NPPES file of Aug 9, 2026

Reproductive Endocrinology Physician in California

267 NPPES records list reproductive endocrinology physician with a practice address in California, 0.7 per 100,000 residents, the 9th highest rate of 48. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 1 of 6.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207VE0102X · method

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

Los Angeles has the most, 33

  1. Los Angeles33
  2. San Francisco29
  3. San Diego19
  4. La Jolla12
  5. Newport Beach10

Reproductive Endocrinology Physician records in California

  1. Sina Abhari, MDNewport Beach, CA 926601073955290
  2. Mary Abusief, M.D.East Palo Alto, CA 943031639206733
  3. Brian Acacio, M.D.Laguna Niguel, CA 926771952313140
  4. Geoffrey Adamson, M.D.Mountain View, CA 940401780781690
  5. Jennifer Agard, M.D.Greenbrae, CA 949041003044553
  6. Sanjay Agarwal, M.D.La Jolla, CA 920371255489720
  7. Lusine Aghajanova, MDPalo Alto, CA 943041427315522
  8. Alin Akopians, M.D.Beverly Hills, CA 902101720306855
  9. Rene Allen, M.D.Santa Barbara, CA 931031265630602
  10. Ruben Alvero, MDPalo Alto, CA 943041861506917
  11. Yanett Anaya, MDSan Francisco, CA 941431215299102
  12. Robert Anderson, M.D.Newport Beach, CA 926631023126562
  13. Helen AnglinSan Diego, CA 921031952721243
  14. John ArpelsLarkspur, CA 949391437229333
  15. Beth Ary, MDNewport Beach, CA 926601750360665
  16. Ramchandra Rao Ayyagari, M.D.Bakersfield, CA 933011942230644
  17. Kelly Baek, MDLos Angeles, CA 900251144385212
  18. Valerie Baker, M.D.San Jose, CA 951241790882603
  19. Aykut Bayrak, MDPasadena, CA 911051679586218
  20. Lisa Becht, M.D.Newport Beach, CA 926631306089057
  21. Snunit Ben - Ozer, MDTarzana, CA 913561437286952
  22. Kristin Bendikson, M.D.Santa Monica, CA 904011609081140
  23. Keri Bergin, MDLos Angeles, CA 900641346744703
  24. Robert Boostanfar, M.D.Westlake Village, CA 913611336119353
  25. Stephen Boyers, M.D.Sacramento, CA 958171386627081
  26. Kathleen Brennan, MDSanta Monica, CA 904041306033741
  27. Steven Brody, M.D.San Diego, CA 921221265558266
  28. Meredith Brower, MDSanta Monica, CA 904041689836280
  29. Hakan Cakmak, M.D.San Francisco, CA 941151861676827
  30. Marcelle Cedars, M.D.San Francisco, CA 941581427095090
  31. Jessica Chan, M.D.Los Angeles, CA 900481154659621
  32. Russell Chang, M.D.San Diego, CA 921031629003389
  33. Rhea Chattopadhyay, M.D.San Ramon, CA 945831508308040
  34. Gautam Chaudhuri, MDLos Angeles, CA 900951053357095
  35. Diana Chavkin, MDLos Angeles, CA 900641417012535
  36. Eileen Chen, MDArcadia, CA 910071568522738
  37. Philip Chenette, MDSan Francisco, CA 941331346341393
  38. Ryszard Chetkowski, M.D.Berkeley, CA 947051992883011
  39. Jacob Christ, MDSan Francisco, CA 941581386141422
  40. Esther Chung, MDSunnyvale, CA 940871962908855
  41. Karine Chung, M.D.Los Angeles, CA 900251386795144
  42. Katherine Connolly, M.D.San Francisco, CA 941431609191972
  43. Andrew Cook, M.D., FACOGLos Gatos, CA 950321073609749
  44. Joseph D'Amico, MDSanta Clara, CA 950511598842429
  45. Michael Dahan, M.D.Stanford, CA 943051912040742
  46. Said Daneshmand, MDSan Diego, CA 921301750437752
  47. Hal Danzer, M.D.Beverly Hills, CA 902101114141561
  48. Bert Davidson, MDColton, CA 923241063547644
  49. Anne Davis, M.D.Solana Beach, CA 920751457617888
  50. Lynn Davis, M.D.Stanford, CA 943051144362294

Source: CMS NPPES, primary taxonomy 207VE0102X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 9 of 48 per resident

  1. Vermont0.9
  2. New Jersey0.9
  3. Hawaii0.8
  4. California0.7
  5. Maryland0.6
  6. Pennsylvania0.6
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 207VE0102X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.7% of these records appear in a Medicare file, against 70.3% 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. California69.7%
  2. United States70.3%

Reproductive Endocrinology Physician records in California, measured

  • In a Medicare file186 of 267 · 69.7% here, 70.3% nationally
  • In the CMS Doctors and Clinicians file26 · 9.7% here, 14.8% nationally
  • Not updated in five years or more162 · 60.7% here, 57.3% nationally
  • Median graduation year1993 · the 26 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207VE0102X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

267 NPPES records list reproductive endocrinology physician (207VE0102X) as their primary taxonomy with a practice address in California: 0.7 per 100,000 residents against 0.5 nationally (50 states and D.C.). Los Angeles has 33 of them (12%).

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 York206
  2. Texas150
  3. Florida93
  4. Pennsylvania83

States with a similar rate per 100,000

  1. Maryland0.6
  2. Illinois0.6
  3. Colorado0.6
  4. Utah0.6

The largest states

  1. New York206
  2. Texas150
  3. Florida93
  4. Pennsylvania83
  5. Illinois79

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.