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 179 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. Linidia Willies-Jacobo, M.D.San Diego, CA 921231174556179
  2. Mary Willis, M.D.San Diego, CA 921341104998053
  3. Anthony Wills, M.D.Elk Grove, CA 957581588832281
  4. Kyle Willsey, DOTarzana, CA 913561568881696
  5. Christine Wilson, MDYorba Linda, CA 928861285260216
  6. Frances Wilson, MDSacramento, CA 958251144392960
  7. Jeffrey Wilson, MDRoseville, CA 956611417035189
  8. Lauren Wilson, PNPSacramento, CA 958251972847747
  9. Mary Wilson, MD, MPHSacramento, CA 958271588636781
  10. Matthew Wilson, M.D.Loma Linda, CA 923501942567672
  11. Rujuta Wilson, M.D.Los Angeles, CA 900951396061461
  12. Stephen Wilson, M.D., PH.D.San Francisco, CA 941431558398628
  13. Suzanne Wilson, M.B., CH.B.Oakland, CA 946091255373247
  14. Emily Win, MDBakersfield, CA 933061427435379
  15. Khin Win, MDSan Jose, CA 951191285710798
  16. Olivia Winarko, M.D.Rossmoor, CA 907201760750590
  17. Britanny WincklerOrange, CA 928681578926606
  18. John Winkelman, M.D.Santa Ana, CA 927051093804163
  19. Danielle Winkler, M.D.Temecula, CA 925921245339787
  20. Heidi Winkler, M.D.Santa Fe Springs, CA 906701265456636
  21. Phoebe Winn, MDSan Francisco, CA 941431821559956
  22. Robin Winokur, M.D.Berkeley, CA 947031285668905
  23. Gary Winston, MDBenicia, CA 945101033144423
  24. Karen Winston, M.D.Yucaipa, CA 923991659394138
  25. Amy Winter, MDSalinas, CA 939011184144677
  26. Brian Winter, M.D.Temecula, CA 925901467550699
  27. Susan Winter, M.D.Madera, CA 936381679686653
  28. Sharon Wirawan Jimenez, M.D.Playa Vista, CA 900941528486024
  29. Laurie Wirthlin, MDEureka, CA 955031174612550
  30. Trent Wise, MDFolsom, CA 956301811075583
  31. Paula Witherspoon, M.D.San Diego, CA 921341235367327
  32. Jessica Witkowski, MDSacramento, CA 958171932466950
  33. Debra Witter, MDNewark, CA 945601184686255
  34. Sarah Woerner, M.D.Grass Valley, CA 959451306861273
  35. Ronald Woerpel, MDCarlsbad, CA 920081700896776
  36. Ann Wolf, M.D.Belmont, CA 940021194926253
  37. Kimberly Wolf, DOFairfield, CA 945331326363581
  38. Laura Wolfe, MDSan Diego, CA 921231427751759
  39. Tierney WolfeSan Jose, CA 951191316301120
  40. Michael Wolke, M.D.Los Angeles, CA 900271699854554
  41. Sharon Wollaston, M.D.Burbank, CA 915051578604237
  42. Ursula Wollschlaeger, M.D.San Jose, CA 951281588861108
  43. Jacob Wolsztejn, M.D.Santa Ana, CA 927041699708487
  44. Linda Wommack, MDNapa, CA 945581396823126
  45. Christine Won, M.D.Fullerton, CA 928351134285794
  46. Aline Wong, M.D.Long Beach, CA 908131447420989
  47. Allan Wong, MDOrange, CA 928681831224450
  48. Alson Wong, MDFontana, CA 923351710059043
  49. Angela Wong, MDSan Francisco, CA 941151184702748
  50. Arlene Wong, M.D.San Diego, CA 921081508001504

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.