103G00000X — Clinical Neuropsychologist

103G00000X is the NUCC provider taxonomy code for Clinical Neuropsychologist (individual providers). 6,934 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code	103G00000X
Display name	Clinical Neuropsychologist
Grouping	Behavioral Health & Social Service Providers
Classification	Clinical Neuropsychologist
Section	Individual
Directory	Clinical Neuropsychologist provider directory

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

103GC0700X — Clinical Neuropsychologist (Clinical Neuropsychologist)
106E00000X — Assistant Behavior Analyst
106S00000X — Behavior Technician
103K00000X — Behavior Analyst
101Y00000X — Counselor
101YA0400X — Addiction (Substance Use Disorder) Counselor (Counselor)
101YM0800X — Mental Health Counselor (Counselor)
101YP1600X — Pastoral Counselor (Counselor)

Frequently asked questions

What does taxonomy code 103G00000X mean?

103G00000X is the NUCC Health Care Provider Taxonomy code for Clinical Neuropsychologist 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 103G00000X?

Browse the Clinical Neuropsychologist directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-09.