NPI numbers by state
Active NPIs by the state of the provider's practice location, from the September 2026 NPPES file.
| State or territory | All active NPIs | Individuals | Organizations |
|---|---|---|---|
| California | 1,185,300 | 988,008 | 197,292 |
| New York | 656,659 | 551,952 | 104,707 |
| Florida | 652,933 | 479,076 | 173,857 |
| Texas | 607,430 | 440,650 | 166,780 |
| Ohio | 407,377 | 341,142 | 66,235 |
| Michigan | 357,315 | 291,533 | 65,782 |
| Pennsylvania | 335,762 | 265,069 | 70,693 |
| Illinois | 318,429 | 244,344 | 74,085 |
| North Carolina | 277,211 | 203,852 | 73,359 |
| Massachusetts | 258,607 | 222,151 | 36,456 |
| Washington | 243,210 | 206,501 | 36,709 |
| New Jersey | 233,998 | 167,628 | 66,370 |
| Georgia | 230,569 | 171,166 | 59,403 |
| Maryland | 216,046 | 162,197 | 53,849 |
| Virginia | 200,977 | 151,955 | 49,022 |
| Colorado | 197,254 | 151,682 | 45,572 |
| Arizona | 176,316 | 129,445 | 46,871 |
| Minnesota | 168,649 | 136,267 | 32,382 |
| Tennessee | 160,438 | 127,826 | 32,612 |
| Indiana | 155,927 | 122,720 | 33,207 |
| Oregon | 150,178 | 127,427 | 22,751 |
| Missouri | 148,634 | 114,323 | 34,311 |
| Wisconsin | 144,809 | 118,534 | 26,275 |
| Louisiana | 125,725 | 93,271 | 32,454 |
| Nevada | 123,271 | 102,116 | 21,155 |
| Oklahoma | 117,286 | 93,731 | 23,555 |
| South Carolina | 116,555 | 88,071 | 28,484 |
| Kentucky | 113,386 | 88,703 | 24,683 |
| Connecticut | 105,470 | 85,134 | 20,336 |
| Utah | 95,787 | 79,438 | 16,349 |
| Alabama | 94,846 | 69,263 | 25,583 |
| Nebraska | 92,790 | 80,768 | 12,022 |
| West Virginia | 91,482 | 81,485 | 9,997 |
| Arkansas | 86,459 | 68,807 | 17,652 |
| Kansas | 72,674 | 56,078 | 16,596 |
| New Mexico | 69,613 | 57,321 | 12,292 |
| Iowa | 65,997 | 49,488 | 16,509 |
| Mississippi | 57,997 | 41,353 | 16,644 |
| Puerto Rico | 57,922 | 41,143 | 16,779 |
| District of Columbia | 52,753 | 47,343 | 5,410 |
| Idaho | 46,267 | 34,164 | 12,103 |
| Maine | 43,271 | 34,226 | 9,045 |
| Hawaii | 40,896 | 32,682 | 8,214 |
| New Hampshire | 40,719 | 33,487 | 7,232 |
| Alaska | 36,034 | 29,414 | 6,620 |
| Rhode Island | 32,157 | 26,042 | 6,115 |
| Montana | 29,988 | 22,399 | 7,589 |
| Delaware | 27,920 | 21,588 | 6,332 |
| North Dakota | 27,629 | 22,812 | 4,817 |
| South Dakota | 23,192 | 17,626 | 5,566 |
| Vermont | 19,171 | 15,543 | 3,628 |
| Wyoming | 18,458 | 13,915 | 4,543 |
| U.S. Virgin Islands | 1,247 | 737 | 510 |
| Guam | 1,181 | 897 | 284 |
| Northern Mariana Islands | 319 | 208 | 111 |
| American Samoa | 227 | 191 | 36 |