207R00000X
Internal Medicine Medical Oncology Taxonomy Code 207RX0202X
207RX0202X
Level III - Area of Specialization
9,585Registered providers
11Medicare specialty
26.0NUCC version
53States & territories
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Code Details for 207RX0202X
About Taxonomy Code 207RX0202X
The taxonomy code 207RX0202X identifies Internal Medicine Medical Oncology 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 9,585 registered providers whose primary or secondary taxonomy is this code. Of these, 1,355 (14%) are registered as organizations and 8,230 (86%) as individual providers. The states with the most internal medicine medical oncology providers are Florida (905), Texas (855), New York (761). 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
9,585Total providers
1,355Organizations 14%
8,230Individuals 86%
3,025Female
5,205Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 9,585 providersInternal Medicine Medical Oncology Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
9,585
Alabama73Alaska5Arizona124Arkansas61California731Colorado178Connecticut152Delaware26District Of Columbia44Florida905Georgia150Guam8Hawaii19Idaho44Illinois259Indiana196Iowa88Kansas70Kentucky117Louisiana52Maine46Maryland323Massachusetts460Michigan289Minnesota222Mississippi38Missouri216Montana21Nebraska24Nevada44New Hampshire51New Jersey213New Mexico39New York761North Carolina389North Dakota20Ohio330Oklahoma34Oregon150Pennsylvania428Puerto Rico14Rhode Island12South Carolina62South Dakota7Tennessee183Texas855Utah69Vermont24Virginia179Washington257West Virginia26Wisconsin127Wyoming7
Frequently Asked Questions
207RX0202X questionsNPPES lists 9,585 registered providers with this taxonomy code (Internal Medicine Medical Oncology).
Both. About 14% of these providers are registered as organizations and 86% 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 medical oncology 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.
