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 116 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. Vesta IranzaminiIrvine, CA 926141902729437
  2. Jill Ireland, PA CVentura, CA 930041598783086
  3. Tinley IrelandVallejo, CA 945921821702606
  4. Matthew Irons, PA-CBishop, CA 935141659020675
  5. Katherine Irvin, PALos Angeles, CA 900221679997209
  6. Matthew Irvin, PA-CStanford, CA 943051629797139
  7. Keely IrvineUpland, CA 917861831863331
  8. Akvile Irving, PAPasadena, CA 911051508377953
  9. Carly Isaacs, PA-CLos Angeles, CA 900211407502164
  10. Taylor Isenburg, PA-CSanta Barbara, CA 931011457976144
  11. Mary Ishak, PA-CPasadena, CA 911051750014189
  12. Macy IshidaAlhambra, CA 918031093561342
  13. Dalton Ishmail, PA-CTempleton, CA 934651083178263
  14. Raif Iskander, PA-C, D.C.Tustin, CA 927801952463564
  15. Sydnee IsomOxnard, CA 930361922866706
  16. Alena Ispahani, P.A.San Francisco, CA 941111659802759
  17. Maximillian IsraelValencia, CA 913551982184669
  18. Rina Issakharian, PA-CWhittier, CA 906041457243479
  19. Antonita Itchon, PA-CStanford, CA 943051881700276
  20. Chad Ith, PACSanta Clara, CA 950511932170578
  21. Tamara Ito, PA-CVallejo, CA 945891194688812
  22. Yukiko Ito, PA-CBakersfield, CA 933091407280209
  23. Torey Ivanic, PA-CExeter, CA 932211972561272
  24. Emilia Ivans, PA-CLos Angeles, CA 900451174979090
  25. Merrick Ives, PA-CRancho Cucamonga, CA 917301922763168
  26. Braden Iveson, PA-CStanford, CA 943051134522394
  27. Trisha Ivy, PA-CRedlands, CA 923731144833989
  28. Lisa IwasakiTorrance, CA 905031588131254
  29. Iesha Iwobi, PA-CChico, CA 959261750041265
  30. Joseph Iwuajoku, PALong Beach, CA 908061922397876
  31. Diba Izadyar, PA-CUpland, CA 917861710520671
  32. Duaa Jaafar, PAPomona, CA 917661235060286
  33. Emily JabourianGlendale, CA 912031720799521
  34. Samantha JacintoSacramento, CA 958171932760857
  35. James Jack, PA-CChico, CA 959281205069234
  36. Anisha Jackson, PASanta Ana, CA 927071174760961
  37. Brittany JacksonPasadena, CA 911041376971457
  38. Danielle Jackson, PA-COakland, CA 946011770711459
  39. Dina Jackson, PA-CBrawley, CA 922271033155452
  40. Edgar Jackson, PABaldwin Park, CA 917061548386790
  41. Faison JacksonLos Angeles, CA 900121366132813
  42. Janette Jackson, PHYSICIAN ASSISTANTLos Angeles, CA 900181639390578
  43. Janice JacksonLos Angeles, CA 900591699420257
  44. La'Shawnta Jackson, P.A.Sun City, CA 925861366645897
  45. Lauren JacksonSan Juan Capistrano, CA 926751912639873
  46. Michaela Jackson, PA-CIrvine, CA 926181194419713
  47. Ronald Jackson, PARiverside, CA 925051831247725
  48. Sean JacksonCorona, CA 928791861059784
  49. Skyler Jackson, PA-CSan Francisco, CA 941141831825017
  50. Sydney Jackson, PA-CTorrance, CA 905011235708777

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.