Psychologist: NPI taxonomy code 103T00000X
Taxonomy code 103T00000X is Psychologist, in the Behavioral Health & Social Service Providers group.
57,773 active NPIs list it as their primary specialty (0.6% of all).
| Code | 103T00000X |
|---|---|
| Group | Behavioral Health & Social Service Providers |
| Classification | Psychologist |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 57,773 (48,987 individuals, 8,786 organizations) |
What NUCC says: A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or… (excerpt of the NUCC 26.1 definition)
Find Psychologist providers
Search the registry for providers listing Psychologist. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 8,239 | 14.3% |
| New York | 5,554 | 9.6% |
| Pennsylvania | 3,187 | 5.5% |
| Michigan | 3,137 | 5.4% |
| Florida | 2,842 | 4.9% |
| Texas | 2,673 | 4.6% |
| Massachusetts | 2,582 | 4.5% |
| North Carolina | 2,004 | 3.5% |
| Minnesota | 1,963 | 3.4% |
| Ohio | 1,811 | 3.1% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Clinical Psychologist 83,097
- 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
- Forensic Psychologist 912
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.