NUCC taxonomy code

207RG0300X - Geriatric Medicine (Internal Medicine) Physician

207RG0300X is the NUCC provider taxonomy code for Geriatric Medicine (Internal Medicine) Physician, a specialization within Internal Medicine (individual providers). 6,380 providers in our latest NPPES snapshot list it as their primary taxonomy.

6,380 providers · primary taxonomy

Code breakdown

Taxonomy code 207RG0300X

Display name Geriatric Medicine (Internal Medicine) Physician

Grouping Allopathic & Osteopathic Physicians

Classification Internal Medicine

Specialization Geriatric Medicine

Section Individual

Directory Internal Medicine provider directory

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.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

207R00000X Internal Medicine Physician 207RA0401X Addiction Medicine (Internal Medicine) Physician (Internal Medicine) 207RA0000X Adolescent Medicine (Internal Medicine) Physician (Internal Medicine) 207RA0002X Adult Congenital Heart Disease Physician (Internal Medicine) 207RA0001X Advanced Heart Failure and Transplant Cardiology Physician (Internal Medicine) 207RA0201X Allergy & Immunology (Internal Medicine) Physician (Internal Medicine) 207RC0000X Cardiovascular Disease Physician (Internal Medicine) 207RI0001X Clinical & Laboratory Immunology (Internal Medicine) Physician (Internal Medicine)

Frequently asked questions

What does taxonomy code 207RG0300X mean?

207RG0300X is the NUCC Health Care Provider Taxonomy code for Geriatric Medicine (Internal Medicine) Physician, a specialization of Internal Medicine in the "Allopathic & Osteopathic Physicians" grouping. It classifies individual providers.

Where is the taxonomy code used?

Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.

How do I find providers with taxonomy 207RG0300X?

Browse the Internal Medicine directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-13.