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 12 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. Peter Aronson, PA-CEureka, CA 955011891891479
  2. Olivia Arrabit, PA-CWatsonville, CA 950761609723295
  3. Alondra Arredondo, PAColton, CA 923241366226862
  4. Guadalupe Arreola LeonThermal, CA 922741245194711
  5. Paula Arriaga, PASan Francisco, CA 941321417248337
  6. Sonia Arriaza Marroquin, PA-CSanta Ana, CA 927051578340774
  7. Samantha Arrizon, PA-CStanford, CA 943051417733627
  8. Arianna ArroyoMurrieta, CA 925621780267336
  9. Jean Arroyo-Quinones, PA-GRancho Cordova, CA 956701275411696
  10. Sabrina ArsalaFresno, CA 937201558119305
  11. Amal Arshad, PA-CSherman Oaks, CA 914111386511897
  12. Usmaan ArshadRedlands, CA 923731619382363
  13. Sezer Arslan, PA-CSan Francisco, CA 941051710495023
  14. Lauro Arteaga, PHYSICIAN ASSISTANTHuntington Park, CA 902551083625081
  15. Janene Arteche, PA-CCorona, CA 928811124224241
  16. Mary Anjielen Artille, PA-CVisalia, CA 932911457104085
  17. Melanie ArtinianNewport Beach, CA 926601568132736
  18. Lucy Artman, PA-CEscondido, CA 920251962213116
  19. Rita Artounian MilagerdiLoma Linda, CA 923501093497778
  20. Sasha AryaEncino, CA 914361083210660
  21. Wendy Arzaga, P.A.Porterville, CA 932571003123076
  22. Adriana Arzate, PA-CEmeryville, CA 946081437620366
  23. Aaron AsadFontana, CA 923351336748565
  24. Olusola Asafa, PA-COroville, CA 959661467969485
  25. Charles Asamaphand, PASun City, CA 925861487329413
  26. Yaw Asamoah, PA-CFontana, CA 923361083917439
  27. Elena AsanovaNorth Hollywood, CA 916061245414085
  28. Amanda Asaro, P.A-CSan Diego, CA 921231306961313
  29. Madina AschrafniaWest Hollywood, CA 900461184269540
  30. Anahita Asefirad, PA-CNorth Hollywood, CA 916011992392898
  31. Lisa Asfahani, P.A.Riverside, CA 925181902175623
  32. Taylor AshFresno, CA 937111669107082
  33. Mark Ashby, PASherman Oaks, CA 914231093060386
  34. Aubree Ashdown, PA-CIrvine, CA 926181679244503
  35. Yasmin Asherian, PA-CLos Angeles, CA 900351033973953
  36. Lindsay AshfordBurbank, CA 915051780263376
  37. Quianna Ashley-White, PALarkspur, CA 949391396466876
  38. Shannon Ashoori, PA-CCalabasas, CA 913021679339154
  39. Stephanie Ashqar, PAFountain Valley, CA 927081922877133
  40. Adela Ashraf, PA-CTustin, CA 927801356385215
  41. Jenna Ashton, PA-CLos Angeles, CA 900331306121652
  42. Nkem Asianua, PA-CLos Angeles, CA 900451295481794
  43. Derek AsimusPasadena, CA 911051659738516
  44. Kishla Askins, PA-CSan Diego, CA 921341659428621
  45. Karen Askren, KAREN ASKREN, PA-CDinuba, CA 936181922180835
  46. Anam AslamCorona, CA 928811154253102
  47. Diane Asmuth, PA-CFolsom, CA 956301528335486
  48. Jacquelin AspeitiaVallejo, CA 945921841167491
  49. Roberto Assadabadi, P.A.Sacramento, CA 958161346486578
  50. Hassan Assl, MSPAManteca, CA 953361720125339

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.