NPPES file of Aug 9, 2026

Medical Physician Assistant in California

3,376 NPPES records list medical physician assistant with a practice address in California, 9 per 100,000 residents, the 36th 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 66 of 68.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363AM0700X · 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, 225

  1. Los Angeles225
  2. San Diego169
  3. Sacramento105
  4. Fresno81
  5. San Francisco74

Medical Physician Assistant records in California

  1. Merry Widmeyer, PANapa, CA 945581053618173
  2. Sara Wiens, PA-CDana Point, CA 926291407226038
  3. Sampath Wijesinghe, PA-CSanger, CA 936571912216581
  4. Donna Wilcox, PACEtna, CA 960271023102530
  5. Julie Wiley, PA-CConcord, CA 945201861671687
  6. Wendy Wiley, PAOccidental, CA 954651720192487
  7. Michael Wilhelm, PA-CSacramento, CA 958231295918001
  8. Cedar Wilkening, ATC, PACVentura, CA 930031194496067
  9. Anjali Wilkerson, PA-CRoseville, CA 956611619277712
  10. Darrell Wilkins, P.A.Corona, CA 928791740463165
  11. Martha Wilkins, PA-CWalnut Creek, CA 945981215508775
  12. Aaron Willcott, MSPAS, PA-CSan Diego, CA 921031801120977
  13. Brelonnie WilliamsSanta Fe Springs, CA 906701245035294
  14. Jodi-Ann Williams, M.S., P.A-CWest Hills, CA 913071013337666
  15. Lauren Williams, PA-CPetaluma, CA 949541437563624
  16. Roshalda Williams, PA-CLos Angeles, CA 900151003824988
  17. James Williamson, PA-CModesto, CA 953551306072046
  18. Levi Williamson, PA-CRancho Santa Margarita, CA 926881932672615
  19. Quennisha WilliamsonSouth Gate, CA 902801811858293
  20. Edie Willis, PA-CLos Angeles, CA 900331356877328
  21. John Willis, PA-CYuba City, CA 959931831149194
  22. Juliana Wilson, PA-CLa Palma, CA 906231851587919
  23. Kelly Wilson, PA-CSacramento, CA 958191124318027
  24. Sherry Wilson, PA-CRancho Mirage, CA 922701801088372
  25. William Wilson, PA-CApple Valley, CA 923071265469712
  26. Ryan Paul Wingco, PA-CLong Beach, CA 908061639543853
  27. Angela Winn, PASan Francisco, CA 941021700911567
  28. Kenneth Winters, PA-CMartinez, CA 945531386606473
  29. Jessica Wirth, PA-CMill Valley, CA 949411932591245
  30. Lesette Witherspoon, PA-CTorrance, CA 905021861590804
  31. Barbara Witowska, MS PACRancho Santa Margarita, CA 926881013034230
  32. Christopher Witt, PA-CSan Diego, CA 921031982675708
  33. Jessica Witzmann, PALaguna Niguel, CA 926771992307235
  34. Denise Wofford, PAModesto, CA 953551265480768
  35. Carol Wolcott, PA-CWest Covina, CA 917901134522865
  36. David Wolf, P.A.Carmichael, CA 956081952703894
  37. Stephanie Wolff, P.A.-CGlendale, CA 912061538285770
  38. Angel WongSan Francisco, CA 941051033830500
  39. Elisa Wong, B.S., PA-CCarmichael, CA 956081174589931
  40. Lillian Woo, PA-CMonterey Park, CA 917541205083524
  41. Sandi Woo, PA-CCastro Valley, CA 945461225103161
  42. Stephen Woo, PA-CSan Gabriel, CA 917761609912690
  43. Tammy Woo, PAFresno, CA 937201811944176
  44. Katelyn Wood, PA-CCarlsbad, CA 920081285035311
  45. William Wood, PABerkeley, CA 947051922057124
  46. London Woodfolk, PA-CLa Jolla, CA 920371134687544
  47. Whitney Woodward, PA-CEmeryville, CA 946081831415462
  48. Charles Worley, PA-CMontebello, CA 906401699702662
  49. Derrick Wright, PA-C, BCHS, BSTemecula, CA 925901174708275
  50. George Wright, P.A.Santa Maria, CA 934551831295831

Source: CMS NPPES, primary taxonomy 363AM0700X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 36 of 51 per resident

  1. Nevada10
  2. Kansas9
  3. South Carolina9
  4. California9
  5. Tennessee9
  6. New Jersey9
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 363AM0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.1% of these records appear in a Medicare file, against 74.0% 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. California69.1%
  2. United States74.0%

Medical Physician Assistant records in California, measured

  • In a Medicare file2,332 of 3,376 · 69.1% here, 74.0% nationally
  • In the CMS Doctors and Clinicians file1,348 · 39.9% here, 54.5% nationally
  • Not updated in five years or more1,823 · 54.0% here, 54.7% nationally
  • Median graduation year2012 · the 1,347 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363AM0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,376 NPPES records list medical physician assistant (363AM0700X) as their primary taxonomy with a practice address in California: 9 per 100,000 residents against 12 nationally (50 states and D.C.). Los Angeles has 225 of them (7%).

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 York3,670
  2. Pennsylvania3,897
  3. Florida2,776
  4. Texas2,146

States with a similar rate per 100,000

  1. Tennessee8.6
  2. New Jersey8.5
  3. South Carolina9.2
  4. Minnesota8.0

The largest states

  1. Pennsylvania3,897
  2. New York3,670
  3. Florida2,776
  4. Texas2,146
  5. North Carolina1,352

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.