207RR0500X — Rheumatology Physician
207RR0500X is the NUCC provider taxonomy code for Rheumatology Physician, a specialization within Internal Medicine (individual providers). 10,106 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 207RR0500X |
|---|---|
| Display name | Rheumatology Physician |
| Grouping | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Rheumatology |
| Section | Individual |
| Directory | Internal Medicine provider directory |
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.
Definition from the NUCC Health Care Provider Taxonomy code set.
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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 207RR0500X mean?
207RR0500X is the NUCC Health Care Provider Taxonomy code for Rheumatology 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 207RR0500X?
Browse the Internal Medicine directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.