{
  "_source_nppes": "U.S. Centers for Medicare & Medicaid Services NPI Registry (NPPES) — public API",
  "_source_population": "U.S. Census Bureau Population Estimates Program, 2024 Vintage (V2024)",
  "_specialty": "Chiropractor",
  "_specialty_slug": "chiropractor-supply-by-state-2026",
  "_release_date": "2026-05-06",
  "_taxonomies": [
    "111N00000X"
  ],
  "_underserved_threshold_per_100k": 15,
  "_underserved_definition": "States below the stated threshold of 15 chiropractors per 100,000 residents in the active NPPES dataset. Transparent baseline cutoff aligned with the lower bound of state-level chiropractor-density figures reported in the American Chiropractic Association (ACA) workforce summaries — most U.S. states report 15-50 chiropractors per 100,000 residents per the most recent ACA / Bureau of Labor Statistics OEWS-derived figures, with the bottom-decile states (typically MS, AL, NM, KY) reporting closer to 10-15. Stated explicitly here; not a regulatory or clinical definition.",
  "_summary": {
    "total_active_providers": 97017,
    "national_per_100k": 28.53,
    "jurisdictions": 51,
    "underserved_count": 3,
    "underserved_population": 9908515,
    "highest_density": {
      "code": "ND",
      "name": "North Dakota",
      "per_100k": 62.77,
      "count": 500
    },
    "lowest_density": {
      "code": "DC",
      "name": "District of Columbia",
      "per_100k": 10.25,
      "count": 72
    }
  },
  "rows": [
    {
      "code": "AK",
      "name": "Alaska",
      "count": 327,
      "pop": 740133,
      "per_100k": 44.18124850533621,
      "rank_density": 7,
      "rank_count": 44,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "AL",
      "name": "Alabama",
      "count": 906,
      "pop": 5157699,
      "per_100k": 17.565972733189742,
      "rank_density": 46,
      "rank_count": 30,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "AR",
      "name": "Arkansas",
      "count": 682,
      "pop": 3088354,
      "per_100k": 22.08296069686312,
      "rank_density": 37,
      "rank_count": 36,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "AZ",
      "name": "Arizona",
      "count": 2032,
      "pop": 7582384,
      "per_100k": 26.798959271912366,
      "rank_density": 28,
      "rank_count": 17,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "CA",
      "name": "California",
      "count": 11752,
      "pop": 39431263,
      "per_100k": 29.803762562715786,
      "rank_density": 22,
      "rank_count": 1,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "CO",
      "name": "Colorado",
      "count": 2399,
      "pop": 5957493,
      "per_100k": 40.268616345835405,
      "rank_density": 12,
      "rank_count": 15,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "CT",
      "name": "Connecticut",
      "count": 926,
      "pop": 3675069,
      "per_100k": 25.196805828679683,
      "rank_density": 30,
      "rank_count": 28,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "DC",
      "name": "District of Columbia",
      "count": 72,
      "pop": 702250,
      "per_100k": 10.252758988964045,
      "rank_density": 51,
      "rank_count": 51,
      "quartile": 4,
      "underserved": true
    },
    {
      "code": "DE",
      "name": "Delaware",
      "count": 242,
      "pop": 1051917,
      "per_100k": 23.00561736334711,
      "rank_density": 33,
      "rank_count": 47,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "FL",
      "name": "Florida",
      "count": 7038,
      "pop": 23372215,
      "per_100k": 30.112678665672036,
      "rank_density": 20,
      "rank_count": 3,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "GA",
      "name": "Georgia",
      "count": 3290,
      "pop": 11180878,
      "per_100k": 29.425238339958632,
      "rank_density": 23,
      "rank_count": 8,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "HI",
      "name": "Hawaii",
      "count": 392,
      "pop": 1446146,
      "per_100k": 27.10653004606727,
      "rank_density": 27,
      "rank_count": 42,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "IA",
      "name": "Iowa",
      "count": 2027,
      "pop": 3241488,
      "per_100k": 62.53300953142507,
      "rank_density": 2,
      "rank_count": 18,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "ID",
      "name": "Idaho",
      "count": 722,
      "pop": 2001619,
