Radiology Practitioner Assistant: NPI taxonomy code 243U00000X
Taxonomy code 243U00000X is Radiology Practitioner Assistant, in the Technologists, Technicians & Other Technical Service Providers group.
398 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 243U00000X |
|---|---|
| Group | Technologists, Technicians & Other Technical Service Providers |
| Classification | Radiology Practitioner Assistant |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 398 (392 individuals, 6 organizations) |
What NUCC says: A Radiology Practitioner Assistant (RPA) is a health professional certified as a registered radiographer with the American Registry of Radiologic Technologists (ARRT) and, in addition, is credentialed to provide primary radiology health care with radiologist supervision. (excerpt of the NUCC 26.1 definition)
Find Radiology Practitioner Assistant providers
Search the registry for providers listing Radiology Practitioner Assistant. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Texas | 40 | 10.1% |
| Florida | 34 | 8.5% |
| New York | 33 | 8.3% |
| Pennsylvania | 28 | 7.0% |
| Colorado | 26 | 6.5% |
| Georgia | 18 | 4.5% |
| North Carolina | 17 | 4.3% |
| Tennessee | 16 | 4.0% |
| Oklahoma | 16 | 4.0% |
| Indiana | 14 | 3.5% |
Top states by practice location, from the NPPES file of September 13, 2026.
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.