NPPES file of Aug 9, 2026

Complex Family Planning Physician in California

23 NPPES records list complex family planning physician with a practice address in California, 0.1 per 100,000 residents, the 3rd highest rate of 20. Sacramento and Stanford have the most; each record links to the provider's NPI and the California license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207VC0300X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Sacramento has the most, 9

  1. Sacramento9
  2. Stanford6
  3. Baldwin Park1
  4. La Jolla1
  5. Los Angeles1

Complex Family Planning Physician records in California

  1. Paul Blumenthal, MDStanford, CA 943051336202977
  2. Erica Cahill, MDStanford, CA 943051871936351
  3. Jayne Caron, MDPalo Alto, CA 943041780213819
  4. Melissa Chen, M.D., M.P.H.Sacramento, CA 958171144541582
  5. Mitchell Creinin, MDSacramento, CA 958171801868484
  6. Natalie Dicenzo, MDSacramento, CA 958171174148027
  7. Anne Flynn, MDSacramento, CA 958171326435447
  8. Karen Greiner, MD, MPHLa Jolla, CA 920371427686930
  9. Jaclyn Grentzer, MD, MSCIRiverside, CA 925051215240338
  10. Maryam Guiahi, M.D.Santa Barbara, CA 931051386805521
  11. Andrea Henkel, MDStanford, CA 943051003279209
  12. Melody Hou, M.D., M.P.H.Sacramento, CA 958171154471092
  13. Ciara HutchisonSacramento, CA 958171730667346
  14. Jennifer Kerns, M.D.San Francisco, CA 941101518137116
  15. Melissa MatulichSacramento, CA 958171841568664
  16. Tara Peterson, PA-CBaldwin Park, CA 917061104474634
  17. Holly Rankin, MDSacramento, CA 958171326508508
  18. Kate Shaw, MDStanford, CA 943051710180344
  19. Jade Shorter, MDStanford, CA 943051164761227
  20. Heather Sweeney, MDLos Angeles, CA 900951285261750
  21. Suji Uhm, MDStanford, CA 943051992123103
  22. Alexandra Woodcock, MDSan Jose, CA 951281003310228
  23. Blake Zwerling, M.D.Sacramento, CA 958171992237978

Source: CMS NPPES, primary taxonomy 207VC0300X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 3 of 20 per resident

  1. New Mexico0.3
  2. New York0.1
  3. California0.1
  4. Utah0.1
  5. Connecticut0.1
  6. 50 states and D.C.0.0

Source: CMS NPPES, primary taxonomy 207VC0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

95.7% of these records appear in a Medicare file, against 88.0% 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. California95.7%
  2. United States88.0%

Complex Family Planning Physician records in California, measured

  • In a Medicare file22 of 23 · 95.7% here, 88.0% nationally
  • In the CMS Doctors and Clinicians file19 · 82.6% here, 77.1% nationally
  • Not updated in five years or more0 · 0.0% here, 0.0% nationally
  • Median graduation year2014 · the 19 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207VC0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

23 NPPES records list complex family planning physician (207VC0300X) as their primary taxonomy with a practice address in California: 0.1 per 100,000 residents against 0 nationally (50 states and D.C.). Sacramento has 9 of them (39%).

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 York15

The largest states

  1. New York15
  2. New Mexico6
  3. Michigan5
  4. Pennsylvania4
  5. Illinois3

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.