NPPES file of Aug 9, 2026

Physician Assistant in California

14,451 NPPES records list physician assistant with a practice address in California, 37 per 100,000 residents, the 41st 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 281 of 290.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363A00000X · 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, 935

  1. Los Angeles935
  2. San Diego747
  3. San Francisco488
  4. Stanford480
  5. Sacramento387

Physician Assistant records in California

  1. Theresa Wittenberg, PA-CStanford, CA 943051932179777
  2. Kaylin WittryRedding, CA 960021003607813
  3. Joleen WittwerSanta Cruz, CA 950621174486310
  4. Robert Witty, PA-CMoreno Valley, CA 925531548326028
  5. Natasha Witzl, PHYSICIAN ASSISTANTNewport Beach, CA 926631821699380
  6. Jessica Wix-FaulknerChico, CA 959281881161701
  7. Cole Wofford, PA-SLa Mesa, CA 919421669227849
  8. Patricia WohlinSanta Ana, CA 927051154659639
  9. Tiffany Wohlwend, PA-CGalt, CA 956321275558413
  10. Kyra Wojcik, PAPasadena, CA 911051841063435
  11. Katie Wolf, PA-CSan Francisco, CA 941111396021762
  12. Travis Wolf, PARipon, CA 953661598934812
  13. Jason Wolfe, PA-CLos Angeles, CA 900671184172314
  14. Justin Wolfe, PA-CSeaside, CA 939551679935589
  15. Lynsie Wolfe, PA-CSanta Monica, CA 904011801495569
  16. Sarah Wolff, PA-CBeverly Hills, CA 902111265950448
  17. Amy Wolfson, PAAnaheim, CA 928071407050545
  18. David Wolman, PA-CRancho Mirage, CA 922701790042026
  19. Gregory Woloschyn, PA-CConcord, CA 945201801363700
  20. Brian WolterMurrieta, CA 925621487053823
  21. Brigitte Wolverton, PA-CVernon, CA 900581154474716
  22. Anna Womack, PA-CSan Francisco, CA 941111376258145
  23. Joann Won, P.AAnaheim, CA 928011073847620
  24. Phyllis Won, PA-CSan Rafael, CA 949031023788759
  25. Adley Wong, PA-CStanford, CA 943051922434935
  26. Adrianne WongTorrance, CA 905031477196079
  27. Alexander Wong, PABakersfield, CA 933121518585447
  28. Alvin Wong, PHYSICIAN ASSISTANTDaly City, CA 940151669234852
  29. Annie Wong, PADuarte, CA 910101467105437
  30. Ava Wong, PA-CHanford, CA 932301336705763
  31. Brandon Wong, PA-CBaldwin Park, CA 917061194404632
  32. Brandon Wong, PA-CMendota, CA 936401497377048
  33. Brandon Wong, PA-CGreenbrae, CA 949041851870422
  34. Breane Wong, PAMenlo Park, CA 940271659921039
  35. Brendan WongLos Banos, CA 936351619767621
  36. Brittany WongLong Beach, CA 908061962953786
  37. Catherine WongLos Angeles, CA 900271477295046
  38. Cheston Wong, PA-CSan Francisco, CA 941171174036545
  39. Christina Wong, PA-CLos Angeles, CA 900321396944609
  40. Christine Wong, PA-CEncinitas, CA 920241609432665
  41. David WongAlhambra, CA 918031780237875
  42. Douglas WongRiverside, CA 925051477897684
  43. Elizabeth Wong, PA-CLos Angeles, CA 900331720492143
  44. Emily Wong, PA-CStanford, CA 943051306173869
  45. Evelyn WongVallejo, CA 945921710704739
  46. Griselda Wong, P.APleasant Hill, CA 945231629154224
  47. Harold Wong, PA-CValencia, CA 913551528357175
  48. Heather Wong, PACOntario, CA 917621104367846
  49. James Wong, MS, PA-CAlhambra, CA 918031437767431
  50. Jane Wong, PA-CColton, CA 923241295917342

Source: CMS NPPES, primary taxonomy 363A00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 41 of 51 per resident

  1. Georgia42
  2. New Mexico40
  3. Illinois39
  4. California37
  5. New Jersey37
  6. Texas36
  7. 50 states and D.C.49

Source: CMS NPPES, primary taxonomy 363A00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.2% of these records appear in a Medicare file, against 77.9% 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. California75.2%
  2. United States77.9%

Physician Assistant records in California, measured

  • In a Medicare file10,860 of 14,451 · 75.2% here, 77.9% nationally
  • In the CMS Doctors and Clinicians file7,218 · 49.9% here, 62.6% nationally
  • Not updated in five years or more5,775 · 40.0% here, 39.3% nationally
  • Median graduation year2018 · the 7,214 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363A00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

14,451 NPPES records list physician assistant (363A00000X) as their primary taxonomy with a practice address in California: 37 per 100,000 residents against 49 nationally (50 states and D.C.). Los Angeles has 935 of them (6%).

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 York15,555
  2. Texas10,999
  3. Florida10,257
  4. North Carolina9,279

States with a similar rate per 100,000

  1. New Jersey36.5
  2. Indiana35.3
  3. Illinois39.3
  4. New Mexico40.1

The largest states

  1. New York15,555
  2. Texas10,999
  3. Florida10,257
  4. North Carolina9,279
  5. Pennsylvania8,020

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.