Cytopathology Physician
NUCC 207ZC0500X · Pathology
1,404 CMS NPPES-registered providers across 50 states · 235th of 690 specialties by headcount.
Where this specialty sits in the corpus
Cytopathology Physician ranks 235th of 690 NUCC specialties by CMS NPPES headcount (0.02% of all registered NPIs), densest in California; per resident Massachusetts leads.
- 1,404
- NPPES providers in specialty
- 235th
- of 690 specialties
- 632
- state-share HHI
- 2.6%
- Part D prescriber share
Massachusetts is densest per capita (1.8× the national rate; Kentucky 1.6×); 6.1% of the Pathology category.
Taxonomy fingerprint
Cytopathology Physician (NUCC 207ZC0500X; 2.6% Part D prescribers (37 of 1,404); avg 88 Part D claims/prescriber (503rd of 572); Open Payments avg $2K/physician (183rd of 551; 245 paid, $569K total); state-share HHI 632; next-larger headcount neighbor Gynecologic Oncology Physician (+3); next-smaller Psychoanalyst (-3)).
Next larger: Gynecologic Oncology Physician (1,407) Next smaller: Psychoanalyst (1,401)
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
- Massachusetts 1.8× · 0.7/100k
- Kentucky 1.6× · 0.7/100k
- California 1.5× · 0.6/100k
- Nebraska 1.5× · 0.6/100k
- New York 1.4× · 0.6/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 244 |
| 2 | Texas | 134 |
| 3 | New York | 116 |
| 4 | Florida | 87 |
| 5 | Pennsylvania | 70 |
| 6 | Massachusetts | 52 |
| 7 | Michigan | 51 |
| 8 | Ohio | 46 |
| 9 | Illinois | 39 |
| 10 | North Carolina | 34 |
| 11 | Georgia | 32 |
| 12 | Kentucky | 31 |
| 13 | Minnesota | 31 |
| 14 | Tennessee | 30 |
| 15 | Washington | 29 |
Top Cities for Cytopathology Physician
| # | City | Providers |
|---|---|---|
| 1 | HoustonTexas | 46 |
| 2 | New YorkNew York | 29 |
| 3 | RochesterMinnesota | 22 |
| 4 | BostonMassachusetts | 20 |
| 5 | Los AngelesCalifornia | 19 |
| 6 | LexingtonKentucky | 18 |
| 7 | IndianapolisIndiana | 17 |
| 8 | DallasTexas | 16 |
| 9 | SeattleWashington | 16 |
| 10 | StanfordCalifornia | 15 |
| 11 | TampaFlorida | 15 |
| 12 | AtlantaGeorgia | 15 |
Sample Cytopathology Physician NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Venk Mani, MDDickson, TN |
| 2 | Mark Tulecke, M.D.Exeter, NH |
| 3 | Heather Crowley, M.D.Manchester, NH |
| 4 | Barry Berger, M.D.Chestnut Hill, MA |
| 5 | Catherine Sewell, M.D.Louisville, KY |
| 6 | Richard Wittchow, MDLa Crosse, WI |
| 7 | Pulin Kothari, M.D.Houston, TX |
| 8 | Joyce Maldonado, M.D.Houston, TX |
| 9 | Mary Ostrowski, M.D.Conroe, TX |
| 10 | Marigold Ardron, MDModesto, CA |
| 11 | Shijun Cui, MDModesto, CA |
| 12 | Phillip Deos, MDModesto, CA |
| 13 | John Baker, MDModesto, CA |
| 14 | Albert Chen, M.D.Kingwood, TX |
| 15 | Thomas Wheeler, M.D.Conroe, TX |
| 16 | John Rowland, MDDallas, TX |
| 17 | Robert Purvis, M.D.Modesto, CA |
| 18 | Harvey Chang, M.D.Modesto, CA |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Pathology category.
Compare Cytopathology Physician vs Anatomic Pathology & Clinical Pathology Physician →
Frequently Asked Questions
How should I read Cytopathology Physician's mid-pack national roster?
How does Cytopathology Physician 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.