How Many Doctors Are There in the US?
The figure below counts providers who list a physician credential — MD (Doctor of Medicine) or DO (Doctor of Osteopathic Medicine) — in the national NPI registry.
1,223,914
active doctors are registered in the U.S. National Provider Identifier registry.
Browse MD providers →How this is counted: Counts NPI records listing an MD or DO credential. This reflects registered identifiers, not an official active-workforce census, and excludes physicians who do not list these credential strings.
doctors by state
Active doctors in the NPI registry by practice state, June 2026.
| State | doctors |
|---|---|
| California | 137,426 |
| New York | 97,955 |
| Texas | 85,576 |
| Florida | 79,938 |
| Pennsylvania | 58,123 |
| Ohio | 46,985 |
| Illinois | 46,928 |
| Michigan | 42,015 |
| Massachusetts | 37,912 |
| North Carolina | 35,549 |
| New Jersey | 35,180 |
| Georgia | 31,210 |
| Virginia | 29,786 |
| Washington | 28,144 |
| Maryland | 25,945 |
| Missouri | 24,279 |
| Arizona | 23,462 |
| Minnesota | 23,168 |
| Tennessee | 22,661 |
| Wisconsin | 22,238 |
| Colorado | 22,049 |
| Indiana | 21,154 |
| Connecticut | 17,767 |
| South Carolina | 16,589 |
| Oregon | 16,305 |
| Louisiana | 15,299 |
| Kentucky | 14,110 |
| Alabama | 13,753 |
| Puerto Rico | 11,862 |
| Oklahoma | 11,518 |
| Iowa | 9,577 |
| Utah | 9,382 |
| Arkansas | 8,823 |
| Nevada | 8,769 |
| Kansas | 8,697 |
| Mississippi | 7,299 |
| District of Columbia | 6,989 |
| New Mexico | 6,702 |
| West Virginia | 6,552 |
| Nebraska | 6,325 |
| Maine | 6,216 |
| New Hampshire | 5,834 |
| Hawaii | 5,672 |
| Rhode Island | 5,376 |
| Idaho | 4,683 |
| Delaware | 3,884 |
| Montana | 3,619 |
| South Dakota | 2,786 |
| Vermont | 2,705 |
| North Dakota | 2,644 |
| Alaska | 2,516 |
| Wyoming | 1,472 |
| Guam | 258 |
| U.S. Virgin Islands | 154 |
| American Samoa | 47 |
| Northern Mariana Islands | 43 |
Frequently asked questions
It counts providers in NPPES who list an MD or DO credential. Not all hold an active license, and a small number of physicians record their credential differently, so treat it as a registry count rather than a workforce census.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Counts reflect NPI records and are not an official workforce census.