NPPES file of Aug 9, 2026

Pediatric Anesthesiology Physician in California

240 NPPES records list pediatric anesthesiology physician with a practice address in California, 0.6 per 100,000 residents, the 15th highest rate of 47. San Diego and Palo Alto have the most; each record links to the provider's NPI and the California license search. Page 5 of 5.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207LP3000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 52

  1. San Diego52
  2. Palo Alto49
  3. Los Angeles32
  4. Stanford21
  5. Sacramento17

Pediatric Anesthesiology Physician records in California

  1. Kathleen Than, D.O.Los Angeles, CA 900271659717320
  2. Jennifer Ting, M.D.San Diego, CA 921231891729935
  3. Dennis Tong, M.D.Los Angeles, CA 900271831229632
  4. Debra Torosian, D.O.Madera, CA 936361972705655
  5. Jacqueline Tran, MDSan Diego, CA 921231346867355
  6. Levina Tran, M.D.Walnut Creek, CA 945961841428984
  7. Sharon Tran, DOLong Beach, CA 908061205463536
  8. Joanna Treder Kawecki, MDTustin, CA 927821609145549
  9. Co Truong, M.D.San Diego, CA 921231124350657
  10. Justin Tsai, M.D.Madera, CA 936361518305911
  11. Chi-Ho Tsui, MDStanford, CA 943051457807935
  12. James Turnbull, MDPalo Alto, CA 943041871392662
  13. George Ulma, M.D.San Diego, CA 921231295765196
  14. Karen Vanderwall, M.D.San Diego, CA 921231639103781
  15. Richard Villegas, MDSan Diego, CA 921231497079099
  16. Victoria Vo, M.D.Loma Linda, CA 923541760709166
  17. Rajeev Wadia, MDSacramento, CA 958171841455235
  18. Christian Walker, M.D.Los Angeles, CA 900271306073408
  19. Sarah Walton, MDMadera, CA 936361316965882
  20. Ellen Wang, MDPalo Alto, CA 943041376612713
  21. Emily Wang, M.D., M.B.ASan Diego, CA 921201750607180
  22. Tammy Wang, MDStanford, CA 943051619014800
  23. Nicholas Wasson, M.D.San Diego, CA 921231538397997
  24. Vinit Wellis, M.D.San Diego, CA 921231467483313
  25. Catherine Whang, M.D.Cerritos, CA 907031417920380
  26. Julie Williamson, DOPalo Alto, CA 943041194862532
  27. Christel Wittenstein, M.D.Santa Barbara, CA 931051225251903
  28. Christine WongLos Angeles, CA 900271699034645
  29. Robert Wong, M.D.West Hollywood, CA 900481518207471
  30. Tina Wong, MDSan Diego, CA 921231265634992
  31. Howard Worthen, M.D.San Diego, CA 921231174554026
  32. James Xie, MDPalo Alto, CA 943041740608595
  33. Gibbs Yim, MDLoma Linda, CA 923541437655859
  34. Jennifer YooSan Jose, CA 951281578067823
  35. Geneva Young, M.D.Sacramento, CA 958171134359755
  36. Jeffrey Yu, MDStanford, CA 943051104455898
  37. Ian Yuan, MDSan Diego, CA 921031235391897
  38. Romy Yun, MDPalo Alto, CA 943041134317068
  39. Nan Zhu, M.D.West Hollywood, CA 900481184954430
  40. Andrew Zimmerman, M.D.San Diego, CA 921231932134251

Source: CMS NPPES, primary taxonomy 207LP3000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 15 of 47 per resident

  1. Arizona0.7
  2. Oregon0.7
  3. Arkansas0.7
  4. California0.6
  5. Wisconsin0.6
  6. Florida0.6
  7. 50 states and D.C.0.6

Source: CMS NPPES, primary taxonomy 207LP3000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

62.5% of these records appear in a Medicare file, against 65.3% 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. California62.5%
  2. United States65.3%

Pediatric Anesthesiology Physician records in California, measured

  • In a Medicare file150 of 240 · 62.5% here, 65.3% nationally
  • In the CMS Doctors and Clinicians file136 · 56.7% here, 56.1% nationally
  • Not updated in five years or more87 · 36.3% here, 42.1% nationally
  • Median graduation year2009 · the 136 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207LP3000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

240 NPPES records list pediatric anesthesiology physician (207LP3000X) as their primary taxonomy with a practice address in California: 0.6 per 100,000 residents against 0.6 nationally (50 states and D.C.). San Diego has 52 of them (22%).

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. Ohio213
  2. Texas160
  3. Pennsylvania145
  4. Florida130

States with a similar rate per 100,000

  1. Arkansas0.7
  2. Wisconsin0.6
  3. Oregon0.7
  4. Oklahoma0.6

The largest states

  1. Ohio213
  2. Texas160
  3. Pennsylvania145
  4. Florida130
  5. Colorado98

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.