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 39 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. Linda Markarian, PA-CLos Angeles, CA 900271477588903
  2. Brent Marks, PA-CWatsonville, CA 950761740598275
  3. Carmen Marmo, PA-CLoma Linda, CA 923571144327271
  4. Courtney Marquez, PA-CLoma Linda, CA 923501891181269
  5. Abreona MarroccoBakersfield, CA 933091487445474
  6. Xavier Marroquin, MANorthridge, CA 913241295677516
  7. Jillian Marrs, PA-CLa Jolla, CA 920371265734149
  8. Robert MarshallOroville, CA 959661841696515
  9. Bea Martin, PA-CMurrieta, CA 925621710355664
  10. James Martin, P.A.Los Angeles, CA 900151174574982
  11. Joseph Martin, PAFort Bragg, CA 954371649391889
  12. Justyne MartinTarzana, CA 913561346136173
  13. Scott Martin, PAColton, CA 923241750711305
  14. Alexa MartinezSanta Monica, CA 904051356147870
  15. Arturo Martinez, PACovina, CA 917231235154568
  16. Brandy Martinez, PA-C, CAQ-PSYCHCosta Mesa, CA 926261235875527
  17. Danielle Martinez, PA-CChino, CA 917101679024426
  18. Elisa Martinez, PAModesto, CA 953541720061716
  19. Ezequiel Martinez, P.A.San Bernardino, CA 924011497822142
  20. Francisco Martinez, PAOlivehurst, CA 959611073532479
  21. Joanna Martinez, MANorthridge, CA 913241871435727
  22. Jonathan Martinez, PACMontclair, CA 917631750491908
  23. Karen Martinez, PA-CDuarte, CA 910101790915882
  24. Loren Martinez, PA-CTemecula, CA 925921972894624
  25. Maribel Martinez, MEDICAL ASSISTANTLancaster, CA 935341497586796
  26. Robert Martinez, MPAP, PA-CDuarte, CA 910101447565791
  27. William Martinez, PA-CLos Angeles, CA 900571124161120
  28. Salvador Martinez VargasSanta Maria, CA 934541457183667
  29. Kathleen Martino, PHYSICIAN ASSISTANTRedwood City, CA 940631578986048
  30. Michael Martone, PA-CBeverly Hills, CA 902111477046456
  31. Elizabeth Martorana, PA-CAmerican Canyon, CA 945031205076361
  32. Jennifer Marzan, PA-CRedondo Beach, CA 902771790716397
  33. Nazanin MaskanHawthorne, CA 902501750195244
  34. Ben Massey, PAArcadia, CA 910071669982435
  35. Blake Massey, P.A.Redding, CA 960021720134810
  36. Junko Masutani, PA-CPasadena, CA 911011275751752
  37. Jorge Mata-Vargas, P.A.Soledad, CA 939601740589118
  38. Karla Mataele, PASan Diego, CA 921211275860868
  39. Geo Mathew, PA-CBakersfield, CA 933091215990205
  40. Nicole Mathew, PA-CSherman Oaks, CA 914231427481571
  41. Caitlyn Mathews, MASanta Rosa, CA 954041831909035
  42. Mimi Mathews, PA-CAnaheim, CA 928081730202409
  43. Susan Mathias, P.A. RNOroville, CA 959651306990643
  44. Kayla Mathiowetz, PA-CSanta Ana, CA 927041245107366
  45. Kevan Mathis, PA-CMarysville, CA 959011982459368
  46. Leora MatianEncino, CA 914361205586468
  47. Schake Matjan, PACGlendale, CA 912061225211329
  48. Caitlin Matsumoto, PA-CUpland, CA 917861295104602
  49. Michael Matthews, CCMASanta Ana, CA 927051285348441
  50. Natalie Mattos, PAModesto, CA 953541265415525

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.