Health Psychologist
NUCC 103TH0004X · Psychologist
538 CMS NPPES-registered providers across 48 states · 338th of 690 specialties by headcount.
Where this specialty sits in the corpus
Health Psychologist ranks 338th of 690 NUCC specialties by CMS NPPES headcount (0.01% of all registered NPIs), densest in California; per resident Rhode Island leads.
- 538
- NPPES providers in specialty
- 338th
- of 690 specialties
- 502
- state-share HHI
- 0.6%
- Part D prescriber share
Rhode Island is densest per capita (2.9× the national rate; Massachusetts 2.5×); 0.4% of the Psychologist category.
Taxonomy fingerprint
Health Psychologist (NUCC 103TH0004X; 0.6% Part D prescribers (3 of 538); avg 3,547 Part D claims/prescriber (20th of 572); Open Payments avg $7K/physician (70th of 551; 1 paid, $7K total); state-share HHI 502; next-larger headcount neighbor Sports Medicine (Neuromusculoskeletal Medicine) Physician (+7); next-smaller Allergy & Immunology (Internal Medicine) Physician (-10)).
Next larger: Sports Medicine (Neuromusculoskeletal Medicine) Physician (545) Next smaller: Allergy & Immunology (Internal Medicine) Physician (528)
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
- Rhode Island 2.9× · 0.5/100k
- Massachusetts 2.5× · 0.4/100k
- Colorado 2.1× · 0.3/100k
- Ohio 1.9× · 0.3/100k
- Connecticut 1.9× · 0.3/100k
Under-indexed vs national rate
- Georgia 0.51× · 0.1/100k
- New Jersey 0.54× · 0.1/100k
- Minnesota 0.55× · 0.1/100k
- Texas 0.66× · 0.1/100k
- Kentucky 0.69× · 0.1/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 74 |
| 2 | Ohio | 36 |
| 3 | Florida | 32 |
| 4 | Texas | 32 |
| 5 | Michigan | 29 |
| 6 | Massachusetts | 28 |
| 7 | Illinois | 26 |
| 8 | New York | 26 |
| 9 | Colorado | 20 |
| 10 | North Carolina | 20 |
| 11 | Pennsylvania | 16 |
| 12 | Washington | 15 |
| 13 | Arizona | 14 |
| 14 | Maryland | 14 |
| 15 | Wisconsin | 12 |
Top Cities for Health Psychologist
| # | City | Providers |
|---|---|---|
| 1 | ClevelandOhio | 18 |
| 2 | ChicagoIllinois | 11 |
| 3 | San DiegoCalifornia | 9 |
| 4 | AuroraColorado | 7 |
| 5 | Los AngelesCalifornia | 6 |
| 6 | TampaFlorida | 6 |
| 7 | BaltimoreMaryland | 6 |
| 8 | Ann ArborMichigan | 6 |
| 9 | CharlotteNorth Carolina | 6 |
| 10 | DurhamNorth Carolina | 6 |
| 11 | DallasTexas | 6 |
| 12 | SeattleWashington | 6 |
Sample Health Psychologist NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | John Hall, PH.D.Charlotte, NC |
| 2 | Edward Hill, M.D.Winston Salem, NC |
| 3 | Beth Davis, PHDHerndon, VA |
| 4 | Jay Schneiders, PH.D., ABPPEnglewood, CO |
| 5 | Michelle Einson, PSYDCharlotte, NC |
| 6 | Jennifer Heinemann, PH.D.Milwaukee, WI |
| 7 | Francis Harris, PHDPittsburgh, PA |
| 8 | Susan Ollar, PH.D.Lakewood, CO |
| 9 | Bridget Sonnier-Hillis, PH.D.Baton Rouge, LA |
| 10 | Karin Suesser, PHDRipon, WI |
| 11 | Cynthia Vankeuren, PSY DBeachwood, OH |
| 12 | Jack Schaffer, PH.D.Saint Paul, MN |
| 13 | Timothy Ellingstad, PHDBurlington, WI |
| 14 | David Hoskins, PSY.D, M.A.S.Oakland, CA |
| 15 | Jennifer Michels, PHDWausau, WI |
| 16 | Allison Hahn, PSY.DDes Moines, IA |
| 17 | Edmund Chaney, PHDBandon, OR |
| 18 | Stephen Bono, PH.D.Baltimore, MD |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Psychologist category.
Frequently Asked Questions
How should I read Health Psychologist's mid-pack national roster?
How does Health Psychologist show up in Open Payments mid-pack?
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.