Molecular Genetic Pathology (Medical Genetics) Physician
NUCC 207SM0001X · Medical Genetics
22 CMS NPPES-registered providers across 15 states · 645th of 690 specialties by headcount.
Where this specialty sits in the corpus
Molecular Genetic Pathology (Medical Genetics) Physician ranks 645th of 690 NUCC specialties by CMS NPPES headcount (0% of all registered NPIs), densest in California; per resident California leads.
- 22
- NPPES providers in specialty
- 645th
- of 690 specialties
- 992
- state-share HHI
- 4.5%
- Part D prescriber share
California is densest per capita (2× the national rate); 1.8% of the Medical Genetics category.
Taxonomy fingerprint
Molecular Genetic Pathology (Medical Genetics) Physician (NUCC 207SM0001X; 4.5% Part D prescribers (1 of 22); avg 16 Part D claims/prescriber (565th of 572); Open Payments avg $5K/physician (86th of 551; 4 paid, $21K total); state-share HHI 992; next-larger headcount neighbor Bone Densitometry Radiologic Technologist (+2); next-smaller Chronic Care Clinical Nurse Specialist (-1)).
Next larger: Bone Densitometry Radiologic Technologist (24) Next smaller: Chronic Care Clinical Nurse Specialist (21)
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 5 |
| 2 | Connecticut | 2 |
| 3 | Massachusetts | 2 |
| 4 | Missouri | 2 |
| 5 | Georgia | 1 |
| 6 | Mississippi | 1 |
| 7 | New York | 1 |
| 8 | Ohio | 1 |
Sample Molecular Genetic Pathology (Medical Genetics) Physician NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | John Pappas, M.D.New York, NY |
| 2 | Harry Ostrer, M.D.Oklahoma City, OK |
| 3 | Peter Nagy, M.D.Atlanta, GA |
| 4 | Janina Longtine, MDNew Haven, CT |
| 5 | Roger Klein, MDBeachwood, OH |
| 6 | Nikoletta Sidiropoulos, M.D.Burlington, VT |
| 7 | Miguel Rivera, M.D.Charlestown, MA |
| 8 | Chan-Shik Park, MD PHDBoston, MA |
| 9 | Oana VeleStanford, CA |
| 10 | Carlos Suarez Valencia, MDPortland, OR |
| 11 | Haleh Farzanmehr, M.D.Irvine, CA |
| 12 | Wei Song, M.D., PHDSan Diego, CA |
Frequently Asked Questions
Why is Molecular Genetic Pathology (Medical Genetics) Physician a thin NUCC code in NPPES?
Do the few Molecular Genetic Pathology (Medical Genetics) Physician NPIs in Open Payments look unusual?
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.