Psychologist Addiction (Substance Use Disorder) Taxonomy Code 103TA0400X

103TA0400X Level III - Area of Specialization
2,910Registered providers
62Medicare specialty
26.0NUCC version
53States & territories
Definition

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 use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.

Code Details for 103TA0400X

ClassificationPsychologist
SpecializationAddiction (Substance Use Disorder)
Code levelLevel III - Area of Specialization
Last updatedJuly 01, 2026
Notes / sourceSource: American Psychological Association, www.apa.org [1/1/2019: new definition]

Additional Resources: The APA proficiency is Addiction Psychology.

About Taxonomy Code 103TA0400X

The taxonomy code 103TA0400X identifies Psychologist 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 2,910 registered providers whose primary or secondary taxonomy is this code. Of these, 1,222 (42%) are registered as organizations and 1,688 (58%) as individual providers. The states with the most psychologist addiction (substance use disorder) providers are California (454), Michigan (179), Florida (171). For Medicare enrollment, it crosswalks to specialty code 62 (Psychologist).

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

2,910Total providers
1,222Organizations 42%
1,688Individuals 58%
907Female
779Male
2Undisclosed

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-05T00:00:00.

View all 2,910 providers

Psychologist 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

NPPES lists 2,910 registered providers with this taxonomy code (Psychologist Addiction (Substance Use Disorder)).

Both. About 42% of these providers are registered as organizations and 58% as individuals.

It crosswalks to Medicare specialty code 62 (Psychologist).

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 Psychologist classification (parent code 103T00000X).

Use the "Providers by state" directory on this page to open the list of psychologist addiction (substance use disorder) providers registered in any U.S. state.

Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.