103T00000X
Psychologist Adult Development & Aging Taxonomy Code 103TA0700X
103TA0700X
Level III - Area of Specialization
1,851Registered providers
62Medicare specialty
26.0NUCC version
51States & territories
Definition
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.
Code Details for 103TA0700X
About Taxonomy Code 103TA0700X
The taxonomy code 103TA0700X identifies Psychologist Adult Development & Aging 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 1,851 registered providers whose primary or secondary taxonomy is this code. Of these, 567 (31%) are registered as organizations and 1,284 (69%) as individual providers. The states with the most psychologist adult development & aging providers are California (317), New York (143), Florida (114). 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
1,851Total providers
567Organizations 31%
1,284Individuals 69%
846Female
437Male
1Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 1,851 providersPsychologist Adult Development & Aging Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
1,851
Alabama8Alaska6Arizona49Arkansas9California317Colorado27Connecticut12Delaware14District Of Columbia23Florida114Georgia32Hawaii14Idaho6Illinois70Indiana31Iowa12Kansas9Kentucky12Louisiana9Maine12Maryland50Massachusetts94Michigan74Minnesota23Mississippi6Missouri19Montana2Nebraska14Nevada20New Hampshire10New Jersey44New Mexico15New York143North Carolina58North Dakota6Ohio75Oklahoma12Oregon14Pennsylvania50Puerto Rico39Rhode Island8South Carolina14South Dakota1Tennessee30Texas110Utah11Vermont12Virginia21Washington23West Virginia3Wisconsin17
Frequently Asked Questions
103TA0700X questionsNPPES lists 1,851 registered providers with this taxonomy code (Psychologist Adult Development & Aging).
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 adult development & aging 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.
