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 176 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. Joshua Warolin, D.O.Madera, CA 936361356591200
  2. Patrick Warr, DOLoma Linda, CA 923541649965310
  3. Andrew Warren, DOEdwards Afb, CA 935241659020964
  4. James Warren, M.D.Pomona, CA 917671003887993
  5. Lisa Warren, D.O.Pomona, CA 917661124080544
  6. Joel WarshNorth Hollywood, CA 916021598134843
  7. Carl Warsowe, MDRoseville, CA 956611639278641
  8. Wendy Warwar, MDOxnard, CA 930361902305550
  9. Stephanie Washburn, M.D.Torrance, CA 905021154513240
  10. Lina Wasio, M.D.San Francisco, CA 941431326309436
  11. Linda Wasserman, MDLakeport, CA 954531851371181
  12. Paul Wassermann, M.D.Chico, CA 959261427054279
  13. Jeffrey Wasson, M.D.Santa Monica, CA 904011568686962
  14. Mina Wasson, MDSan Diego, CA 921301366753022
  15. Ralph Watchi, MDLos Angeles, CA 900271003846189
  16. Michael Waterfield, M.D.San Francisco, CA 941431700088069
  17. Elizabeth Waters, M.D.San Diego, CA 921141730477621
  18. Erica Waters, M.D.Stockton, CA 952071003811803
  19. Albe Watkins, MDGlendale, CA 912061497864631
  20. Chawn Watkins, M.D.Van Nuys, CA 914051932146719
  21. Cynthia Watler, M.D.Long Beach, CA 908061033156575
  22. Jenna Watson, MDRiverside, CA 925051548552920
  23. Lindsay Watson, MDFremont, CA 945381538400403
  24. Rachel Watson, M.D.Huntington Beach, CA 926471639532567
  25. Robert Watson, MDModesto, CA 953501659389559
  26. Stephen Watson, MDWoodland Hills, CA 913671073661948
  27. Sutthisri Watson, M.D.Los Altos, CA 940221487920484
  28. Tamara Watson, M.D.Santa Cruz, CA 950621295817989
  29. Timothy Watson, MDRiverside, CA 925061730114968
  30. James Watt, M.D.Richmond, CA 948041457567489
  31. Rachel Wattier, M.D.San Francisco, CA 941431548583396
  32. Michael Watts, M.D.Travis Afb, CA 945351942431168
  33. Robert Watts, MDOakland, CA 946191427000926
  34. Paula Watts-White, MDDavis, CA 956161457451494
  35. Stefanie Wauk, MD FAAPPalo Alto, CA 943011861615965
  36. Stacy Waung, CPNP-PCSignal Hill, CA 907551154999787
  37. Serena Way, MDCastro Valley, CA 945461952734600
  38. Erin Wayne, MDBellflower, CA 907061700934502
  39. Jacob Weatherly, MDSan Diego, CA 921201538520457
  40. Robert Weatherwax, M.D.Travis Afb, CA 945351669671806
  41. Amy Webb, M.D.Pismo Beach, CA 934491275538605
  42. Jana Webb, D.O.Redlands, CA 923741295834273
  43. Kenneth Webb, M.D.San Francisco, CA 941171487889663
  44. Laura Webb, MDMenlo Park, CA 940251104084110
  45. Nicole Webb, M.D.Oakland, CA 946111326280389
  46. Jonathan Weber, M.D.Los Angeles, CA 900271225390347
  47. Cathryn Wechsler, M.D.Glendora, CA 917401649370487
  48. Rungtiwa Weerasethsiri, M.D.Merced, CA 953481093951444
  49. Lauren Weger, M.D.Danville, CA 945261205027018
  50. Daniel Wei, M.D.Oakland, CA 946091134459365

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.