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 10 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. Nury CastellonLancaster, CA 935341942140983
  2. Maria Castillo, PA-CCorona, CA 928811184924144
  3. Alicia Castillo-Trujillo, PA-CEl Monte, CA 917311588819817
  4. Lyah CastleberryPlacerville, CA 956671477300978
  5. Jonathan Castro, PA-CMission Hills, CA 913451841970944
  6. Maria CastroInglewood, CA 903011952944233
  7. Jennifer Cates, PA-CEncinitas, CA 920241972622751
  8. Stanley Cathey, PAStockton, CA 952091093987414
  9. Tanner CavanaughModesto, CA 953501811394976
  10. Joshua Cavaness, MMS PA-CRoseville, CA 956611497152763
  11. Carlotta Cavazos, PA-CSan Francisco, CA 941581366750424
  12. Chelsea Cavignac, PA-CSan Diego, CA 921281033595525
  13. Rachelle Cayago, PAEagle Rock, CA 900411689826463
  14. Richard Cazin, PADanville, CA 945061043201460
  15. Claudia CejaBell Gardens, CA 902011134770191
  16. Brandon Cendejas, PA-CMoreno Valley, CA 925551710799655
  17. Felipe Cendejas, PA-CRiverside, CA 925071093149783
  18. Consuelo Cervantes, MPAPNorwalk, CA 906501699082966
  19. Jeniffer Cervantes GomezLoma Linda, CA 923541659156966
  20. Sonia Chahal, PA-CFremont, CA 945381962998849
  21. Jacqueline ChamorroPalmdale, CA 935501639010937
  22. Cameron Chan, PA-CSan Diego, CA 921201326440660
  23. Catherine Chan, PA-CDuarte, CA 910101093346504
  24. Clement Chan, PAAlhambra, CA 918011063601904
  25. Jacinda ChanSacramento, CA 958151588265854
  26. Madonna Chan, PA-CHarbor City, CA 907101710038815
  27. Mark ChanHayward, CA 945451740639442
  28. Matthew Chandler, PA-CHuntington Beach, CA 926481215261771
  29. Cathleen Chandler-EckhardtWatsonville, CA 950761265681977
  30. Ana Chang, PA-COakland, CA 946011548292675
  31. Emily ChangSalinas, CA 939011891650206
  32. Jill Chang, PA-CSan Diego, CA 921211114112786
  33. Ruey Chang, P.A.La Palma, CA 906231699064006
  34. Veronica Chang, P.A.Long Beach, CA 908081346524691
  35. Ryan Chapelle, PA-CMonterey, CA 939401609292234
  36. Erica Chapin, P.A.Santa Cruz, CA 950601740220979
  37. Samia Charani, PASanta Maria, CA 934541043919079
  38. Charinda Charoen, P.A.Montclair, CA 917631437440625
  39. Ryan Charter, PA-CCamp Pendleton, CA 920551386224707
  40. Cynthia Chau, PA-CCarson, CA 907461346342102
  41. Lien Chau, PHYSICIAN ASSISTANTNorwalk, CA 906501225113707
  42. Lisa ChauSanta Ana, CA 927031487257366
  43. Arisa Chavez, PA-CHuntington Park, CA 902551467220582
  44. Erika ChavezGarden Grove, CA 928431356261432
  45. Eunice Chavez, P.ASalinas, CA 939061023282092
  46. Rafael Chavez, PACity Of Industry, CA 917441346352085
  47. Allison Checchio, ATCOrange, CA 928681689634321
  48. Brooke Cheema, P.A.-CSanta Barbara, CA 931101902987415
  49. Alice Chen, P.A.Huntington Beach, CA 926481619243854
  50. Angeline Chen, PA-CLaguna Hills, CA 926531821396862

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.