Physician Nutrition Specialist (Internal Medicine) providers in the U.S.
5 NPPES records list physician nutrition specialist (internal medicine) as their primary taxonomy; Illinois and Ohio have the most per resident. 5 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 207RP1002X means
207RP1002X is the National Uniform Claim Committee code for Internal Medicine, Physician Nutrition Specialist, in the grouping Allopathic & Osteopathic Physicians. 5 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
A physician who specializes in the diagnosis and treatment of primary nutritional diseases (e.g., undernutrition, overnutrition, and genetic or acquired errors of metabolism) and adjunctive nutritional therapeutics (e.g., nutritional therapy or support of diseases states with a metabolic component). Physician Nutrition Specialists also provide services for nutritional disease prevention, including diabetes, cancer, Alzheimer’s, hospital malnutrition screening, and perioperative nutrition.
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 3 highest
Source: CMS NPPES, primary taxonomy 207RP1002X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Chicago has the most, 2
Source: CMS NPPES, primary taxonomy 207RP1002X by practice city, file of Aug 9, 2026.
All 3 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Illinois | 2 | 0.0 |
| New Jersey | 1 | 0.0 |
| State | Records | Per 100,000 |
|---|---|---|
| Ohio | 2 | 0.0 |
In federal data
- NUCC code207RP1002X · Internal Medicine
- Size rank675th of 688 specialties by records (0% of all)
- In its family30th of 31 Internal Medicine codes, 0% of the family
- Part D prescribers5 (100% of records)
- Part D claims298 a year per prescriber, on average (230th of 496)
- Concentration2 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 physician nutrition specialist (internal medicine) records
- Allison Malick, MDChicago, IL1629609664
- Vinathi Polamraju, MDChicago, IL1275277550
- Nooruddin Hashmi, MDNew Brunswick, NJ1538802004
- Mark Zemanek, DOCleveland, OH1154065886
- Jessica SosioCleveland, OH1962085373
Registry order, not a ranking. Search by name to find one provider.
Common questions
Why is Physician Nutrition Specialist (Internal Medicine) a thin NUCC code in NPPES?
Only 5 NPIs list Physician Nutrition Specialist (Internal Medicine) as primary taxonomy across 3 states (peak Illinois, 2). That is 675th of 688 NUCC codes by headcount. Thin codes are still searchable by NPI; do not treat the low count as a quality signal.
Where can I still find a Physician Nutrition Specialist (Internal Medicine)?
Physician Nutrition Specialist (Internal Medicine) providers are listed in 3 states; Chicago leads by raw city count. By national headcount this code sits just above Biomedical Photographer and just below Obesity Medicine (Psychiatry & Neurology) Physician. Browse by state or search by name.
How much Part D prescribing does this specialty do?
Among Physician Nutrition Specialist (Internal Medicine) NPIs, 5 appear in the Medicare Part D Prescriber PUF (average 298 claims and $35K drug cost per prescriber; 230th 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.