207R00000X
Internal Medicine Clinical & Laboratory Immunology Taxonomy Code 207RI0001X
207RI0001X
Level III - Area of Specialization
127Registered providers
11Medicare specialty
25.1NUCC version
30States & territories
Definition
An internal medicine physician who specializes in clinical and laboratory immunology disease management.
Code Details for 207RI0001X
About Taxonomy Code 207RI0001X
The taxonomy code 207RI0001X identifies Internal Medicine Clinical & Laboratory Immunology 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 127 registered providers whose primary or secondary taxonomy is this code. Of these, 69 (54%) are registered as organizations and 58 (46%) as individual providers. The states with the most internal medicine clinical & laboratory immunology providers are California (15), Florida (15), Texas (11). 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
127Total providers
69Organizations 54%
58Individuals 46%
17Female
41Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 127 providersInternal Medicine Clinical & Laboratory Immunology Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
127
Arizona1California15Colorado5District Of Columbia2Florida15Georgia6Illinois5Iowa1Maryland4Massachusetts3Michigan4Missouri1Nevada1New Hampshire2New Jersey4New York8North Carolina1Ohio5Oklahoma3Oregon2Pennsylvania5Puerto Rico1South Carolina1Tennessee6Texas11Utah1Vermont1Virginia2Washington3West Virginia2
Frequently Asked Questions
207RI0001X questionsNPPES lists 127 registered providers with this taxonomy code (Internal Medicine Clinical & Laboratory Immunology).
Both. About 54% of these providers are registered as organizations and 46% 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 clinical & laboratory immunology providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.
