103TH0100X — Health Service Psychologist
103TH0100X is the NUCC provider taxonomy code for Health Service Psychologist, a specialization within Psychologist (individual providers). 1,133 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 103TH0100X |
|---|---|
| Display name | Health Service Psychologist |
| Grouping | Behavioral Health & Social Service Providers |
| Classification | Psychologist |
| Specialization | Health Service |
| Section | Individual |
| Directory | Psychologist provider directory |
Definition
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 103T00000X — Psychologist
- 103TA0400X — Addiction (Substance Use Disorder) Psychologist (Psychologist)
- 103TA0700X — Adult Development & Aging Psychologist (Psychologist)
- 103TC0700X — Clinical Psychologist (Psychologist)
- 103TC2200X — Clinical Child & Adolescent Psychologist (Psychologist)
- 103TB0200X — Cognitive & Behavioral Psychologist (Psychologist)
- 103TC1900X — Counseling Psychologist (Psychologist)
- 103TE1000X — Psychologist (Psychologist)
Frequently asked questions
What does taxonomy code 103TH0100X mean?
103TH0100X is the NUCC Health Care Provider Taxonomy code for Health Service Psychologist, a specialization of Psychologist in the "Behavioral Health & Social Service Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 103TH0100X?
Browse the Psychologist directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.