261Q00000X
Clinic/Center Oncology, Radiation Taxonomy Code 261QX0203X
261QX0203X
Level III - Area of Specialization
440Registered providers
25.1NUCC version
49States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 261QX0203X
About Taxonomy Code 261QX0203X
The taxonomy code 261QX0203X identifies Clinic/Center Oncology, Radiation within the Ambulatory Health Care Facilities 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 440 registered providers whose primary or secondary taxonomy is this code. Of these, 425 (97%) are registered as organizations and 15 (3%) as individual providers. The states with the most clinic/center oncology, radiation providers are Texas (56), California (47), Florida (32).
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
440Total providers
425Organizations 97%
15Individuals 3%
2Female
13Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 440 providersClinic/Center Oncology, Radiation Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
440
Alabama6Alaska4Arizona9Arkansas5California47Colorado15Connecticut5Florida32Georgia22Guam1Hawaii3Idaho3Illinois15Indiana9Iowa2Kansas5Kentucky4Louisiana4Maine1Maryland10Massachusetts12Michigan8Minnesota10Mississippi2Missouri7Montana5Nebraska2Nevada5New Hampshire4New Jersey6New Mexico1New York16North Carolina9North Dakota1Ohio11Oklahoma7Oregon9Pennsylvania7Puerto Rico12Rhode Island2South Carolina6South Dakota1Tennessee15Texas56Virgin Islands2Virginia4Washington8West Virginia3Wisconsin7
Frequently Asked Questions
261QX0203X questionsNPPES lists 440 registered providers with this taxonomy code (Clinic/Center Oncology, Radiation).
Both. About 97% of these providers are registered as organizations and 3% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
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 Clinic/Center classification (parent code 261Q00000X).
Use the "Providers by state" directory on this page to open the list of clinic/center oncology, radiation 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.
