Counselor Addiction (Substance Use Disorder) Taxonomy Code 101YA0400X
No official NUCC definition is published for this code.
Code Details for 101YA0400X
About Taxonomy Code 101YA0400X
The taxonomy code 101YA0400X identifies Counselor Addiction (Substance Use Disorder) within the Behavioral Health & Social Service Providers provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 146,141 registered providers whose primary or secondary taxonomy is this code. Of these, 13,710 (9%) are registered as organizations and 132,431 (91%) as individual providers. The states with the most counselor addiction (substance use disorder) providers are California (32,362), Ohio (15,408), North Carolina (6,920).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-28T00:00:00.
View all 146,141 providersCounselor Addiction (Substance Use Disorder) Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
Frequently Asked Questions
101YA0400X questionsNPPES lists 146,141 registered providers with this taxonomy code (Counselor Addiction (Substance Use Disorder)).
Both. About 9% of these providers are registered as organizations and 91% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Counselor classification (parent code 101Y00000X).
Use the "Providers by state" directory on this page to open the list of counselor addiction (substance use disorder) providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.