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 12 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. Leslie Buncher, MDRancho Santa Fe, CA 920671104187137
  2. Johanna Burch, MDAntioch, CA 945311700413010
  3. Lawrence Burden, MDPanorama City, CA 914021932268547
  4. Tamara Burg, MDStockton, CA 952101639241458
  5. Rafael Burgos, MDFresno, CA 937201588702575
  6. Judith Burichin, M.D.Ridgecrest, CA 935551336145739
  7. Duane BuringrudEscondido, CA 920251215971999
  8. Beatrice Burke, MDSan Mateo, CA 944011033298625
  9. Charlotte Burke, M.D.Union City, CA 945871932387727
  10. Jean Burke, MDAnaheim, CA 928071588731459
  11. Julia Burke, D.O.Santa Cruz, CA 950601578870812
  12. Sarah Burke, MDChico, CA 959261770842056
  13. Jenifer Burkhalter, MDElk Grove, CA 957581073588026
  14. Abigail Burns, MD, MSWSan Francisco, CA 941151053708602
  15. Diane Burns, MDHarbor City, CA 907101790833655
  16. Roshan Burns, MDLos Gatos, CA 950321023515566
  17. Khyla BurrowsSacramento, CA 958171215514252
  18. Demetra Burrs, M.D.Fremont, CA 945381770655300
  19. Lindsay BurtonOrange, CA 928681679008650
  20. Nicole Buscaglia, MDVallejo, CA 945891205914041
  21. Alma Bustamante Dayanghirang, M.D.Fresno, CA 937061902135577
  22. Gerardo Bustillo, M.D.Fountain Valley, CA 927081972631786
  23. Stacy Butler, M.D.Loma Linda, CA 923541659799385
  24. Olivia Butt, M.D.Alameda, CA 945011730320763
  25. Paul Buzad, MDSylmar, CA 913421134153331
  26. Brian Byrne, M.D.Murrieta, CA 925621467551994
  27. Marissa CaballesLoma Linda, CA 923541417334467
  28. Izumi Cabrera, M.D.San Francisco, CA 941091346430584
  29. John Cabrera, M.DGlendale, CA 912041992798730
  30. Michelle Cabrera, M.D.San Marcos, CA 920691174774723
  31. Milagros Cabrera, MDDaly City, CA 940151316026099
  32. Thomas Cachur, D.O.Corona, CA 928821225037047
  33. Lindsey Cafferata, MDOakland, CA 946111487889887
  34. Sigita Cahoon, M.D.Los Angeles, CA 900331962740746
  35. Amy Cai, MDRedwood City, CA 940631669552139
  36. Dung Cai, MDSan Jose, CA 951261124032792
  37. Stephanie Cai, MDSan Leandro, CA 945771396290565
  38. Susan Calder, MDSylmar, CA 913421760510838
  39. Jorge Calderon, M.D.San Marcos, CA 920781407800881
  40. Alexa Calfee, MD MPHSonora, CA 953701508108978
  41. Amanda Calhoun, MDOakland, CA 946111326110172
  42. Siobhan Calhoun, MDFremont, CA 945381396726295
  43. Lynne Calkins, CRNPVista, CA 920831730170515
  44. Tad Callahan, MDSanta Maria, CA 934541225112931
  45. Kimberly Callegari, MDLos Angeles, CA 900271144389768
  46. Ryan Callery, M.D.Stockton, CA 952101144506643
  47. Olivia Callese, M.D.Harbor City, CA 907101518498872
  48. Christine Cambridge, MDCameron Park, CA 956821366590184
  49. John Campbell, M.D.Claremont, CA 917111427329770
  50. Molly Campbell, M.D.Galt, CA 956321447652524

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.