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 91 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. Marylou Thelmo, M.D.Brawley, CA 922271831465178
  2. Simone ThibaultSacramento, CA 958171700535663
  3. Mari-Paule Thiet, MDSan Francisco, CA 941431790836211
  4. Alexander ThomasLoma Linda, CA 923541376108456
  5. Angelyn Thomas, M.D.Berkeley, CA 947041033225636
  6. Annette Thomas, MDSan Jose, CA 951191962588814
  7. Jeffrey Thomas, M.D.Fresno, CA 937211831115807
  8. Kimeshia Thomas, MDPasadena, CA 911051346778578
  9. Konrad Thomas, MDTracy, CA 953771801870035
  10. Marina Thomas, MDSan Diego, CA 921231285196881
  11. Robert Thomas, MDCalexico, CA 922311467566596
  12. Shan Thomas, MDTempleton, CA 934651821017294
  13. Sherry Thomas, MD MPHWestlake Village, CA 913611932154580
  14. Virginia Thomas, M.D.Santa Clara, CA 950511851652572
  15. Gamin Thomason, MDPetaluma, CA 949541720162704
  16. Barbara Thompson, MDRichmond, CA 948011871678532
  17. Justin Thompson, MDPalo Alto, CA 943041598175655
  18. Steven Thompson, M.D.Truckee, CA 961611013905496
  19. Samantha Thomson, MDLa Jolla, CA 920371689013468
  20. Jana Thor, DOBakersfield, CA 933061114284718
  21. Olga Thorne, M.D.Sacramento, CA 958231144400656
  22. Amanda Thorson, DOSan Luis Obispo, CA 934011366904575
  23. Susan Tien, M.D.San Francisco, CA 941151932309168
  24. Kevin Khai Tieu, MDFountain Valley, CA 927081154397768
  25. Sarah Tilford, M.D.San Diego, CA 921711194139766
  26. Candice Tilles, M.D.Santa Monica, CA 904041710319579
  27. Ian TilleyLos Angeles, CA 900151891820080
  28. Matthew Tilstra, MDModesto, CA 953551235576638
  29. Patti Tilton, MDSacramento, CA 958231639257371
  30. Zoe Tilton, M.D.Davis, CA 956161841399516
  31. Vivien Tin, MDAntioch, CA 945091619041225
  32. Yolanda Tinajero, MDSan Francisco, CA 941101457855447
  33. Imelda Tio, M..D.West Hills, CA 913071053404830
  34. Yaowainart Tiptus, M.D.San Jose, CA 951201396871513
  35. Sienna Titen, M.D.Santa Cruz, CA 950651760745038
  36. Leslie Tittle, MDBaldwin Park, CA 917061174690077
  37. My-Le To, D.O.Woodland, CA 956951265621197
  38. William To, M.D.Los Angeles, CA 900481215124490
  39. Claire Tobias, M.D.San Francisco, CA 941151174972517
  40. Alicia Tobin-Williams, MDCameron Park, CA 956821811942204
  41. Victoria Tobon, MDPacific Palisades, CA 902721114129640
  42. Audrey Toda, M.D.Union City, CA 945871538350343
  43. Christine Todd, M.D.Murrieta, CA 925621225488075
  44. Gary Toig, M.D.Redwood City, CA 940631881771798
  45. Douglas Tolley, M.D.Yuba City, CA 959911649203175
  46. Geoffrey Tom, MDFresno, CA 937201669550562
  47. Kathy Tom, DOModesto, CA 953561891135844
  48. Candice Tong, M.D.Mountain View, CA 940401427222686
  49. Wenting Tong, MDSan Jose, CA 951191992264881
  50. Paul Toomer, M.D.Thousand Oaks, CA 913601568472561

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.