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 158 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. Isaac Maquet, PALa Jolla, CA 920371346869195
  2. Phung Mar, PACMountain View, CA 940401518198936
  3. Sian Mara, MS, PA-CSan Francisco, CA 941431114357126
  4. Kandin MaraquinChino Hills, CA 917091760033278
  5. Jacob Calvin MarceloOntario, CA 917611770469629
  6. Sandra MarceloPittsburg, CA 945651386406866
  7. Michael Marchante, PA-CFresno, CA 937211528455425
  8. Jasmine Marchbanks, PA-CSanta Clara, CA 950511497528574
  9. Shanna Marchesi, PACitrus Hts, CA 956101275703662
  10. James Marchetti, PA-CNewport Beach, CA 926601912495318
  11. Orry Marciano, PASan Diego, CA 921081194808519
  12. Danielle Marck, MSPASStanford, CA 943051235654005
  13. Samantha MarcolyMarina Del Rey, CA 902921275257594
  14. Adrianna Marcus, PA-CYuba City, CA 959911720620362
  15. Eduardo Marcus, PASalinas, CA 939061962564708
  16. Joanne Marcus, PASunnyvale, CA 940871356507420
  17. Judith Marcus, PAArleta, CA 913311942342803
  18. Tanya Marcus, PACEl Cajon, CA 920211659784130
  19. Abelardo Mares, PA-CBakersfield, CA 933011780821868
  20. Katie Mares, PASanta Cruz, CA 950651700575446
  21. Verzhin Margaryan, PA-CGlendale, CA 912061811766827
  22. Daniel Margolies, PAVan Nuys, CA 914051427549278
  23. Antoinette Mariano-Sabido, PA-CBrentwood, CA 945131306328323
  24. Michael Maricle, P.A.Emeryville, CA 946081992147946
  25. Nicholas Marigliano, PHYSICIAN ASSISTANTLos Angeles, CA 900271659864403
  26. Roberto Marin, PA-CSanta Ana, CA 927041134544125
  27. Jessica MarineLos Angeles, CA 900221891556353
  28. Amanda Marinko, PA-COrange, CA 928681922731793
  29. Melissa Marino, P.A.Emeryville, CA 946081285770719
  30. Adam Marinucci, PAPalo Alto, CA 943011225674666
  31. Miguel Mariscal, PASan Diego, CA 921201760508923
  32. Vanessa Mariscal, PA-CSouth Pasadena, CA 910301225761901
  33. Jeremy Mark, PA-CDuarte, CA 910101801563473
  34. Lisa MarkLos Angeles, CA 900891851679674
  35. Nicole MarkSan Diego, CA 921031609428598
  36. Felicia Markham-Dickson, PA-CAlhambra, CA 918011164423422
  37. Inna Markiv, P.A.Fairfield, CA 945341952480451
  38. Kelly Markle, PA-CFountain Valley, CA 927081407488398
  39. Bethany Markman, PA-CMountain View, CA 940431487081550
  40. Allen Markovic, PA-CSacramento, CA 958161184015182
  41. Abigail MarkowskiSanta Cruz, CA 950621164021812
  42. Meghan Markowski, PAOakland, CA 946021528317047
  43. Adam Marks, PA-COrosi, CA 936471003122391
  44. Ian Marks, PACGlendale, CA 912061760506869
  45. Richard Marks, P.A.C.San Luis Obispo, CA 934011952496556
  46. Madeline Markstrom, PACarmichael, CA 956081730709775
  47. Donna Marman, PA-CCapo Beach, CA 926241841476108
  48. Laura Marmolejo, PASacramento, CA 958171992472575
  49. Julia Marn, PA-CSan Francisco, CA 941231679047088
  50. Monica Marple, P.A.-CModesto, CA 953551265531297

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.