NPPES file of Aug 9, 2026

Ph.D. Medical Genetics in California

54 NPPES records list ph.d. medical genetics with a practice address in California, 0.1 per 100,000 residents, the 10th highest rate of 39. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 170100000X · method

Los Angeles has the most, 10

Ph.D. Medical Genetics records in California

  1. Douglas Wallace, PHDIrvine, CA 926971811181498
  2. Kenneth WolfLos Angeles, CA 900591902003478
  3. Michael Wong, M.D.Sacramento, CA 958171235114703
  4. Anna Wu, PHDLos Angeles, CA 900891932419975

Source: CMS NPPES, primary taxonomy 170100000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 10 of 39 per resident

  1. Maine0.1
  2. New Mexico0.1
  3. Hawaii0.1
  4. California0.1
  5. Alaska0.1
  6. North Carolina0.1
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 170100000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

11.1% of these records appear in a Medicare file, against 12.1% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California11.1%
  2. United States12.1%

Ph.D. Medical Genetics records in California, measured

  • In a Medicare file6 of 54 · 11.1% here, 12.1% nationally
  • In the CMS Doctors and Clinicians file3 · 5.6% here, 5.2% nationally
  • Not updated in five years or more46 · 85.2% here, 74.6% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 170100000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

54 NPPES records list ph.d. medical genetics (170100000X) as their primary taxonomy with a practice address in California: 0.1 per 100,000 residents against 0.1 nationally (50 states and D.C.). Los Angeles has 10 of them (19%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. New York30
  2. Florida21
  3. Puerto Rico19
  4. North Carolina14

States with a similar rate per 100,000

  1. Virginia0.1
  2. New Jersey0.1
  3. Massachusetts0.2
  4. Maryland0.2

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

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.