NUCC taxonomy code
261Q00000X - Clinic/Center
261Q00000X is the NUCC provider taxonomy code for Clinic/Center (organizations). 27,742 providers in our latest NPPES snapshot list it as their primary taxonomy.
27,742
providers · primary taxonomy
Code breakdown
Taxonomy code 261Q00000X
Display name Clinic/Center
Grouping Ambulatory Health Care Facilities
Classification Clinic/Center
Section Non-Individual
Directory Clinic/Center provider directory
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. "Clinic/Center" is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
261QM0855X Adolescent and Children Mental Health Clinic/Center (Clinic/Center) 261QA0600X Adult Day Care Clinic/Center (Clinic/Center) 261QM0850X Adult Mental Health Clinic/Center (Clinic/Center) 261QA0005X Ambulatory Family Planning Facility (Clinic/Center) 261QA0006X Ambulatory Fertility Facility (Clinic/Center) 261QA1903X Ambulatory Surgical Clinic/Center (Clinic/Center) 261QA0900X Amputee Clinic/Center (Clinic/Center) 261QA3000X Augmentative Communication Clinic/Center (Clinic/Center)
Frequently asked questions
What does taxonomy code 261Q00000X mean?
261Q00000X is the NUCC Health Care Provider Taxonomy code for Clinic/Center in the "Ambulatory Health Care Facilities" grouping. It classifies organizations and non-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 261Q00000X?
Browse the Clinic/Center directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-13.