207R00000X
Internal Medicine Infectious Disease Taxonomy Code 207RI0200X
207RI0200X
Level III - Area of Specialization
17,439Registered providers
11Medicare specialty
25.1NUCC version
54States & territories
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Code Details for 207RI0200X
About Taxonomy Code 207RI0200X
The taxonomy code 207RI0200X identifies Internal Medicine Infectious Disease 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 17,439 registered providers whose primary or secondary taxonomy is this code. Of these, 3,459 (20%) are registered as organizations and 13,980 (80%) as individual providers. The states with the most internal medicine infectious disease providers are California (1,637), Florida (1,399), New York (1,348). 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
17,439Total providers
3,459Organizations 20%
13,980Individuals 80%
5,997Female
7,981Male
2Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-28T00:00:00.
View all 17,439 providersInternal Medicine Infectious Disease Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
17,439
Alabama172Alaska20Arizona344Arkansas56California1,637Colorado283Connecticut299Delaware59District Of Columbia167Florida1,399Georgia546Guam2Hawaii75Idaho52Illinois670Indiana271Iowa118Kansas98Kentucky198Louisiana194Maine45Maryland725Massachusetts661Michigan460Minnesota290Mississippi79Missouri302Montana45Nebraska100Nevada149New Hampshire73New Jersey642New Mexico92New York1,348North Carolina477North Dakota32Ohio508Oklahoma123Oregon212Pennsylvania847Puerto Rico170Rhode Island99South Carolina199South Dakota39Tennessee282Texas1,174Utah91Vermont36Virgin Islands4Virginia389Washington356West Virginia72Wisconsin246Wyoming15
Frequently Asked Questions
207RI0200X questionsNPPES lists 17,439 registered providers with this taxonomy code (Internal Medicine Infectious Disease).
Both. About 20% of these providers are registered as organizations and 80% 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 infectious disease 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.
