NUCC taxonomy code
101Y00000X - Counselor
101Y00000X is the NUCC provider taxonomy code for Counselor (individual providers). 111,640 providers in our latest NPPES snapshot list it as their primary taxonomy.
111,640
providers · primary taxonomy
Code breakdown
Taxonomy code 101Y00000X
Display name Counselor
Grouping Behavioral Health & Social Service Providers
Classification Counselor
Section Individual
Directory Counselor provider directory
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
101YA0400X Addiction (Substance Use Disorder) Counselor (Counselor) 101YM0800X Mental Health Counselor (Counselor) 101YP1600X Pastoral Counselor (Counselor) 101YP2500X Professional Counselor (Counselor) 101YS0200X School Counselor (Counselor) 106E00000X Assistant Behavior Analyst 106S00000X Behavior Technician 103K00000X Behavior Analyst
Frequently asked questions
What does taxonomy code 101Y00000X mean?
101Y00000X is the NUCC Health Care Provider Taxonomy code for Counselor in the "Behavioral Health & Social Service Providers" grouping. It classifies 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 101Y00000X?
Browse the Counselor directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-13.