103T00000X
Psychologist Intellectual and Developmental Disabilities Taxonomy Code 103TM1800X
103TM1800X
Level III - Area of Specialization
2,903Registered providers
62Medicare specialty
26.0NUCC version
52States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 103TM1800X
About Taxonomy Code 103TM1800X
The taxonomy code 103TM1800X identifies Psychologist Intellectual and Developmental Disabilities 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 2,903 registered providers whose primary or secondary taxonomy is this code. Of these, 891 (31%) are registered as organizations and 2,012 (69%) as individual providers. The states with the most psychologist intellectual and developmental disabilities providers are California (293), Delaware (214), Texas (191). 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
2,903Total providers
891Organizations 31%
2,012Individuals 69%
1,388Female
623Male
1Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-19T00:00:00.
View all 2,903 providersPsychologist Intellectual and Developmental Disabilities Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
2,903
Alabama22Alaska9Arizona37Arkansas9California293Colorado58Connecticut27Delaware214District Of Columbia12Florida156Georgia59Hawaii5Idaho8Illinois79Indiana37Iowa15Kansas11Kentucky21Louisiana47Maine16Maryland100Massachusetts80Michigan113Minnesota65Mississippi14Missouri30Nebraska19Nevada27New Hampshire14New Jersey88New Mexico7New York188North Carolina172North Dakota5Ohio144Oklahoma9Oregon31Pennsylvania100Puerto Rico34Rhode Island11South Carolina29South Dakota3Tennessee45Texas191Utah13Vermont6Virgin Islands2Virginia52Washington36West Virginia17Wisconsin17Wyoming11
Frequently Asked Questions
103TM1800X questionsNPPES lists 2,903 registered providers with this taxonomy code (Psychologist Intellectual and Developmental Disabilities).
Both. About 31% of these providers are registered as organizations and 69% 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 intellectual and developmental disabilities 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.
