Clinical Psychologist
NUCC 103TC0700X · Psychologist
63,000 CMS NPPES-registered providers across 56 states · 32nd of 690 specialties by headcount.
Where this specialty sits in the corpus
Clinical Psychologist ranks 32nd of 690 NUCC specialties by CMS NPPES headcount (0.89% of all registered NPIs), densest in California; per resident District of Columbia leads.
- 63,000
- NPPES providers in specialty
- 32nd
- of 690 specialties
- 602
- state-share HHI
- 0.2%
- Part D prescriber share
District of Columbia is densest per capita (4.2× the national rate; Puerto Rico 3.1×); 43.1% of the Psychologist category.
Taxonomy fingerprint
Clinical Psychologist (NUCC 103TC0700X; 0.2% Part D prescribers (109 of 63,000); avg 615 Part D claims/prescriber (254th of 567); Open Payments avg $1K/physician (243rd of 552; 26 paid, $32K total); state-share HHI 602; next-larger headcount neighbor Emergency Medicine Physician (+1,463); next-smaller Certified Registered Nurse Anesthetist (-356)).
Next larger: Emergency Medicine Physician (64,463) Next smaller: Certified Registered Nurse Anesthetist (62,644)
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 4.2× · 78.4/100k
- Puerto Rico 3.1× · 57.5/100k
- Vermont 2.4× · 44.8/100k
- Rhode Island 2.3× · 42.2/100k
- Massachusetts 2.2× · 41.2/100k
Under-indexed vs national rate
- Mississippi 0.29× · 5.4/100k
- Virgin Islands 0.31× · 5.7/100k
- Iowa 0.32× · 6/100k
- Oklahoma 0.32× · 5.9/100k
- Guam 0.35× · 6.5/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 11,040 |
| 2 | New York | 6,099 |
| 3 | Illinois | 3,593 |
| 4 | Massachusetts | 2,883 |
| 5 | Florida | 2,759 |
| 6 | Michigan | 2,682 |
| 7 | Texas | 2,430 |
| 8 | Pennsylvania | 2,333 |
| 9 | Virginia | 2,139 |
| 10 | Puerto Rico | 1,844 |
| 11 | North Carolina | 1,644 |
| 12 | Washington | 1,527 |
| 13 | Ohio | 1,489 |
| 14 | Colorado | 1,456 |
| 15 | Minnesota | 1,435 |
Top Cities for Clinical Psychologist
| # | City | Providers |
|---|---|---|
| 1 | New YorkNew York | 2,342 |
| 2 | ChicagoIllinois | 1,307 |
| 3 | Los AngelesCalifornia | 1,041 |
| 4 | San DiegoCalifornia | 865 |
| 5 | San FranciscoCalifornia | 718 |
| 6 | BrooklynNew York | 625 |
| 7 | SeattleWashington | 553 |
| 8 | WashingtonDistrict of Columbia | 526 |
| 9 | PhiladelphiaPennsylvania | 470 |
| 10 | DenverColorado | 447 |
| 11 | San JuanPuerto Rico | 443 |
| 12 | PortlandOregon | 438 |
Sample Clinical Psychologist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Arlene Staubsinger, PH.D.Liverpool, NY |
| 2 | Bryan Ciula, PSYD, HSPPWarsaw, IN |
| 3 | Charles Lepkowsky, PH.D.Solvang, CA |
| 4 | Morgan SammonsBethesda, MD |
| 5 | Kristin Kronsnoble, PH.D.Tampa, FL |
| 6 | Kenneth Liebenau, PHDWichita, KS |
| 7 | David Hatfield, PH.D.Colorado Springs, CO |
| 8 | Michael Ashley, PHDSwayzee, IN |
| 9 | Ira Pearlman, PH.D.Norfolk, VA |
| 10 | Aaron Noonberg, PH.D.Towson, MD |
| 11 | A Salais, PH.D.Boise, ID |
| 12 | Gerald Perlman, PH.D.New York, NY |
| 13 | Laura Schultz, PSY.D.Joliet, IL |
| 14 | Gilbert Tunnell, PHDNew York, NY |
| 15 | Barry Leavitt, PSYDChicago, IL |
| 16 | Ray Quackenbush, PSY.D.Chicago, IL |
| 17 | John Miller, PH.D.Davis, CA |
| 18 | Janet Kuczmarski, PH.D.Denver, CO |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Psychologist category.
Frequently Asked Questions
How many Clinical Psychologist providers are in the US?
Do Clinical Psychologist clinicians appear in Open Payments?
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 2026-05-20.