Research Clinic/Center: NPI taxonomy code 261QR1100X
Taxonomy code 261QR1100X is Clinic/Center: Research, in the Ambulatory Health Care Facilities group.
361 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 261QR1100X |
|---|---|
| Group | Ambulatory Health Care Facilities |
| Classification | Clinic/Center |
| Specialization | Research |
| Used for | organizations (the code is in NUCC's Non-Individual section) |
| Active NPIs, primary specialty | 361 (60 individuals, 301 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Research Clinic/Center providers
Search the registry for providers listing Research. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Florida | 125 | 34.6% |
| California | 32 | 8.9% |
| Texas | 27 | 7.5% |
| Arizona | 14 | 3.9% |
| Georgia | 13 | 3.6% |
| New York | 12 | 3.3% |
| North Carolina | 11 | 3.0% |
| Pennsylvania | 11 | 3.0% |
| Ohio | 9 | 2.5% |
| Massachusetts | 9 | 2.5% |
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.