Addiction (Substance Use Disorder) Counselor: NPI taxonomy code 101YA0400X
Taxonomy code 101YA0400X is Counselor: Addiction (Substance Use Disorder), in the Behavioral Health & Social Service Providers group.
100,589 active NPIs list it as their primary specialty (1.1% of all).
| Code | 101YA0400X |
|---|---|
| Group | Behavioral Health & Social Service Providers |
| Classification | Counselor |
| Specialization | Addiction (Substance Use Disorder) |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 100,589 (95,889 individuals, 4,700 organizations) |
What NUCC says: Definition to come... (excerpt of the NUCC 26.1 definition)
Find Addiction (Substance Use Disorder) Counselor providers
Search the registry for providers listing Addiction (Substance Use Disorder). Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 28,338 | 28.2% |
| Ohio | 11,669 | 11.6% |
| New York | 5,285 | 5.3% |
| Washington | 4,563 | 4.5% |
| Oregon | 4,181 | 4.2% |
| North Carolina | 3,426 | 3.4% |
| Texas | 2,669 | 2.7% |
| Massachusetts | 2,456 | 2.4% |
| Michigan | 2,423 | 2.4% |
| Wisconsin | 2,154 | 2.1% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Mental Health Counselor 328,030
- Professional Counselor 161,573
- Counselor 112,354
- School Counselor 6,333
- Pastoral Counselor 2,452
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.