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 92 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. Gurleen Toor, NPApple Valley, CA 923071790598837
  2. Nicole Topp, MDStanford, CA 943051609153956
  3. Kamran Torbati, MDTarzana, CA 913561639183056
  4. Stephen Torday, M.D.Fountain Valley, CA 927081659451458
  5. Naomi Torgersen, MDRichmond, CA 948011972675627
  6. Elizabeth Toro, M.D.Santa Barbara, CA 931061316009285
  7. Juan Torres, M.D.Oxnard, CA 930301487629473
  8. Karen Toubi, D.OBeverly Hills, CA 902101013322320
  9. Karim Toursarkissian, M.D.Redlands, CA 923731124074166
  10. Diana Tovar, MDBaldwin Park, CA 917061891862736
  11. Esther Tow-Der, M.D.Modesto, CA 953551427008028
  12. Danielle Towne, MDSan Diego, CA 921201114075108
  13. Bich-Van T Tran, MDOrange, CA 928681912091273
  14. Bryan Tran, MDMission Viejo, CA 926911750504387
  15. Christie Tran, DOTustin, CA 927821790364123
  16. Diana Tran, M.D.Fontana, CA 923351114119328
  17. Dzu Tran, MDWestminster, CA 926831821025032
  18. Hanh Tran, DOFremont, CA 945381154554228
  19. Hoa Tran, MDAnaheim, CA 928071689741571
  20. Kevin Tran, MDBaldwin Park, CA 917061346638491
  21. Khanh Hien Tran, MDRoseville, CA 956611578126504
  22. Nam Tran, MD, PH.DSan Francisco, CA 941091780710418
  23. Theresa Tran, D.O,Murrieta, CA 925621306165790
  24. Thuc Tran, M.D.Garden Grove, CA 928441669580064
  25. Tiffany Tran, MDMission Viejo, CA 926911447370218
  26. Van Tran, MDMonterey Park, CA 917541063949972
  27. Xuananh Tran, MDMountain View, CA 940401689616690
  28. Yen Tran, D.OHuntington Beach, CA 926481750519880
  29. Diana Tran-Kim, D.O.Fountain Vly, CA 927081366867327
  30. Mark Treger, M.D.Carlsbad, CA 920111821368242
  31. Jacqueline Trejo, M.D.Santa Monica, CA 904041366561433
  32. Michael Trifiro, MDSacramento, CA 958171396979688
  33. Robert TrifunovicEscondido, CA 920251700820305
  34. Thanh-Mai Trinh, MDGarden Grove, CA 928431578589560
  35. April Tritto, M.D.Walnut Creek, CA 945961184825135
  36. Wilbur Troutman, M.D.Lynwood, CA 902621730204207
  37. Lloyd Trujillo, MDLompoc, CA 934361508817271
  38. Wayneab Truneh, MDSunnyvale, CA 940861447367792
  39. Christina Truong, M.D.Los Angeles, CA 900331457589764
  40. Diem Truong, MDMilpitas, CA 950351356428296
  41. Hiep Truong, M.D.Fountain Valley, CA 927081578520151
  42. Lan TruongTulare, CA 932741013100874
  43. Ly Truong, MDModesto, CA 953561518019744
  44. Mireille Truong, M.D.West Hollywood, CA 900481558536763
  45. Sieu Truong, M.D.Encinitas, CA 920241194751941
  46. Yen Truong, MD, MPHSacramento, CA 958171780850016
  47. Phuong Truong-Yue, MDDowney, CA 902401194769232
  48. Sudhi Trye, M.D.San Francisco, CA 941031093057002
  49. Chieh Tsai, M.D.Merced, CA 953481497753024
  50. Cindy TsaiTorrance, CA 905031063807311

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.