Endocrinology, Diabetes & Metabolism Physician providers in the U.S.
10,393 NPPES records list endocrinology, diabetes & metabolism physician as their primary taxonomy, about 3.1 per 100,000 residents; District of Columbia and Massachusetts have the most per resident. 8,223 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 207RE0101X means
207RE0101X is the National Uniform Claim Committee code for Internal Medicine, Endocrinology, Diabetes & Metabolism, in the grouping Allopathic & Osteopathic Physicians. 10,393 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
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 207RE0101X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
New York has the most, 292
Source: CMS NPPES, primary taxonomy 207RE0101X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 92 | 1.8 |
| Alaska | 10 | 1.4 |
| Arizona | 175 | 2.4 |
| Arkansas | 58 | 1.9 |
| California | 1,131 | 2.9 |
| Colorado | 149 | 2.5 |
| Connecticut | 214 | 5.9 |
| Delaware | 31 | 3.0 |
| District of Columbia | 61 | 9.0 |
| Florida | 656 | 2.9 |
| Georgia | 245 | 2.2 |
| Hawaii | 24 | 1.7 |
| Idaho | 22 | 1.1 |
| Illinois | 436 | 3.5 |
| Indiana | 180 | 2.6 |
| Iowa | 52 | 1.6 |
| Kansas | 64 | 2.2 |
| Kentucky | 107 | 2.4 |
| Louisiana | 106 | 2.3 |
| Maine | 28 | 2.0 |
| Maryland | 314 | 5.1 |
| Massachusetts | 522 | 7.5 |
| Michigan | 270 | 2.7 |
| Minnesota | 203 | 3.5 |
| Mississippi | 55 | 1.9 |
| Missouri | 206 | 3.3 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 23 | 2.0 |
| Nebraska | 44 | 2.2 |
| Nevada | 77 | 2.4 |
| New Hampshire | 65 | 4.6 |
| New Jersey | 417 | 4.5 |
| New Mexico | 42 | 2.0 |
| New York | 970 | 5.0 |
| North Carolina | 289 | 2.7 |
| North Dakota | 20 | 2.6 |
| Ohio | 352 | 3.0 |
| Oklahoma | 73 | 1.8 |
| Oregon | 104 | 2.5 |
| Pennsylvania | 485 | 3.7 |
| Rhode Island | 38 | 3.5 |
| South Carolina | 109 | 2.0 |
| South Dakota | 25 | 2.7 |
| Tennessee | 148 | 2.1 |
| Texas | 743 | 2.4 |
| Utah | 51 | 1.5 |
| Vermont | 19 | 2.9 |
| Virginia | 264 | 3.1 |
| Washington | 224 | 2.9 |
| West Virginia | 63 | 3.6 |
| Wisconsin | 187 | 3.2 |
| Wyoming | 3 | 0.5 |
In federal data
- NUCC code207RE0101X · Internal Medicine
- Size rank96th of 688 specialties by records (0.14% of all)
- In its family8th of 31 Internal Medicine codes, 3.4% of the family
- Part D prescribers8,223 (79.1% of records)
- Part D claims2,630 a year per prescriber, on average (22nd of 496)
- Industry payments5,661 physicians paid $32.5M in 2024, $6K each on average
- Concentration8 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 endocrinology, diabetes & metabolism physician records
- Janice Koval, MDAnchorage, AK1184606014
- Konrad Kaltenborn, MDAnchorage, AK1972589299
- Jeanne Bonar, MDAnchorage, AK1710943196
- Jerry Tanner, D.O.Anchorage, AK1962580480
- Jeffrey Medland, DOAnchorage, AK1780733105
- Patrick Nolan, DOAnchorage, AK1073799243
- Laily Mahoozi, M.D.Cordova, AK1700868940
- Samuel Abbate, MDWasilla, AK1316953409
- Danielle Weiss, M,D,Wasilla, AK1275731515
- Muhammad Ahmed, MDFairbanks, AK1457316051
- Maria Prelipcean, M.D.Birmingham, AL1457326779
- Jennifer Elizabeth Sohn, MDBirmingham, AL1467665646
- William Moore, MDBirmingham, AL1457794570
- Omosefe Ogbeifun, MDBirmingham, AL1770213076
- Ralph Teague, M.D.Birmingham, AL1225099385
- Edison Goncalves, MDBirmingham, AL1457309593
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Endocrinology, Diabetes & Metabolism Physician headcount concentrate?
10,393 Endocrinology, Diabetes & Metabolism Physician NPIs span 54 states; California alone holds 1,131. Top metros include New York, NY; Boston, MA; Chicago, IL; Houston, TX. Nationally this is 96th of 688 NUCC codes.
How large is Endocrinology, Diabetes & Metabolism Physician's Open Payments footprint?
CMS Open Payments 2024 lists 5,661 Endocrinology, Diabetes & Metabolism Physician physicians totaling $32.5M (214,024 payments; average $6K, 75th of 470). Presence in Open Payments is not a quality judgment.
How heavy is Endocrinology, Diabetes & Metabolism Physician Part D prescribing at scale?
Among Endocrinology, Diabetes & Metabolism Physician NPIs, 8,223 appear in the Medicare Part D Prescriber PUF (average 2,630 claims and $1.1M drug cost per prescriber; 22nd 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.