Specialist providers in the U.S.
61,097 NPPES records list specialist as their primary taxonomy, about 18 per 100,000 residents; New York and New Hampshire have the most per resident. 8,233 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 174400000X means
174400000X is the National Uniform Claim Committee code for Specialist, in the grouping Other Service Providers. 61,097 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Brooklyn has the most, 5,700
Source: CMS NPPES, primary taxonomy 174400000X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 545 | 11 |
| Alaska | 126 | 17 |
| Arizona | 747 | 10 |
| Arkansas | 502 | 16 |
| California | 5,749 | 15 |
| Colorado | 1,105 | 19 |
| Connecticut | 397 | 11 |
| Delaware | 133 | 13 |
| District of Columbia | 151 | 22 |
| Florida | 2,685 | 12 |
| Georgia | 845 | 8 |
| Hawaii | 350 | 24 |
| Idaho | 177 | 9 |
| Illinois | 1,154 | 9 |
| Indiana | 408 | 6 |
| Iowa | 123 | 4 |
| Kansas | 230 | 8 |
| Kentucky | 382 | 8 |
| Louisiana | 550 | 12 |
| Maine | 248 | 18 |
| Maryland | 938 | 15 |
| Massachusetts | 1,096 | 16 |
| Michigan | 772 | 8 |
| Minnesota | 838 | 15 |
| Mississippi | 220 | 8 |
| Missouri | 443 | 7 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 127 | 11 |
| Nebraska | 184 | 9 |
| Nevada | 276 | 9 |
| New Hampshire | 1,010 | 72 |
| New Jersey | 1,636 | 18 |
| New Mexico | 397 | 19 |
| New York | 22,636 | 116 |
| North Carolina | 839 | 8 |
| North Dakota | 202 | 26 |
| Ohio | 1,312 | 11 |
| Oklahoma | 422 | 10 |
| Oregon | 1,085 | 26 |
| Pennsylvania | 2,031 | 16 |
| Rhode Island | 198 | 18 |
| South Carolina | 354 | 7 |
| South Dakota | 39 | 4 |
| Tennessee | 672 | 9 |
| Texas | 1,716 | 6 |
| Utah | 392 | 12 |
| Vermont | 56 | 9 |
| Virginia | 798 | 9 |
| Washington | 2,609 | 33 |
| West Virginia | 272 | 15 |
| Wisconsin | 272 | 5 |
| Wyoming | 55 | 9 |
In federal data
- NUCC code174400000X
- Size rank35th of 688 specialties by records (0.83% of all)
- Part D prescribers8,233 (13.5% of records)
- Part D claims1,380 a year per prescriber, on average (51st of 496)
- Industry payments5,844 physicians paid $27.8M in 2024, $5K each on average
- Concentration3 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of specialist records
- Alison Kennen, MSAnchorage, AK1487739462
- Gordon Wallis, LMT.Anchorage, AK1548711005
- Michael McLeodAnchorage, AK1780447938
- Tena Hart, LMPAnchorage, AK1851593842
- Jessica Post, LMTAnchorage, AK1295957934
- Jennie Del Rosario, LMTAnchorage, AK1760682421
- Melinda Johnson, CHA/PAnchorage, AK1922290378
- Shelby Wilson, P.T.Anchorage, AK1467726455
- Nicholette EleyAnchorage, AK1346599255
- Rebecca Wilson, M.ED.ECSEAnchorage, AK1528756921
- Sara Phillips, LMP,CMTAnchorage, AK1356493480
- Jan Russell, MHSAnchorage, AK1255466645
- Angela Cupples, MHSAnchorage, AK1306968433
- Kirk Wilson, N.C.M.T.B.Anchorage, AK1407165988
- Brenda Beck, CAMTAnchorage, AK1962853580
- Anne HonerAnchorage, AK1770035883
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Specialist headcount concentrate?
61,097 Specialist NPIs span 55 states; New York alone holds 22,636. Top metros include Brooklyn, NY; New York, NY; Bronx, NY; Pittsburgh, PA. Nationally this is 35th of 688 NUCC codes.
How large is Specialist's Open Payments footprint?
CMS Open Payments 2024 lists 5,844 Specialist physicians totaling $27.8M (135,832 payments; average $5K, 90th of 470). Presence in Open Payments is not a quality judgment.
How heavy is Specialist Part D prescribing at scale?
Among Specialist NPIs, 8,233 appear in the Medicare Part D Prescriber PUF (average 1,380 claims and $314K drug cost per prescriber; 51st of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.