NPPES file of Aug 9, 2026

Obstetrics & Gynecology Physician in California

5,088 NPPES records list obstetrics & gynecology physician with a practice address in California, 13 per 100,000 residents, the 29th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 69 of 102.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207V00000X · 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, 381

  1. Los Angeles381
  2. San Diego279
  3. San Francisco250
  4. Sacramento198
  5. San Jose129

Obstetrics & Gynecology Physician records in California

  1. Helen Otteno, MDElk Grove, CA 957581710298435
  2. Carl Otto, MDSan Francisco, CA 941181275551087
  3. Payton OttumLa Jolla, CA 920371154900785
  4. Jennifer Overbey, M.D.Sacramento, CA 958231790996072
  5. Rachael Overcash, MDSan Diego, CA 921031588826432
  6. Katherine Overton, M.DGoshen, CA 932271902836893
  7. John Owens, M.DBakersfield, CA 933011083665467
  8. Sarah Owens, MDStanford, CA 943051922687151
  9. Robert Ozaki, M.D.Los Angeles, CA 900131730108374
  10. Jennifer Ozeir, M.D.Sacramento, CA 958171164599536
  11. John Ozimek, DOWest Hollywood, CA 900481417277393
  12. Stacy Paar, MDOakland, CA 946011871086017
  13. John Paas, M.D.Orange, CA 928681245322908
  14. Joanne Pace, MDLos Angeles, CA 900271740351642
  15. Cori Pachtman, MDAntioch, CA 945311902984081
  16. Estella Pacificar, MDWest Covina, CA 917901356496285
  17. Lilia Pacini, M.D.Palm Springs, CA 922621205924883
  18. Lisa Packard, M.D.Mountain View, CA 940401326282476
  19. Claire Packer, MD, MPHSan Francisco, CA 941431730641275
  20. Benjamin Padilla, MDSan Diego, CA 921201073661880
  21. Joahnna Padilla, MDWoodland, CA 956951174545370
  22. Yvette Padilla, M.D.Ventura, CA 930041396032702
  23. Cheryl Padin, MDRedwood City, CA 940631487732038
  24. Sarah Padua, MDSanta Rosa, CA 954031295296002
  25. Pantea Pahlavan, M.D.Fairfield, CA 945331427021583
  26. Clara Paik, M.D.Sacramento, CA 958171508849035
  27. Aela Paiz, DOLos Angeles, CA 900371689817892
  28. Janie Pak, M.D., M.P.H.San Diego, CA 921541063777589
  29. Marian Pak, D.O.Los Angeles, CA 900271790128841
  30. Marita PallLos Angeles, CA 900481285959700
  31. Steven Palmer, MDVisalia, CA 932911588760185
  32. Cheryl Pan, MDSan Jose, CA 951281750486239
  33. Elaine Pan, MDFontana, CA 923351821165721
  34. Ambujam Panchanathan, M.D.Los Angeles, CA 900071730223330
  35. Lindsey Pane, MDSacramento, CA 958161326402637
  36. Kin Pang, M.D.Tulare, CA 932741992867964
  37. Priya Panneerselvam, D.O.Fresno, CA 937211164961439
  38. Ivy Panoy, NPMonterey Park, CA 917541164174108
  39. Sharon PaoStanford, CA 943051285987636
  40. Daphne Papathomas, M.D.Monterey, CA 939401023549243
  41. Nilima Parekhji, M.D.Los Gatos, CA 950321386641371
  42. Alane Park, M.D.Los Angeles, CA 900171992806038
  43. Arthur Park, M.D.Bakersfield, CA 933111992738843
  44. Hillary Park, DOSanta Cruz, CA 950651184288706
  45. Hyunkyo Park, M.DSan Jose, CA 951281699869743
  46. Il Park, MDBellflower, CA 907061548318595
  47. Jean Park, MD. MPHFontana, CA 923351205098183
  48. Jennifer Park, M.D.Pasadena, CA 911051467499228
  49. Jung Park, M.D.Downey, CA 902411508872243
  50. Kelly Park, D.O.Antioch, CA 945311346536349

Source: CMS NPPES, primary taxonomy 207V00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 29 of 51 per resident

  1. Wisconsin13
  2. Ohio13
  3. Washington13
  4. California13
  5. Indiana13
  6. Georgia13
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 207V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.5% of these records appear in a Medicare file, against 75.6% 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. California73.5%
  2. United States75.6%

Obstetrics & Gynecology Physician records in California, measured

  • In a Medicare file3,740 of 5,088 · 73.5% here, 75.6% nationally
  • In the CMS Doctors and Clinicians file2,703 · 53.1% here, 60.3% nationally
  • Not updated in five years or more3,239 · 63.7% here, 56.2% nationally
  • Median graduation year2004 · the 2,700 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

5,088 NPPES records list obstetrics & gynecology physician (207V00000X) as their primary taxonomy with a practice address in California: 13 per 100,000 residents against 14 nationally (50 states and D.C.). Los Angeles has 381 of them (7%).

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. Texas3,524
  2. New York3,174
  3. Florida2,601
  4. Illinois2,062

States with a similar rate per 100,000

  1. Indiana13.0
  2. Georgia13.0
  3. Washington13.3
  4. Ohio13.3

The largest states

  1. Texas3,524
  2. New York3,174
  3. Florida2,601
  4. Illinois2,062
  5. Pennsylvania1,974

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.