Rheumatology Physician: NPI taxonomy code 207RR0500X
Taxonomy code 207RR0500X is Internal Medicine: Rheumatology, in the Allopathic & Osteopathic Physicians group.
10,232 active NPIs list it as their primary specialty (0.1% of all).
| Code | 207RR0500X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Rheumatology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 10,232 (8,057 individuals, 2,175 organizations) |
What NUCC says: 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. (excerpt of the NUCC 26.1 definition)
Find Rheumatology Physician providers
Search the registry for providers listing Rheumatology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 1,150 | 11.2% |
| Texas | 766 | 7.5% |
| New York | 730 | 7.1% |
| Florida | 717 | 7.0% |
| Pennsylvania | 531 | 5.2% |
| Illinois | 392 | 3.8% |
| Massachusetts | 379 | 3.7% |
| Ohio | 343 | 3.4% |
| New Jersey | 333 | 3.3% |
| North Carolina | 310 | 3.0% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Internal Medicine Physician 191,739
- Cardiovascular Disease Physician 36,469
- Gastroenterology Physician 26,237
- Pulmonary Disease Physician 19,774
- Hematology & Oncology Physician 17,624
- Nephrology Physician 17,596
- Infectious Disease Physician 13,258
- Endocrinology, Diabetes & Metabolism Physician 13,019
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.