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 101 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. James Yip, M.D.Modesto, CA 953551619929429
  2. Mey Yip, M.D.Burbank, CA 915051336671825
  3. Edan Yodfat, M.D.Ventura, CA 930041750576880
  4. Kris Yogam, MDMountain View, CA 940401265528053
  5. Jay Yoo, M.D.Anaheim, CA 928041275623340
  6. Sang Yoo, M.D.La Palma, CA 906231255428215
  7. Janel Yoshida, MDSanta Ana, CA 927041538112826
  8. Danny Younes, M.D.Torrance, CA 905021467893222
  9. Brenda YoungDaly City, CA 940151467032136
  10. Corey Young, MDSan Jose, CA 951281770765034
  11. Deanna Young, M.D.Oceanside, CA 920571619232642
  12. Katie Young, MDLos Angeles, CA 900331366068215
  13. Michelle Young, MDSanta Clara, CA 950511356428288
  14. Oscar Young, D.O.Fresno, CA 937201518130822
  15. Raymond Young, M.D.Fremont, CA 945381508829763
  16. Robert Young, M.D.Jackson, CA 956421790777662
  17. Samuel Young, M.D.San Francisco, CA 941331588737894
  18. Stacy Young, M.D.Hayward, CA 945451669715983
  19. Stephen Young, M.D.Union City, CA 945871790863546
  20. Victoria Young, MDSan Diego, CA 921281275554941
  21. Nichole Young-Lin, MDPalo Alto, CA 943041700272937
  22. Deborah Yu, M.D.Pasadena, CA 911051205907342
  23. Emily YuSan Mateo, CA 944011578776639
  24. Hans Yu, D.O.Bakersfield, CA 933111891937827
  25. Ivy Yu, MDOakland, CA 946111003980699
  26. Jean Yu, M.D.San Francisco, CA 941151548407950
  27. Jerry Yu, MDFontana, CA 923351497826473
  28. Lauren Yu, M.D.Orange, CA 928681720468077
  29. Michelle Yu, M.D.Monterey Park, CA 917541851302194
  30. Pauline Yu, M.D.Santa Clara, CA 950511588846133
  31. Samuel Yu, MDFremont, CA 945381588749253
  32. Steve Yu, MDNorthridge, CA 913251528251410
  33. Tina Yu, MDBaldwin Park, CA 917061699890194
  34. Xiaoqian YuFremont, CA 945381962846964
  35. Frances Yuan, MD.Valencia, CA 913551285665604
  36. Jessica YuanCarson, CA 908101568969913
  37. Valerie Yuan, M.D.Torrance, CA 905021912244245
  38. Alice Yun, M.D.Glendale, CA 912081831190099
  39. Esther Yun, MDSan Jose, CA 951241992951214
  40. Jane Yun, M.D.Loma Linda, CA 923541124225164
  41. Alice Yung, MDPasadena, CA 911061851403224
  42. Alyssa Zackler, M.D.Valencia, CA 913551720341241
  43. Hamid Zadeh, M.D.Imperial, CA 922511043497860
  44. Puja Zafar, M.D.Los Angeles, CA 900951699959106
  45. Mojgan Zafary-Daftary, M.D.Simi Valley, CA 930651861726135
  46. Benjamin Zaghi, MDPlaya Vista, CA 900941336644293
  47. Amira Zaid, MDSacramento, CA 958341568742054
  48. Angelica Zaid, M.D.Encinitas, CA 920241861401945
  49. Mohamed Zaki, M.D.Santa Barbara, CA 931051750335352
  50. Richard Zalar, MDFallbrook, CA 920281609105519

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.