Addiction (Substance Use Disorder) Psychologist: NPI taxonomy code 103TA0400X
Taxonomy code 103TA0400X is Psychologist: Addiction (Substance Use Disorder), in the Behavioral Health & Social Service Providers group.
742 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 103TA0400X |
|---|---|
| Group | Behavioral Health & Social Service Providers |
| Classification | Psychologist |
| Specialization | Addiction (Substance Use Disorder) |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 742 (537 individuals, 205 organizations) |
What NUCC says: A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of… (excerpt of the NUCC 26.1 definition)
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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 | 124 | 16.7% |
| Michigan | 59 | 8.0% |
| Florida | 50 | 6.7% |
| New York | 43 | 5.8% |
| Ohio | 36 | 4.9% |
| Pennsylvania | 28 | 3.8% |
| Massachusetts | 26 | 3.5% |
| New Jersey | 24 | 3.2% |
| Maryland | 22 | 3.0% |
| Washington | 22 | 3.0% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Clinical Psychologist 83,097
- Psychologist 57,773
- School Psychologist 16,136
- Counseling Psychologist 9,668
- Clinical Child & Adolescent Psychologist 5,820
- Cognitive & Behavioral Psychologist 2,414
- Intellectual & Developmental Disabilities Psychologist 1,248
- Health Service Psychologist 1,150
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.