Internal Medicine Rheumatology Taxonomy Code 207RR0500X

207RR0500X Level III - Area of Specialization
13,097Registered providers
11Medicare specialty
26.0NUCC version
53States & territories
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.

Code Details for 207RR0500X

ClassificationInternal Medicine
SpecializationRheumatology
Code levelLevel III - Area of Specialization
Last updatedJuly 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]

Additional Resources: American Board of Internal Medicine, 2007. http://www.abim.org/. American Osteopathic Board of Internal Medicine, 2007. http://www.osteopathic.org/certification

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 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

13,097Total providers
3,390Organizations 26%
9,707Individuals 74%
4,691Female
5,015Male
1Undisclosed

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-05T00:00:00.

View all 13,097 providers

Internal Medicine Rheumatology Providers by State

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

Frequently Asked Questions

NPPES 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.