2085R0001X — Radiation Oncology Physician
2085R0001X is the NUCC provider taxonomy code for Radiation Oncology Physician, a specialization within Radiology (individual providers). 8,754 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 2085R0001X |
|---|---|
| Display name | Radiation Oncology Physician |
| Grouping | Allopathic & Osteopathic Physicians |
| Classification | Radiology |
| Specialization | Radiation Oncology |
| Section | Individual |
| Directory | Radiology provider directory |
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.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 2085B0100X — Body Imaging Physician (Radiology)
- 2085D0003X — Diagnostic Neuroimaging (Radiology) Physician (Radiology)
- 2085R0202X — Diagnostic Radiology Physician (Radiology)
- 2085U0001X — Diagnostic Ultrasound Physician (Radiology)
- 2085H0002X — Hospice and Palliative Medicine (Radiology) Physician (Radiology)
- 2085N0700X — Neuroradiology Physician (Radiology)
- 2085N0904X — Nuclear Radiology Physician (Radiology)
- 2085P0229X — Pediatric Radiology Physician (Radiology)
Frequently asked questions
What does taxonomy code 2085R0001X mean?
2085R0001X is the NUCC Health Care Provider Taxonomy code for Radiation Oncology Physician, a specialization of Radiology in the "Allopathic & Osteopathic Physicians" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 2085R0001X?
Browse the Radiology directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.