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 247 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. Tyler Stanley, PA-CHermosa Beach, CA 902541073551347
  2. Whitney StannardLos Gatos, CA 950321467295600
  3. Sharon StannislausPomona, CA 917671891301214
  4. Cassie Stanton, PA-CMurrieta, CA 925631235501537
  5. Emma StapletonTorrance, CA 905051255065785
  6. Steven Star, PAGrass Valley, CA 959451134246200
  7. Jessica Stark, PA-CSan Francisco, CA 941151215117643
  8. Lauren Stark, PA-CFremont, CA 945381609161439
  9. Alina Starker, PA-CSan Diego, CA 921221205681533
  10. Davia Starkey, PAPorterville, CA 932571578733739
  11. Chelsea Starkweather, PA-CBakersfield, CA 933011831439421
  12. Jessica Starr, PASouth Lake Tahoe, CA 961501205145703
  13. Joy StarrMurrieta, CA 925631326863754
  14. Karin Starr, PASan Bernardino, CA 924071780675272
  15. Stephanie StarrittSan Jose, CA 951281891090478
  16. Kirsten Stathes, P.A.-CRedlands, CA 923731407968324
  17. Asia StautzSan Rafael, CA 949011609653971
  18. Adam Stawniczy, PA-CPomona, CA 917661790275287
  19. Maddison Stayberg, PA-CLoma Linda, CA 923541265383194
  20. Jemmilyn Stearns, PA-CBurbank, CA 915051982005468
  21. Wyatt Stebbins, PA-CSonora, CA 953701003264359
  22. Jeffrey Steed, PA-CPomona, CA 917671932730884
  23. Jessica Steele, PA-CYreka, CA 960971609484799
  24. Wendy Steen, PASan Diego, CA 921201841348745
  25. Samantha StefanSanta Rosa, CA 954031063346435
  26. Emily Steffan, PA-CWofford Heights, CA 932851770303455
  27. Katherine Steffens, PASan Francisco, CA 941091568206837
  28. Michael Stegbuchner, PALos Angeles, CA 900271417024282
  29. Jennifer Steger, PA-CFresno, CA 937201437699873
  30. Karla Stein, PA-CPorterville, CA 932571922051804
  31. Samantha Stein, PA-CSan Francisco, CA 941091275124547
  32. Alexander Steiner, PA-CSacramento, CA 958161003484007
  33. Faye Steiner, PA-CStanford, CA 943051679117865
  34. Laura Steiner, PASan Jose, CA 951161649280587
  35. Amanda Steinheiser, PA-CEureka, CA 955031861910093
  36. Andrew SteiningerMoreno Valley, CA 925511558035998
  37. Trevor SteinmanColton, CA 923241104509561
  38. Alexander StempelMadera, CA 936371659764611
  39. Nora Stephany, PASan Diego, CA 921211437208394
  40. Matthew Stephen, PA-CLafayette, CA 945491629591383
  41. Alana StephensVallejo, CA 945921154193621
  42. Sheila Stephens, P.A.-CRiverside, CA 925061306201157
  43. Megan Stephenson, PA-CSan Francisco, CA 941171174165526
  44. Lisa Stern, PASanta Monica, CA 904041174948251
  45. Jordan Sternbach, PA-CSan Francisco, CA 941091053165217
  46. Alexandra SterrittCarmichael, CA 956081962226829
  47. Roman Stetkevich, PAYucca Valley, CA 922841366501090
  48. Devan StetsonCorona Del Mar, CA 926251134855190
  49. Julia Stevens, PA-COakland, CA 946091821394073
  50. Mara Stevens, PA-CLos Alamitos, CA 907201790231967

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.