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 89 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. Celeste Swain, MDSan Francisco, CA 941151225598964
  2. Nicole Swank, D.O.Sacramento, CA 958231184014318
  3. Debra Swanson, M.D.Sacramento, CA 958171588648877
  4. Gary Swanson, M.D.Camarillo, CA 930101255499158
  5. John Swanson, MDClovis, CA 936111255433025
  6. Megan Swanson, M.D.San Francisco, CA 941431073802310
  7. Denise Sweeney, MEDICAL DOCTORGranite Bay, CA 957461841267960
  8. Richard Sweet, M.D.Sacramento, CA 958171790768927
  9. Elizabeth Swenson, MDSan Francisco, CA 941291114094331
  10. Susan Sykes, MDOakland, CA 946011326182957
  11. Ricci Regina Sylla, M.D.Santa Clara, CA 950511083980742
  12. Tracey Sylvester, MDLos Angeles, CA 900341316086010
  13. H Synn, M.D.Clovis, CA 936111902831274
  14. Libby Szeto, MDPalo Alto, CA 943041740749662
  15. Thuc Ta, M.D.Ventura, CA 930041497072128
  16. Eric Tabas, M.D.San Francisco, CA 941081194744722
  17. Parviz Tabibian, MDHollister, CA 950231588775522
  18. Kamrooz Tabibzadeh, M.D.Panorama City, CA 914021003965658
  19. Doreen Tadokoro, D.O.Bakersfield, CA 933011093975617
  20. Lon Taff, M.D.Sacramento, CA 958231548254295
  21. Eneti TagaloaBakersfield, CA 933061699424028
  22. Ashley TaggartLos Altos, CA 940221962865006
  23. Mona Tahilramaney, M.D.Torrance, CA 905031639183502
  24. Judy Tai, MDCampbell, CA 950081669546263
  25. Deena Tajran, MD FACOGSan Diego, CA 921261891757217
  26. Alton Takabayashi, MDLos Angeles, CA 900341942377759
  27. Carol Takami, MDWoodland Hills, CA 913671093874679
  28. Michelle Takase-Sanchez, MDVentura, CA 930031881896850
  29. Charles Taksa, M.D.Lindsay, CA 932471841229820
  30. Paul Talise, M.D.San Diego, CA 921341295046464
  31. Zharmila TalmadgeAlameda, CA 945011366384901
  32. Jonathan Tam, M.D.Pasadena, CA 911061013942952
  33. Karbo Tam, M.D.Oakland, CA 946011659553410
  34. Seyed Tamjidi, MDBakersfield, CA 933011407923428
  35. Karen Tammela, MDSanta Maria, CA 934541396770905
  36. Kimi Tamura, MDPanorama City, CA 914021376691246
  37. Benita Tan, MDHayward, CA 945411306967609
  38. Connie Tan, M.DMountain View, CA 940401538184973
  39. Irene Tan, M.D.Simi Valley, CA 930651699942425
  40. Lily Tan, MDSan Francisco, CA 941151437237062
  41. Lindsay Tan, MDRiverside, CA 925051457409245
  42. Susan Tan, MDBarstow, CA 923111558451112
  43. Teresa Tan, MDMountain View, CA 940401386910636
  44. Tina Tan, MDSan Jose, CA 951281629113675
  45. Winona Tan, M.D.Palo Alto, CA 943011003904350
  46. Kacey TanabeMonterey Park, CA 917541265364269
  47. Vaya TanamaiLaguna Hills, CA 926531689916835
  48. Bill Tang, M.D.W Covina, CA 917901447216510
  49. Minh Tang, M.D.Hanford, CA 932301972782894
  50. Nancy Tang, M.D.Dublin, CA 945681326369554

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.