Radiation Oncology Clinic/Center: NPI taxonomy code 261QX0203X
Taxonomy code 261QX0203X is Clinic/Center: Oncology, Radiation, in the Ambulatory Health Care Facilities group.
348 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 261QX0203X |
|---|---|
| Group | Ambulatory Health Care Facilities |
| Classification | Clinic/Center |
| Specialization | Oncology, Radiation |
| Used for | organizations (the code is in NUCC's Non-Individual section) |
| Active NPIs, primary specialty | 348 (12 individuals, 336 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Radiation Oncology Clinic/Center providers
Search the registry for providers listing Oncology, Radiation. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Texas | 46 | 13.2% |
| California | 36 | 10.3% |
| Florida | 26 | 7.5% |
| Georgia | 18 | 5.2% |
| Tennessee | 13 | 3.7% |
| New York | 11 | 3.2% |
| Illinois | 11 | 3.2% |
| Colorado | 11 | 3.2% |
| Ohio | 10 | 2.9% |
| Minnesota | 10 | 2.9% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Mental Health Clinic/Center (Including Community Mental Health Center) 31,654
- Clinic/Center 27,992
- Dental Clinic/Center 25,647
- Physical Therapy Clinic/Center 20,687
- Federally Qualified Health Center (FQHC) 17,587
- Primary Care Clinic/Center 17,317
- Ambulatory Surgical Clinic/Center 13,887
- Urgent Care Clinic/Center 11,793
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.