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 14 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. Georgina Centeno Duran, MDKing City, CA 939301871219063
  2. Victoria Cerda, MD, MPHLos Angeles, CA 900481265929715
  3. Mirela CernaianuThousand Oaks, CA 913611467465120
  4. Elizabeth Cerrone, D.O.San Diego, CA 921231932147329
  5. Sandra Cervantes, MDSan Diego, CA 921041073701041
  6. Polieno Cespon, MDSouth Pasadena, CA 910301427125871
  7. Rick Chac, M.D.Chula Vista, CA 919101538347760
  8. Kelly Chacon, MDLa Jolla, CA 920371336608314
  9. Nicole Chadwick, M.D.Glendale, CA 912081982136610
  10. Jaswant Chahal-Matharu, M.D.Fresno, CA 937201295842953
  11. Priya Chakrabarti, MDSan Diego, CA 921131326531401
  12. Dennis Chamberlain, MDFreedom, CA 950191437153335
  13. Rachel Chamberlain, DOBishop, CA 935141902293277
  14. Melissa Chambers, MDLos Angeles, CA 900951538796594
  15. Avis Chan, MD, MSSanta Clara, CA 950511831727056
  16. Charles Chan, M.D.Monterey Park, CA 917541326105743
  17. Clara ChanLos Angeles, CA 900951609286012
  18. Elena Chan, MDHayward, CA 945451346738267
  19. Eric Chan, M.D.Arroyo Grande, CA 934201780773044
  20. Erica Chan, MDSalinas, CA 939011164607131
  21. Hugo Chan, MDYuba City, CA 959911891878492
  22. Ira Chan, M.D.Sunnyvale, CA 940861972618866
  23. Johol Chan, D.O.Salinas, CA 939051902867187
  24. Odin Chan, MDPanorama City, CA 914021659430270
  25. Pamela Chan, M.D.San Francisco, CA 941151083740146
  26. Philip Chan, M.D.Alhambra, CA 918011174681134
  27. Sai-Wing Chan, MDSanta Clara, CA 950511508285180
  28. Shirley ChanGlendale, CA 912061609830348
  29. Sophia Chan, MDSanta Rosa, CA 954031649854704
  30. Vanessa Chan, M.D.Oakland, CA 946091114960747
  31. Victor Chan, M.D.Sacramento, CA 958161801840541
  32. Virginia Chan, D.O.Palo Alto, CA 943041134329972
  33. Rachel Chan Seay, MDStanford, CA 943051578790127
  34. Chandri Chandavarkar, MDSanta Clara, CA 950511992884035
  35. Kalaokalani Chandler, M.D.Castro Valley, CA 945461164459947
  36. Dean Chang, MDBellflower, CA 907061306917380
  37. Elbert Chang, D.O.Downey, CA 902401215460712
  38. Emily ChangSanta Clara, CA 950511740866284
  39. Esther Chang, M.D.San Francisco, CA 941331699764274
  40. Francis Chang, M.D.Irvine, CA 926061215128087
  41. Heidi Chang, MDWalnut Creek, CA 945981649681982
  42. Helen Chang, M.D.Poway, CA 920641811099740
  43. Henry Chang, MDFairfield, CA 945331538247374
  44. Jennie Chang, M.D.Pasadena, CA 911051982668422
  45. Jeremy Chang, MDMission Viejo, CA 926911679004691
  46. Jitsen Chang, M.D.Santa Monica, CA 904041295033892
  47. Lisa Chang, DOLos Angeles, CA 900481437314218
  48. Lisbeth Chang, MDNorthridge, CA 913251861551541
  49. Stephanie Chang, MDLoma Linda, CA 923541912585654
  50. Tiffany ChangBeverly Hills, CA 902121144873266

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.