Adult Development & Aging Psychologist
NUCC 103TA0700X · Psychologist
547 CMS NPPES-registered providers across 50 states · 336th of 690 specialties by headcount.
Where this specialty sits in the corpus
Adult Development & Aging Psychologist ranks 336th of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in California; per resident District of Columbia leads.
- 547
- NPPES providers in specialty
- 336th
- of 690 specialties
- 644
- state-share HHI
- 0.7%
- Part D prescriber share
District of Columbia is densest per capita (9.1× the national rate; North Dakota 4.7×); 0.4% of the Psychologist category.
Taxonomy fingerprint
Adult Development & Aging Psychologist (NUCC 103TA0700X; 0.7% Part D prescribers (4 of 547); avg 358 Part D claims/prescriber (342nd of 572); Open Payments avg $67/physician (528th of 551; 2 paid, $133 total); state-share HHI 644; next-larger headcount neighbor Advanced Heart Failure and Transplant Cardiology Physician (+19); next-smaller Sports Medicine (Neuromusculoskeletal Medicine) Physician (-2)).
Next larger: Advanced Heart Failure and Transplant Cardiology Physician (566) Next smaller: Sports Medicine (Neuromusculoskeletal Medicine) Physician (545)
Population-adjusted state index
Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.
Over-indexed vs national rate
- District of Columbia 9.1× · 1.5/100k
- North Dakota 4.7× · 0.8/100k
- Nebraska 3.1× · 0.5/100k
- Puerto Rico 2.7× · 0.4/100k
- Massachusetts 2.6× · 0.4/100k
Under-indexed vs national rate
- Georgia 0.39× · 0.1/100k
- Missouri 0.50× · 0.1/100k
- Texas 0.55× · 0.1/100k
- Pennsylvania 0.57× · 0.1/100k
- South Carolina 0.58× · 0.1/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 103 |
| 2 | New York | 43 |
| 3 | Ohio | 38 |
| 4 | Massachusetts | 30 |
| 5 | Florida | 29 |
| 6 | Texas | 27 |
| 7 | Michigan | 23 |
| 8 | Maryland | 19 |
| 9 | Indiana | 14 |
| 10 | Puerto Rico | 14 |
| 11 | Illinois | 12 |
| 12 | Pennsylvania | 12 |
| 13 | Washington | 12 |
| 14 | Arizona | 11 |
| 15 | North Carolina | 11 |
Top Cities for Adult Development & Aging Psychologist
| # | City | Providers |
|---|---|---|
| 1 | Los AngelesCalifornia | 17 |
| 2 | New YorkNew York | 12 |
| 3 | WashingtonDistrict of Columbia | 10 |
| 4 | San DiegoCalifornia | 7 |
| 5 | ColumbusOhio | 6 |
| 6 | TucsonArizona | 5 |
| 7 | San FranciscoCalifornia | 5 |
| 8 | Fort CollinsColorado | 5 |
| 9 | BostonMassachusetts | 5 |
| 10 | BethesdaMaryland | 5 |
| 11 | DetroitMichigan | 5 |
| 12 | OmahaNebraska | 5 |
Sample Adult Development & Aging Psychologist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Michael Gilewski, PHDLoma Linda, CA |
| 2 | Jean-Claude Wakim, PH.D.Dallas, TX |
| 3 | Bonnie Shetler, PH.D.Fort Collins, CO |
| 4 | Jung Kim, PHDLos Angeles, CA |
| 5 | Gary Meunier, PH.D, HSPPAnderson, IN |
| 6 | Angela Steep, PSYDMurphy, NC |
| 7 | Tonia Long, PH.D.Collierville, TN |
| 8 | Mary Anne Geskie, PH.D.West Islip, NY |
| 9 | Ann Gracer, PHDFresh Meadows, NY |
| 10 | Carol Torossian, PSYDOyster Bay, NY |
| 11 | Paula Hartman-Stein, PH.D.Kent, OH |
| 12 | Alison Musso, PH.D.Salt Lake City, UT |
| 13 | Monte Miller, PSYDSan Antonio, TX |
| 14 | Monty Grubb, PHDWilmington, NC |
| 15 | Patricia Gillette, PHDTucson, AZ |
| 16 | Holly Ruckdeschel, PH.D.Coatesville, PA |
| 17 | Lynn Rapin, PH.D.Cincinnati, OH |
| 18 | Marie Oppedisano, PHDOld Westbury, NY |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Psychologist category.
Compare Adult Development & Aging Psychologist vs Clinical Psychologist →
Frequently Asked Questions
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How much Part D prescribing does this specialty do?
Data sources and methodology
Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). Part D averages from the CMS Medicare Part D Prescriber PUF; industry payments from CMS Open Payments 2024. Counts reflect self-designated primary taxonomy at NPI enrollment. PlainDoctor does not rate or rank providers. Methodology · About
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-27.