Internal Medicine Rheumatology Taxonomy Code 207RR0500X
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.
Code Details for 207RR0500X
About Taxonomy Code 207RR0500X
The taxonomy code 207RR0500X identifies Internal Medicine Rheumatology 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 13,097 registered providers whose primary or secondary taxonomy is this code. Of these, 3,390 (26%) are registered as organizations and 9,707 (74%) as individual providers. The states with the most internal medicine rheumatology providers are California (1,366), Texas (913), New York (905). 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
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-05T00:00:00.
View all 13,097 providersInternal Medicine Rheumatology Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
Frequently Asked Questions
207RR0500X questionsNPPES lists 13,097 registered providers with this taxonomy code (Internal Medicine Rheumatology).
Both. About 26% of these providers are registered as organizations and 74% 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 rheumatology providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.