Ph.D. Medical Genetics providers in the U.S.
307 NPPES records list ph.d. medical genetics as their primary taxonomy, about 0.1 per 100,000 residents; Connecticut and District of Columbia have the most per resident. 31 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 170100000X means
170100000X is the National Uniform Claim Committee code for Medical Genetics, Ph.D. Medical Genetics, in the grouping Other Service Providers. 307 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
A medical geneticist works in association with a medical specialist, is affiliated with a clinical genetics program, and serves as a consultant to medical and dental specialists.
Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 170100000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
New York has the most, 12
Source: CMS NPPES, primary taxonomy 170100000X by practice city, file of Aug 9, 2026.
All 39 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 6 | 0.1 |
| Alaska | 1 | 0.1 |
| Arizona | 2 | 0.0 |
| California | 54 | 0.1 |
| Colorado | 9 | 0.2 |
| Connecticut | 10 | 0.3 |
| District of Columbia | 2 | 0.3 |
| Florida | 21 | 0.1 |
| Georgia | 6 | 0.1 |
| Hawaii | 2 | 0.1 |
| Illinois | 4 | 0.0 |
| Indiana | 2 | 0.0 |
| Iowa | 1 | 0.0 |
| Kentucky | 1 | 0.0 |
| Louisiana | 4 | 0.1 |
| Maine | 2 | 0.1 |
| Maryland | 13 | 0.2 |
| Massachusetts | 12 | 0.2 |
| Michigan | 9 | 0.1 |
| Minnesota | 1 | 0.0 |
| State | Records | Per 100,000 |
|---|---|---|
| Nevada | 1 | 0.0 |
| New Jersey | 10 | 0.1 |
| New Mexico | 3 | 0.1 |
| New York | 30 | 0.2 |
| North Carolina | 14 | 0.1 |
| North Dakota | 1 | 0.1 |
| Ohio | 8 | 0.1 |
| Oklahoma | 2 | 0.0 |
| Oregon | 1 | 0.0 |
| Pennsylvania | 4 | 0.0 |
| South Carolina | 2 | 0.0 |
| South Dakota | 1 | 0.1 |
| Tennessee | 7 | 0.1 |
| Texas | 13 | 0.0 |
| Utah | 1 | 0.0 |
| Virginia | 11 | 0.1 |
| Washington | 8 | 0.1 |
| West Virginia | 2 | 0.1 |
| Wisconsin | 6 | 0.1 |
In federal data
- NUCC code170100000X · Medical Genetics, Ph.D. Medical Genetics
- Size rank394th of 688 specialties by records (0% of all)
- Part D prescribers31 (10.1% of records)
- Part D claims1,036 a year per prescriber, on average (77th of 496)
- Industry payments16 physicians paid $117K in 2024, $7K each on average
- Concentration7 states hold half of all records
Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.
A sample of ph.d. medical genetics records
- Mario Lucero, MDWar, WV1639173115
- Moon Choi - Chung, MDSylva, NC1831194976
- Helga Toriello, PHDGrand Rapids, MI1760487540
- Ellen Knell, PHDPasadena, CA1346247426
- Douglas Smih, MDDelray Beach, FL1558368670
- Walter Gardiner, M.D.Christiansted, VI1225035280
- Antonio Gonzalez, M.D.Carolina, PR1679575310
- Ritchie Shoemaker, M.D.Pocomoke, MD1740272301
- Karen Phillips, PHDChapel Hill, NC1851384515
- Betsy Waterman, PHDPulaski, NY1093709107
- Francis Vannostrand, M.D.Stafford Springs, CT1184618381
- Donald Cantley, MDAlabaster, AL1962496638
Registry order, not a ranking. Search by name to find one provider.
Common questions
How should I read Ph.D. Medical Genetics's mid-pack national roster?
307 CMS-registered Ph.D. Medical Genetics providers sit across 41 states; California leads with 54. Rank 394th of 688 NUCC specialties by headcount.
How does Ph.D. Medical Genetics show up in Open Payments mid-pack?
CMS Open Payments 2024 lists 16 Ph.D. Medical Genetics physicians receiving $117K across 164 payments (average $7K; 61st of 470 specialties). Not a quality score.
How much Part D prescribing does this specialty do?
Among Ph.D. Medical Genetics NPIs, 31 appear in the Medicare Part D Prescriber PUF (average 1,036 claims and $132K drug cost per prescriber; 77th of 496 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.