Addiction (Substance Use Disorder) Psychologist providers in the U.S.
538 NPPES records list addiction (substance use disorder) psychologist as their primary taxonomy, about 0.2 per 100,000 residents; South Dakota and Rhode Island have the most per resident. A registry record is not proof of an active practice.
What taxonomy code 103TA0400X means
103TA0400X is the National Uniform Claim Committee code for Psychologist, Addiction (Substance Use Disorder), in the grouping Behavioral Health & Social Service Providers. 538 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
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.
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 103TA0400X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Rapid City has the most, 14
Source: CMS NPPES, primary taxonomy 103TA0400X by practice city, file of Aug 9, 2026.
All 47 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 1 | 0.0 |
| Arizona | 9 | 0.1 |
| California | 103 | 0.3 |
| Colorado | 10 | 0.2 |
| Connecticut | 8 | 0.2 |
| Delaware | 1 | 0.1 |
| District of Columbia | 1 | 0.1 |
| Florida | 21 | 0.1 |
| Georgia | 6 | 0.1 |
| Illinois | 8 | 0.1 |
| Indiana | 2 | 0.0 |
| Iowa | 1 | 0.0 |
| Kansas | 8 | 0.3 |
| Kentucky | 1 | 0.0 |
| Louisiana | 2 | 0.0 |
| Maine | 1 | 0.1 |
| Maryland | 8 | 0.1 |
| Massachusetts | 23 | 0.3 |
| Michigan | 48 | 0.5 |
| Minnesota | 13 | 0.2 |
| Mississippi | 2 | 0.1 |
| Missouri | 5 | 0.1 |
| Montana | 2 | 0.2 |
| Nebraska | 1 | 0.1 |
| State | Records | Per 100,000 |
|---|---|---|
| Nevada | 8 | 0.3 |
| New Hampshire | 4 | 0.3 |
| New Jersey | 14 | 0.2 |
| New Mexico | 5 | 0.2 |
| New York | 34 | 0.2 |
| North Carolina | 10 | 0.1 |
| North Dakota | 1 | 0.1 |
| Ohio | 26 | 0.2 |
| Oklahoma | 14 | 0.3 |
| Oregon | 7 | 0.2 |
| Pennsylvania | 23 | 0.2 |
| Rhode Island | 7 | 0.6 |
| South Carolina | 6 | 0.1 |
| South Dakota | 16 | 1.7 |
| Tennessee | 4 | 0.1 |
| Texas | 15 | 0.0 |
| Utah | 9 | 0.3 |
| Vermont | 4 | 0.6 |
| Virginia | 4 | 0.0 |
| Washington | 22 | 0.3 |
| West Virginia | 3 | 0.2 |
| Wisconsin | 7 | 0.1 |
| Wyoming | 2 | 0.3 |
In federal data
- NUCC code103TA0400X · Psychologist
- Size rank323rd of 688 specialties by records (0.01% of all)
- In its family11th of 18 Psychologist codes, 0.3% of the family
- Industry payments1 physicians paid $111 in 2024, $111 each on average
- Concentration7 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of addiction (substance use disorder) psychologist records
- Alissa McIntyre, MATuscaloosa, AL1750178398
- Robert HarrisPhoenix, AZ1609524768
- King WilliamPhoenix, AZ1104695683
- Glenn Banks, MFCT, LISACPhoenix, AZ1053580381
- Terrell PickettMaricopa, AZ1033636691
- Nurein ShaibuChandler, AZ1548736259
- Doreen Alexander, MA, LISACScottsdale, AZ1881064160
- Thomas Warren, LASACScottsdale, AZ1144959032
- Melanie Anderson, PSYDScottsdale, AZ1710398995
- Tanis ThouinTucson, AZ1992365118
- Maria MendozaLos Angeles, CA1235503483
- Marina MendozaCommerce, CA1124846084
- Eric Geffner, PH.D., CCGC, NCGCLos Angeles, CA1568408284
- Nicholai Hakim, AMFTLos Angeles, CA1215642319
- Nora KeenerLos Angeles, CA1689237935
- Warren Aldrich, CADTPLos Angeles, CA1396588596
Registry order, not a ranking. Search by name to find one provider.
Common questions
How should I read Addiction (Substance Use Disorder) Psychologist's mid-pack national roster?
538 CMS-registered Addiction (Substance Use Disorder) Psychologist providers sit across 48 states; California leads with 103. Leading metros: Rapid City, SD; San Diego, CA; Walnut Creek, CA; New York, NY. Rank 323rd of 688 NUCC specialties by headcount.
How does Addiction (Substance Use Disorder) Psychologist show up in Open Payments mid-pack?
CMS Open Payments 2024 lists 1 Addiction (Substance Use Disorder) Psychologist physicians receiving $111 across 1 payments (average $111; 413th of 470 specialties). Not a quality score.
What does NUCC code 103TA0400X mean?
Addiction (Substance Use Disorder) Psychologist is NUCC taxonomy 103TA0400X in the Psychologist group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.