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 35 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. Harrier Cagatay, PACRiverside, CA 925061508916461
  2. Heather Cagni, PASalinas, CA 939011679334015
  3. Justin Cahn, PA-CBurbank, CA 915051871838367
  4. Rong Cai, PAHanford, CA 932301285103374
  5. Maria Caicedo, PASan Jose, CA 951241659030732
  6. Shayani Cailleteau, PA-CPasadena, CA 911051255739728
  7. David Cain, PA-CEureka, CA 955011295130185
  8. Elisabeth Cain, PA-CSausalito, CA 949651750701736
  9. Emily Cain, PA-CBeverly Hills, CA 902111669821377
  10. Natalie CalabrettaRoseville, CA 956611942095377
  11. Ashley CalanniSan Diego, CA 921081164950184
  12. Marissa Caldarella, PA-CCarlsbad, CA 920081619349826
  13. Khristina Caldarelli, PA-CSimi Valley, CA 930651811622301
  14. Chelsea Caldejon-Chang, PA-CSan Jose, CA 951181033935929
  15. Claire Caldera, PASonora, CA 953701316863640
  16. Raquel Caldera, PA-CFullerton, CA 928351275709925
  17. Amber Calderaro, PAVan Nuys, CA 914051205847985
  18. Andrew Calderon, PA-CHarbor City, CA 907101760910822
  19. Clarissa CalderonVallejo, CA 945921871467902
  20. Gina CalderonPerris, CA 925701801754759
  21. Joshua Calderon, PA-CChico, CA 959261356643621
  22. Heather Calderwood, PA-CStanford, CA 943051033952270
  23. Christine Caldwell, PAThousand Oaks, CA 913601215056114
  24. Colette Caldwell, PA-CMill Valley, CA 949411548084171
  25. Heather Caldwell, PA-CAlturas, CA 961011376100883
  26. Kelsey Caldwell, PA-CLa Jolla, CA 920371821647090
  27. Clarence Calhoun, PA-CHanford, CA 932301124904826
  28. Savannah Calhoun, PAModesto, CA 953501861192403
  29. Ricardo Calixtro-LopezVallejo, CA 945921013621853
  30. Kelly Calkins, PACamarillo, CA 930101689823718
  31. Erin Call, MSPAS, PA-CWestlake Village, CA 913611164770962
  32. Lara Callahan, RDMS, PA-CSacramento, CA 958171700065612
  33. Randy Callahan, P.A.Fresno, CA 937101629246202
  34. Sophie CallahanLos Angeles, CA 900071215642236
  35. Samantha Callan, PA-CStanford, CA 943051922535350
  36. Ashley Callaway, PA-CLos Angeles, CA 900351346956984
  37. Melissa Calliham, P.A-CFoothill Ranch, CA 926101790725687
  38. Yvonne Callison, PARedding, CA 960011396837332
  39. Carolyn Calma, P.A.-CTustin, CA 927801427250844
  40. Christine Calma, PAChula Vista, CA 919141821051350
  41. Roxanna Calvario, PASan Ysidro, CA 921731275087421
  42. Van Cam, PA-CSan Francisco, CA 941141295144822
  43. Carolina Camacho, PALos Angeles, CA 900231457439804
  44. Krystal CamachoMontclair, CA 917631649981721
  45. Liliana Camacho, PA-CMoorpark, CA 930211154823748
  46. Hector Camacho Perez-Arce, PA-CSan Juan Capistrano, CA 926751760436968
  47. Christine Camara, P.A.Oxnard, CA 930331154333052
  48. Peter Camarata, PAAnaheim, CA 928071295936185
  49. Jessica Camarena, PA-CVisalia, CA 932771518278688
  50. Livier Camarena SanchezModesto, CA 953551275317208

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.