NUCC taxonomy code

261QX0200X - Oncology Clinic/Center

261QX0200X is the NUCC provider taxonomy code for Oncology Clinic/Center, a specialization within Clinic/Center (organizations). 386 providers in our latest NPPES snapshot list it as their primary taxonomy.

386 providers · primary taxonomy

Code breakdown

Taxonomy code 261QX0200X

Display name Oncology Clinic/Center

Grouping Ambulatory Health Care Facilities

Classification Clinic/Center

Specialization Oncology

Section Non-Individual

Directory Clinic/Center provider directory

Definition

An entity, facility, or distinct part of a facility providing diagnostic, treatment and prescriptive services related to cancerous conditions. Services include chemotherapy infusions and monitoring of implanted chemotherapeutic agents.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

261Q00000X Clinic/Center 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)

Frequently asked questions

What does taxonomy code 261QX0200X mean?

261QX0200X is the NUCC Health Care Provider Taxonomy code for Oncology Clinic/Center, a specialization of 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 261QX0200X?

Browse the Clinic/Center directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-13.