Geriatric Medicine (Internal Medicine) Physician providers in the U.S.
4,620 NPPES records list geriatric medicine (internal medicine) physician as their primary taxonomy, about 1.4 per 100,000 residents; Hawaii and Massachusetts have the most per resident. 3,116 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 207RG0300X means
207RG0300X is the National Uniform Claim Committee code for Internal Medicine, Geriatric Medicine, in the grouping Allopathic & Osteopathic Physicians. 4,620 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
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 207RG0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
New York has the most, 128
Source: CMS NPPES, primary taxonomy 207RG0300X by practice city, file of Aug 9, 2026.
All 51 by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 42 | 0.8 |
| Alaska | 5 | 0.7 |
| Arizona | 65 | 0.9 |
| Arkansas | 40 | 1.3 |
| California | 532 | 1.4 |
| Colorado | 103 | 1.8 |
| Connecticut | 104 | 2.9 |
| Delaware | 8 | 0.8 |
| District of Columbia | 22 | 3.2 |
| Florida | 287 | 1.3 |
| Georgia | 71 | 0.6 |
| Hawaii | 50 | 3.5 |
| Idaho | 9 | 0.5 |
| Illinois | 179 | 1.4 |
| Indiana | 61 | 0.9 |
| Iowa | 10 | 0.3 |
| Kansas | 27 | 0.9 |
| Kentucky | 23 | 0.5 |
| Louisiana | 34 | 0.7 |
| Maine | 27 | 1.9 |
| Maryland | 139 | 2.2 |
| Massachusetts | 225 | 3.2 |
| Michigan | 184 | 1.8 |
| Minnesota | 76 | 1.3 |
| Mississippi | 18 | 0.6 |
| Missouri | 75 | 1.2 |
| State | Records | Per 100,000 |
|---|---|---|
| Montana | 9 | 0.8 |
| Nebraska | 23 | 1.2 |
| Nevada | 34 | 1.1 |
| New Hampshire | 28 | 2.0 |
| New Jersey | 165 | 1.8 |
| New Mexico | 23 | 1.1 |
| New York | 508 | 2.6 |
| North Carolina | 157 | 1.4 |
| North Dakota | 3 | 0.4 |
| Ohio | 132 | 1.1 |
| Oklahoma | 27 | 0.7 |
| Oregon | 67 | 1.6 |
| Pennsylvania | 228 | 1.8 |
| Rhode Island | 33 | 3.0 |
| South Carolina | 38 | 0.7 |
| South Dakota | 8 | 0.9 |
| Tennessee | 54 | 0.8 |
| Texas | 256 | 0.8 |
| Utah | 30 | 0.9 |
| Vermont | 16 | 2.5 |
| Virginia | 112 | 1.3 |
| Washington | 97 | 1.2 |
| West Virginia | 19 | 1.1 |
| Wisconsin | 110 | 1.9 |
| Wyoming | 5 | 0.9 |
In federal data
- NUCC code207RG0300X · Internal Medicine
- Size rank136th of 688 specialties by records (0.06% of all)
- In its family13th of 31 Internal Medicine codes, 1.5% of the family
- Part D prescribers3,116 (67.4% of records)
- Part D claims4,246 a year per prescriber, on average (6th of 496)
- Industry payments1,004 physicians paid $1.7M in 2024, $2K 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 geriatric medicine (internal medicine) physician records
- Angene JohnsonAnchorage, AK1134581226
- Elizabeth Martinez-Augustin, D.O.Anchorage, AK1487772810
- Mark Agnew, M.D.Anchorage, AK1992898704
- Nahida Khan, MDAnchorage, AK1154585271
- Gregor Freystaetter, M.D.Anchorage, AK1871825422
- Carol Griffin, MDBirmingham, AL1073558813
- Christopher Bowling, MDBirmingham, AL1386866614
- Sandhya NarukondaBirmingham, AL1265838445
- Paul Roller, MDBirmingham, AL1992811483
- David Rader, MD P CMountain Brk, AL1033108436
- Ali Ahmed, MDBirmingham, AL1003856600
- Andrew Duxbury, MDBirmingham, AL1548203474
- Richard Allman, MDBirmingham, AL1104869338
- Cynthia Brown, MDBirmingham, AL1093759268
- Kathleen FixBirmingham, AL1295779478
- Clare Hays, MDBirmingham, AL1457388654
Registry order, not a ranking. Search by name to find one provider.
Common questions
Where does the large Geriatric Medicine (Internal Medicine) Physician headcount concentrate?
4,620 Geriatric Medicine (Internal Medicine) Physician NPIs span 53 states; California alone holds 532. Top metros include New York, NY; Boston, MA; Chicago, IL; Los Angeles, CA. Nationally this is 136th of 688 NUCC codes.
How large is Geriatric Medicine (Internal Medicine) Physician's Open Payments footprint?
CMS Open Payments 2024 lists 1,004 Geriatric Medicine (Internal Medicine) Physician physicians totaling $1.7M (13,173 payments; average $2K, 174th of 470). Presence in Open Payments is not a quality judgment.
How heavy is Geriatric Medicine (Internal Medicine) Physician Part D prescribing at scale?
Among Geriatric Medicine (Internal Medicine) Physician NPIs, 3,116 appear in the Medicare Part D Prescriber PUF (average 4,246 claims and $347K drug cost per prescriber; 6th 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.