      "per_100k": 36.070800686844,
      "rank_density": 15,
      "rank_count": 34,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "IL",
      "name": "Illinois",
      "count": 4603,
      "pop": 12710158,
      "per_100k": 36.215128088887646,
      "rank_density": 14,
      "rank_count": 5,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "IN",
      "name": "Indiana",
      "count": 1416,
      "pop": 6924275,
      "per_100k": 20.44979438280542,
      "rank_density": 42,
      "rank_count": 25,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "KS",
      "name": "Kansas",
      "count": 1463,
      "pop": 2970606,
      "per_100k": 49.24921043046436,
      "rank_density": 5,
      "rank_count": 24,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "KY",
      "name": "Kentucky",
      "count": 1011,
      "pop": 4588372,
      "per_100k": 22.033958885635254,
      "rank_density": 38,
      "rank_count": 26,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "LA",
      "name": "Louisiana",
      "count": 766,
      "pop": 4597740,
      "per_100k": 16.66035921996459,
      "rank_density": 47,
      "rank_count": 33,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "MA",
      "name": "Massachusetts",
      "count": 1586,
      "pop": 7136171,
      "per_100k": 22.224803749798035,
      "rank_density": 36,
      "rank_count": 20,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "MD",
      "name": "Maryland",
      "count": 906,
      "pop": 6263220,
      "per_100k": 14.465402780039659,
      "rank_density": 49,
      "rank_count": 31,
      "quartile": 4,
      "underserved": true
    },
    {
      "code": "ME",
      "name": "Maine",
      "count": 421,
      "pop": 1405012,
      "per_100k": 29.96415688976322,
      "rank_density": 21,
      "rank_count": 41,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "MI",
      "name": "Michigan",
      "count": 3073,
      "pop": 10140459,
      "per_100k": 30.30434815623238,
      "rank_density": 19,
      "rank_count": 9,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "MN",
      "name": "Minnesota",
      "count": 3424,
      "pop": 5793151,
      "per_100k": 59.10427675715685,
      "rank_density": 3,
      "rank_count": 7,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "MO",
      "name": "Missouri",
      "count": 2553,
      "pop": 6245466,
      "per_100k": 40.87765428552489,
      "rank_density": 11,
      "rank_count": 14,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "MS",
      "name": "Mississippi",
      "count": 319,
      "pop": 2943045,
      "per_100k": 10.839113910932385,
      "rank_density": 50,
      "rank_count": 45,
      "quartile": 4,
      "underserved": true
    },
    {
      "code": "MT",
      "name": "Montana",
      "count": 485,
      "pop": 1137233,
      "per_100k": 42.64737305371899,
      "rank_density": 10,
      "rank_count": 39,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "NC",
      "name": "North Carolina",
      "count": 2254,
      "pop": 11046024,
      "per_100k": 20.405532343583538,
      "rank_density": 43,
      "rank_count": 16,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "ND",
      "name": "North Dakota",
      "count": 500,
      "pop": 796568,
      "per_100k": 62.76928021210995,
      "rank_density": 1,
      "rank_count": 38,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "NE",
      "name": "Nebraska",
      "count": 862,
      "pop": 2005465,
      "per_100k": 42.982550181628696,
      "rank_density": 8,
      "rank_count": 32,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "NH",
      "name": "New Hampshire",
      "count": 387,
      "pop": 1409032,
      "per_100k": 27.465664371000802,
      "rank_density": 26,
      "rank_count": 43,
      "quartile": 2,
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    },
    {
      "code": "NJ",
      "name": "New Jersey",
      "count": 2979,
      "pop": 9500851,
      "per_100k": 31.355085981245256,
      "rank_density": 17,
      "rank_count": 11,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "NM",
      "name": "New Mexico",
      "count": 424,
      "pop": 2130256,
      "per_100k": 19.90371110326646,
      "rank_density": 44,
      "rank_count": 40,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "NV",
      "name": "Nevada",
