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 61 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. Richard Decker, P.A-CApple Valley, CA 923071083658975
  2. Patrick Decommer, P.A.-CAuburn, CA 956021285746057
  3. Nathan Dedic, M.S., PA-COrange, CA 928681740560382
  4. Marc Franz Dedios, PA-CSan Diego, CA 921401932817194
  5. Brianna DeeSan Mateo, CA 944021396120770
  6. Danielle DeenModesto, CA 953501679086755
  7. Brenda Deering, PAMonterey, CA 939401629634829
  8. Stephanie Deflavio, PALa Jolla, CA 920371336495340
  9. Peggy Deforest, P.A.Shasta Lake, CA 960191447460522
  10. Zachary Defouw, PA-CRedding, CA 960021346048717
  11. Todd Degiovanni, PA-CSouth Lake Tahoe, CA 961501235129289
  12. Maria Degracia, PAWoodland, CA 956951487862793
  13. Haylee DegroodSacramento, CA 958171588286439
  14. Jill Deharo, PA-CLos Angeles, CA 900271912190638
  15. Michelle Dehn, PA-CSan Clemente, CA 926731659903839
  16. Richard Dehn, PASacramento, CA 958171326203936
  17. Jennifer Dejarnett, PAFontana, CA 923351639295884
  18. Nicolas Dejong, PA-COxnard, CA 930301902204803
  19. Dylan Dekalb, PACSacramento, CA 958151477347466
  20. Rodney Dekleuver, PHYSICIAN ASSISTANTSanta Rosa, CA 954051487118105
  21. Katrina Del BiaggioEureka, CA 955011295301844
  22. Cara Del Chiaro, PA-CGrass Valley, CA 959451841938057
  23. Lynn Del Mundo, PABakersfield, CA 933111710604079
  24. Bernard Del Rosario, PARiverside, CA 925051114086840
  25. Marie Del Rosario, PASanta Paula, CA 930601235219254
  26. Michelle Del Rosario, PA-CNapa, CA 945581447516026
  27. Lyda Del Toro, PA-CPomona, CA 917671598075509
  28. Teresa Del Toro GallegosWalnut Creek, CA 945961760267017
  29. Anastasiya Del Valle, PA-CSan Diego, CA 921211356075105
  30. Lorena Del Valle, P.A.Santa Clarita, CA 913551972840338
  31. Karl Joelson Dela CruzRedlands, CA 923731801441589
  32. Danny Delacerda, PA-CTorrance, CA 905051962098590
  33. Valerieanne Delacruz, PA-CSanta Rosa, CA 954031467084590
  34. James Delaney, PAFontana, CA 923351972651982
  35. Miechelle Delarosa, PARancho Cucamonga, CA 917301568779528
  36. Belinda Delatorre, PHYSICIAN ASSISTANTRiverside, CA 925011801370887
  37. Gloria Deleon, PA-CLos Angeles, CA 900591629104393
  38. Rick Deleon, PAEncino, CA 913161417004987
  39. Maria DelfinoSanta Cruz, CA 950601114784832
  40. Emma Delgado, PA-CSan Diego, CA 921341104115633
  41. Joyce Delgado, PA-CSan Diego, CA 921081205189651
  42. Judith Delgado GranadosRiverside, CA 925061215794896
  43. Marina Delgado Sanchez, PAWhittier, CA 906041215745690
  44. Jonathan Delgado-Lopez, PA-CFairfield, CA 945341548738198
  45. Luisa Delima, PA-CSan Diego, CA 921031811536550
  46. Olivia Dellinger, PA-CLos Angeles, CA 900421558537159
  47. Elizaveta Delong, PA-CMartinez, CA 945531922575166
  48. Miriam Delosantos, PA-C, L.AC.Ventura, CA 930011992991095
  49. Annabelle Delossantos, PASacramento, CA 958231699097121
  50. Eugene Delrosario, PAAlhambra, CA 918011720098874

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.