Ph.D. Medical Genetics
NUCC 170100000X · Medical Genetics, Ph.D. Medical Genetics
354 CMS NPPES-registered providers across 46 states · 383rd of 690 specialties by headcount.
Where this specialty sits in the corpus
Ph.D. Medical Genetics ranks 383rd of 690 NUCC specialties by CMS NPPES headcount (0% of all registered NPIs), densest in California; per resident Puerto Rico leads.
- 354
- NPPES providers in specialty
- 383rd
- of 690 specialties
- 608
- state-share HHI
- 13.6%
- Part D prescriber share
Puerto Rico is densest per capita (6.6× the national rate; Connecticut 2.9×); 100% of the Medical Genetics, Ph.D. Medical Genetics category.
Taxonomy fingerprint
Ph.D. Medical Genetics (NUCC 170100000X; 13.6% Part D prescribers (48 of 354); avg 1,029 Part D claims/prescriber (142nd of 572); Open Payments avg $5K/physician (89th of 551; 31 paid, $159K total); state-share HHI 608; next-larger headcount neighbor Internist Chiropractor (+6); next-smaller Neuromuscular Medicine (Psychiatry & Neurology) Physician (-1)).
Next larger: Internist Chiropractor (360) Next smaller: Neuromuscular Medicine (Psychiatry & Neurology) Physician (353)
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 60 |
| 2 | New York | 31 |
| 3 | Florida | 23 |
| 4 | Puerto Rico | 22 |
| 5 | Massachusetts | 15 |
| 6 | North Carolina | 15 |
| 7 | Maryland | 14 |
| 8 | Texas | 14 |
Sample Ph.D. Medical Genetics NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | Myra Hall, M.D.Aberdeen, NC |
| 2 | Moon Choi - Chung, MDSylva, NC |
| 3 | Mary Paul, M.D.Kalaheo, HI |
| 4 | Helga Toriello, PHDGrand Rapids, MI |
| 5 | Ellen Knell, PHDPasadena, CA |
| 6 | Douglas Smih, MDDelray Beach, FL |
| 7 | Walter Gardiner, M.D.Christiansted, VI |
| 8 | Susan Kaweski, M.D., F.A.C.S.La Mesa, CA |
| 9 | Araceli Rivera-Serrano, M.DMayaguez, PR |
| 10 | Antonio Gonzalez, M.D.Carolina, PR |
| 11 | Ritchie Shoemaker, M.D.Pocomoke, MD |
| 12 | Karen Phillips, PHDChapel Hill, NC |
Frequently Asked Questions
How should I read Ph.D. Medical Genetics's mid-pack national roster?
How does Ph.D. Medical Genetics 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.