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      "pop": 3267467,
      "per_100k": 21.882393915531512,
      "rank_density": 39,
      "rank_count": 35,
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    },
    {
      "code": "NY",
      "name": "New York",
      "count": 4672,
      "pop": 19867248,
      "per_100k": 23.51609040164999,
      "rank_density": 32,
      "rank_count": 4,
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      "underserved": false
    },
    {
      "code": "OH",
      "name": "Ohio",
      "count": 2714,
      "pop": 11883304,
      "per_100k": 22.838766053616066,
      "rank_density": 34,
      "rank_count": 12,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "OK",
      "name": "Oklahoma",
      "count": 1000,
      "pop": 4095393,
      "per_100k": 24.417681038181197,
      "rank_density": 31,
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    },
    {
      "code": "OR",
      "name": "Oregon",
      "count": 1928,
      "pop": 4272371,
      "per_100k": 45.12716709293271,
      "rank_density": 6,
      "rank_count": 19,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "PA",
      "name": "Pennsylvania",
      "count": 3982,
      "pop": 13078751,
      "per_100k": 30.446332375316267,
      "rank_density": 18,
      "rank_count": 6,
      "quartile": 2,
      "underserved": false
    },
    {
      "code": "RI",
      "name": "Rhode Island",
      "count": 231,
      "pop": 1112308,
      "per_100k": 20.76762910992279,
      "rank_density": 41,
      "rank_count": 48,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "SC",
      "name": "South Carolina",
      "count": 1561,
      "pop": 5478831,
      "per_100k": 28.491479295492052,
      "rank_density": 25,
      "rank_count": 22,
      "quartile": 2,
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    },
    {
      "code": "SD",
      "name": "South Dakota",
      "count": 534,
      "pop": 924669,
      "per_100k": 57.75039500621303,
      "rank_density": 4,
      "rank_count": 37,
      "quartile": 1,
      "underserved": false
    },
    {
      "code": "TN",
      "name": "Tennessee",
      "count": 1538,
      "pop": 7227750,
      "per_100k": 21.279097921206464,
      "rank_density": 40,
      "rank_count": 23,
      "quartile": 4,
      "underserved": false
    },
    {
      "code": "TX",
      "name": "Texas",
      "count": 7128,
      "pop": 31290831,
      "per_100k": 22.779836048457774,
      "rank_density": 35,
      "rank_count": 2,
      "quartile": 3,
      "underserved": false
    },
    {
      "code": "UT",
      "name": "Utah",
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      "pop": 3503613,
      "per_100k": 26.11589807435924,
      "rank_density": 29,
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    },
    {
      "code": "VA",
      "name": "Virginia",
      "count": 1583,
      "pop": 8811195,
      "per_100k": 17.96578103197126,
      "rank_density": 45,
      "rank_count": 21,
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      "underserved": false
    },
    {
      "code": "VT",
      "name": "Vermont",
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      "pop": 648493,
      "per_100k": 32.691177853885854,
      "rank_density": 16,
      "rank_count": 49,
      "quartile": 2,
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    },
    {
      "code": "WA",
      "name": "Washington",
      "count": 3059,
      "pop": 7958180,
      "per_100k": 38.438436929046595,
      "rank_density": 13,
      "rank_count": 10,
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    },
    {
      "code": "WI",
      "name": "Wisconsin",
      "count": 2557,
      "pop": 5960975,
      "per_100k": 42.89566723564518,
      "rank_density": 9,
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      "quartile": 1,
      "underserved": false
    },
    {
      "code": "WV",
      "name": "West Virginia",
      "count": 278,
      "pop": 1769979,
      "per_100k": 15.706401036396477,
      "rank_density": 48,
      "rank_count": 46,
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    },
    {
      "code": "WY",
      "name": "Wyoming",
      "count": 171,
      "pop": 587618,
      "per_100k": 29.10053810468706,
      "rank_density": 24,
      "rank_count": 50,
      "quartile": 2,
      "underserved": false
    }
  ]
}