NPPES file of Aug 9, 2026

Pediatrics Physician in California

9,272 NPPES records list pediatrics physician with a practice address in California, 24 per 100,000 residents, the 14th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 168 of 186.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208000000X · 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, 919

  1. Los Angeles919
  2. San Francisco514
  3. San Diego454
  4. Oakland338
  5. Palo Alto321

Pediatrics Physician records in California

  1. Chin TsaiLoma Linda, CA 923541487237624
  2. Daryl Tsai, M.D.Chino Hills, CA 917091447235080
  3. Ho Chie Tsai, MDPleasant Hill, CA 945231912914755
  4. Hugh Tsai, MDLos Angeles, CA 900331902001597
  5. Irene Tsai, M.D.San Bernardino, CA 924081073795027
  6. Janice Tsai, M.D.Moreno Valley, CA 925571386902211
  7. Jessica Tsai, M.D.Antioch, CA 945311174904312
  8. Patrika Tsai, MDSan Francisco, CA 941431659430049
  9. Shi-Chin Tsai, MDBellflower, CA 907061437226255
  10. Shirley Tsai, MDOakland, CA 946111760560536
  11. Ta-Ming Tsai, MDRedwood City, CA 940631194803791
  12. Yvonne Tsai, M.D.Los Angeles, CA 900951215046016
  13. Bertha Tsai-Tulagan, D.O.La Mesa, CA 919421417914268
  14. Ruey-Shiuan Tsang, M.D.San Diego, CA 921231518228188
  15. Wallace Tsang, M.D.Saratoga, CA 950701952851321
  16. Michael Tsao, MDSanta Clara, CA 950511992883573
  17. Peggy Tse, M.D.Irvine, CA 926181477508869
  18. Tiffanie Tse, M.D.San Rafael, CA 949031275827347
  19. Anna Tseng, M.D.Palo Alto, CA 943041558383901
  20. Farn-Hsuan Tseng, MDTorrance, CA 905021861953697
  21. Teresa Tseng, M.D.Escondido, CA 920251043535255
  22. Vivien Tseng, MDElk Grove, CA 957581184798787
  23. Yu-Tzu Tseng, M.DSanta Clara, CA 950511134484850
  24. Chung Tsi, M.D.Long Beach, CA 908131225126311
  25. Jenny Tsiang, M.D.Whittier, CA 906021790947356
  26. Nicholas Tsoulos, MDEscondido, CA 920251649241662
  27. Jacquelynn Tsu, M.D.San Jose, CA 951281427091990
  28. Erin Tsuchimoto, MDOakland, CA 946021902816572
  29. Toshimasa Tsuda, MDRiverside, CA 925051366501934
  30. John Tsukahara, M.D.San Francisco, CA 941151003838327
  31. Mitsuhiko Tsukimoto, M.D.Loma Linda, CA 923541447518964
  32. Susy Tsuruta, M.D.Chula Vista, CA 919131154708378
  33. Alexander Tu, M.D.Newport Beach, CA 926601851598544
  34. Christin TuLoma Linda, CA 923501346771607
  35. Ellen Tu, MDMilpitas, CA 950351205497138
  36. Emilee Tu, MDSan Francisco, CA 941431356091094
  37. Marinda Tu, M.D.Los Angeles, CA 900951518069608
  38. Serena Tu, MDGlendale, CA 912041922088459
  39. Teresa Tuan, M.D.San Francisco, CA 941431578880027
  40. Adrienne Tuch, MDMountain View, CA 940411609953538
  41. Jennifer Tucker, M.D.Anaheim, CA 928071659708436
  42. Nanci Tucker, M.D.San Francisco, CA 941321639214711
  43. Lynnia Tuckfield, MDLos Gatos, CA 950321295312098
  44. Daniel TuellerOrange, CA 928681851193759
  45. Joanna Tukaj, M.D.Covina, CA 917221336407923
  46. Denise Tukenmez, MDOakland, CA 946021033296066
  47. Joseph Tulagan, M.D.National City, CA 919501598722555
  48. Jagdeep Tuli, MDFresno, CA 937211962929190
  49. Pranee Tulyathan-Uniat, MDFontana, CA 923351124199161
  50. Amy Tun, M.D.Fremont, CA 945381861718801

Source: CMS NPPES, primary taxonomy 208000000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 14 of 51 per resident

  1. Illinois25
  2. Ohio25
  3. Missouri25
  4. California24
  5. New Hampshire24
  6. New Jersey23
  7. 50 states and D.C.22

Source: CMS NPPES, primary taxonomy 208000000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

30.5% of these records appear in a Medicare file, against 36.4% 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. California30.5%
  2. United States36.4%

Pediatrics Physician records in California, measured

  • In a Medicare file2,831 of 9,272 · 30.5% here, 36.4% nationally
  • In the CMS Doctors and Clinicians file754 · 8.1% here, 8.7% nationally
  • Not updated in five years or more6,017 · 64.9% here, 58.4% nationally
  • Median graduation year2012 · the 754 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208000000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

9,272 NPPES records list pediatrics physician (208000000X) as their primary taxonomy with a practice address in California: 24 per 100,000 residents against 22 nationally (50 states and D.C.). Los Angeles has 919 of them (10%).

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. New York5,795
  2. Texas5,641
  3. Florida3,996
  4. Pennsylvania3,382

States with a similar rate per 100,000

  1. New Hampshire23.5
  2. New Jersey23.5
  3. Virginia23.2
  4. American Samoa22.8

The largest states

  1. New York5,795
  2. Texas5,641
  3. Florida3,996
  4. Pennsylvania3,382
  5. Illinois3,176

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.