{
  "name": "When organization NPI counts overstate address counts",
  "description": "Compare 27,965 organization NPI records with primary practice addresses across 13 legal names. Download the computed dataset and review the matching limits.",
  "source_snapshot": "September 2026 NPPES extracts retained in the existing 13 organization profiles; no new national extraction.",
  "analysis_date": "2026-10-29",
  "age_anchor": "2026-10-01",
  "grain": "legal organization",
  "rows": [
    {
      "organization": "COSTCO WHOLESALE CORPORATION",
      "npi_records": 1917,
      "primary_addresses": 727,
      "excess_npis": 1190,
      "excess_pct": 62.08,
      "collision_addresses": 624,
      "records_at_collision_addresses": 1814
    },
    {
      "organization": "CVS PHARMACY INC",
      "npi_records": 1234,
      "primary_addresses": 1232,
      "excess_npis": 2,
      "excess_pct": 0.16,
      "collision_addresses": 1,
      "records_at_collision_addresses": 3
    },
    {
      "organization": "GENOA HEALTHCARE LLC",
      "npi_records": 831,
      "primary_addresses": 826,
      "excess_npis": 5,
      "excess_pct": 0.6,
      "collision_addresses": 5,
      "records_at_collision_addresses": 10
    },
    {
      "organization": "LUXOTTICA OF AMERICA INC",
      "npi_records": 1855,
      "primary_addresses": 1836,
      "excess_npis": 19,
      "excess_pct": 1.02,
      "collision_addresses": 14,
      "records_at_collision_addresses": 33
    },
    {
      "organization": "NATIONAL VISION INC",
      "npi_records": 1283,
      "primary_addresses": 1261,
      "excess_npis": 22,
      "excess_pct": 1.71,
      "collision_addresses": 20,
      "records_at_collision_addresses": 42
    },
    {
      "organization": "NEW YORK CITY HEALTH AND HOSPITALS CORPORATION",
      "npi_records": 61,
      "primary_addresses": 36,
      "excess_npis": 25,
      "excess_pct": 40.98,
      "collision_addresses": 15,
      "records_at_collision_addresses": 40
    },
    {
      "organization": "NOVANT HEALTH MEDICAL GROUP, LLC",
      "npi_records": 546,
      "primary_addresses": 389,
      "excess_npis": 157,
      "excess_pct": 28.75,
      "collision_addresses": 85,
      "records_at_collision_addresses": 242
    },
    {
      "organization": "PUBLIX SUPER MARKETS INC",
      "npi_records": 1167,
      "primary_addresses": 1161,
      "excess_npis": 6,
      "excess_pct": 0.51,
      "collision_addresses": 5,
      "records_at_collision_addresses": 11
    },
    {
      "organization": "TOTAL RENAL CARE INC",
      "npi_records": 967,
      "primary_addresses": 955,
      "excess_npis": 12,
      "excess_pct": 1.24,
      "collision_addresses": 12,
      "records_at_collision_addresses": 24
    },
    {
      "organization": "WALGREEN CO",
      "npi_records": 11140,
      "primary_addresses": 10381,
      "excess_npis": 759,
      "excess_pct": 6.81,
      "collision_addresses": 738,
      "records_at_collision_addresses": 1497
    },
    {
      "organization": "WALMART INC.",
      "npi_records": 1390,
      "primary_addresses": 1294,
      "excess_npis": 96,
      "excess_pct": 6.91,
      "collision_addresses": 95,
      "records_at_collision_addresses": 191
    },
    {
      "organization": "WAL-MART STORES EAST LP",
      "npi_records": 4751,
      "primary_addresses": 3217,
      "excess_npis": 1534,
      "excess_pct": 32.29,
      "collision_addresses": 1523,
      "records_at_collision_addresses": 3057
    },
    {
      "organization": "WAL-MART STORES, INC",
      "npi_records": 823,
      "primary_addresses": 819,
      "excess_npis": 4,
      "excess_pct": 0.49,
      "collision_addresses": 4,
      "records_at_collision_addresses": 8
    }
  ],
  "columns": [
    "organization",
    "npi_records",
    "primary_addresses",
    "excess_npis",
    "excess_pct",
    "collision_addresses",
    "records_at_collision_addresses"
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/"
}