
      "active": 40911,
      "never_updated": 15371,
      "never_updated_pct": 37.6,
      "stale_5y": 23286,
      "stale_5y_pct": 56.9
    },
    {
      "state": "AK",
      "active": 36170,
      "never_updated": 19934,
      "never_updated_pct": 55.1,
      "stale_5y": 20741,
      "stale_5y_pct": 57.3
    },
    {
      "state": "RI",
      "active": 32367,
      "never_updated": 11426,
      "never_updated_pct": 35.3,
      "stale_5y": 16718,
      "stale_5y_pct": 51.7
    },
    {
      "state": "MT",
      "active": 30137,
      "never_updated": 10876,
      "never_updated_pct": 36.1,
      "stale_5y": 15703,
      "stale_5y_pct": 52.1
    },
    {
      "state": "DE",
      "active": 28074,
      "never_updated": 11900,
      "never_updated_pct": 42.4,
      "stale_5y": 15506,
      "stale_5y_pct": 55.2
    },
    {
      "state": "ND",
      "active": 27826,
      "never_updated": 12716,
      "never_updated_pct": 45.7,
      "stale_5y": 13190,
      "stale_5y_pct": 47.4
    },
    {
      "state": "SD",
      "active": 23300,
      "never_updated": 9444,
      "never_updated_pct": 40.5,
      "stale_5y": 12887,
      "stale_5y_pct": 55.3
    },
    {
      "state": "VT",
      "active": 19271,
      "never_updated": 7537,
      "never_updated_pct": 39.1,
      "stale_5y": 10435,
      "stale_5y_pct": 54.1
    },
    {
      "state": "WY",
      "active": 18640,
      "never_updated": 8694,
      "never_updated_pct": 46.6,
      "stale_5y": 10928,
      "stale_5y_pct": 58.6
    },
    {
      "state": "Other",
      "active": 14352,
      "never_updated": 5933,
      "never_updated_pct": 41.3,
      "stale_5y": 6723,
      "stale_5y_pct": 46.8
    }
  ]
}