Radiology Radiation Oncology Taxonomy Code 2085R0001X
2085R0001X
Level III - Area of Specialization
12,007Registered providers
92Medicare specialty
26.0NUCC version
54States & territories
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Code Details for 2085R0001X
About Taxonomy Code 2085R0001X
The taxonomy code 2085R0001X identifies Radiology Radiation 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 12,007 registered providers whose primary or secondary taxonomy is this code. Of these, 2,613 (22%) are registered as organizations and 9,394 (78%) as individual providers. The states with the most radiology radiation oncology providers are California (1,150), Florida (980), Texas (743). For Medicare enrollment, it crosswalks to specialty code 92 (Physician/Radiation Oncology).
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
12,007Total providers
2,613Organizations 22%
9,394Individuals 78%
2,649Female
6,744Male
1Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 12,007 providersRadiology Radiation Oncology Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
12,007
Alabama170Alaska27Arizona263Arkansas105California1,150Colorado221Connecticut113Delaware46District Of Columbia36Florida980Georgia298Guam1Hawaii53Idaho43Illinois460Indiana256Iowa117Kansas144Kentucky171Louisiana130Maine39Maryland223Massachusetts300Michigan373Minnesota255Mississippi88Missouri221Montana46Nebraska71Nevada97New Hampshire70New Jersey351New Mexico54New York686North Carolina377North Dakota54Ohio540Oklahoma121Oregon161Pennsylvania669Puerto Rico37Rhode Island70South Carolina175South Dakota43Tennessee211Texas743Utah94Vermont22Virgin Islands2Virginia210Washington313West Virginia76Wisconsin220Wyoming16
Frequently Asked Questions
2085R0001X questionsNPPES lists 12,007 registered providers with this taxonomy code (Radiology Radiation Oncology).
Both. About 22% of these providers are registered as organizations and 78% as individuals.
It crosswalks to Medicare specialty code 92 (Physician/Radiation Oncology).
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 Radiology classification.
Use the "Providers by state" directory on this page to open the list of radiology radiation 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.
