Internal Medicine Geriatric Medicine Taxonomy Code 207RG0300X

207RG0300X Level III - Area of Specialization
10,143Registered providers
11Medicare specialty
25.1NUCC version
53States & territories
Definition

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.

Code Details for 207RG0300X

ClassificationInternal Medicine
SpecializationGeriatric Medicine
Code levelLevel III - Area of Specialization
Last updatedJanuary 01, 2026
Notes / sourceSource: American Board of Medical Specialties, 2007. www.abms.org [7/1/2007: added definition, added source; 7/1/2011: modified source]<br/><br/>Additional Resources: American Board of Internal Medicine, 2007. http://www.abim.org/. American Osteopathic Board of Internal Medicine, 2007. http://www.osteopathic.org/certification<br/><br/>Board certification for Medical Doctors (MDs) is provided by the American Board of Internal Medicine. Board certification for Doctors of Osteopathy (DOs) is provided by the American Osteopathic Board of Internal Medicine.

About Taxonomy Code 207RG0300X

The taxonomy code 207RG0300X identifies Internal Medicine Geriatric Medicine within the Allopathic & Osteopathic Physicians provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.

NPI records show 10,143 registered providers whose primary or secondary taxonomy is this code. Of these, 2,910 (29%) are registered as organizations and 7,233 (71%) as individual providers. The states with the most internal medicine geriatric medicine providers are California (1,062), New York (996), Florida (761). For Medicare enrollment, it crosswalks to specialty code 11 (Physician/Internal Medicine).

Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.

Provider Composition & Statistics

10,143Total providers
2,910Organizations 29%
7,233Individuals 71%
3,653Female
3,579Male
1Undisclosed

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.

View all 10,143 providers

Internal Medicine Geriatric Medicine Providers by State

Provider counts by U.S. state and territory. Select a state to open its provider directory.

Frequently Asked Questions

NPPES lists 10,143 registered providers with this taxonomy code (Internal Medicine Geriatric Medicine).

Both. About 29% of these providers are registered as organizations and 71% as individuals.

It crosswalks to Medicare specialty code 11 (Physician/Internal Medicine).

It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Internal Medicine classification (parent code 207R00000X).

Use the "Providers by state" directory on this page to open the list of internal medicine geriatric medicine providers registered in any U.S. state.

Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.