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 265 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. Andrew Tyler, PARedlands, CA 923731003383480
  2. Kathryn Tyler, PA-CMission Viejo, CA 926911629633789
  3. Kylie Tyler, PA-CLong Beach, CA 908131275313959
  4. Renita Tyler-Richards, PA-CStanford, CA 943051437689346
  5. Kathleen Tyndall, P.A.Lancaster, CA 935341366445157
  6. Erica Tyson, PA-COrange, CA 928681851176150
  7. Cynthia Uba, PACEmeryville, CA 946081487299087
  8. Kenny UbaLos Angeles, CA 900591750975900
  9. Lynn Uchizono, PA-CDiamond Bar, CA 917651245598259
  10. Pooja UdeshiSan Francisco, CA 941581417838368
  11. Ekaete Udoh, PA - CSan Diego, CA 921341841472776
  12. Daniel UfferHighland, CA 923461215533765
  13. Dody Ufford, PACrescent City, CA 955311245304815
  14. Caleb Ugaitafa, PA-CLa Jolla, CA 920371336732817
  15. Jasmine UitzMontebello, CA 906401063369544
  16. Ghenet Ukbamichael, PACudahy, CA 902011538275755
  17. Jon Ukishima, PA-CFullerton, CA 928351548709983
  18. Susan Ulaner, PASan Francisco, CA 941051417250317
  19. Timothy Ulleseit, PA-CLos Gatos, CA 950321245851120
  20. Brianda UlloaRancho Cucamonga, CA 917301770188468
  21. Jason Ullyott, PAUkiah, CA 954821083878532
  22. Elise Ulph, PA-CDana Point, CA 926291134040124
  23. Yadira Ulrey, P.A.El Cajon, CA 920191679792733
  24. Sung-Min Um, PA-CVisalia, CA 932771932578739
  25. Daniel Umah-Mgborogwu, PHYSICIAN ASSISTANTColton, CA 923241528540952
  26. Roxanne Umanzor-Smiley, PAFontana, CA 923351508914599
  27. Kourtney Umphfres, PA-CExeter, CA 932211528028321
  28. Karen Unck, PA-CWoodland, CA 957761316389877
  29. Allison UnderwoodLa Jolla, CA 920371699558478
  30. Amelia Underwood, RD, CDE, PA-CHollister, CA 950231083065395
  31. Collin Underwood, MPAS, PA-CFresno, CA 937211457035032
  32. Kathryn UnderwoodLos Angeles, CA 900131093945792
  33. Orlando Ungos, P.A.Los Angeles, CA 900251588920581
  34. Jason Unruh, PA-CSan Diego, CA 921071033540554
  35. Kristen Unterberger, PA-CSalinas, CA 939011053378810
  36. Anhdao UongLoma Linda, CA 923501619703311
  37. Preet Upadhyaya, MPH, PA-CAnaheim, CA 928081427802271
  38. Katherine Uphoff, R.P.A.-C.So San Francisco, CA 940801619060159
  39. Lucius Upshaw, PA-CSan Mateo, CA 944011932350790
  40. Cheyenne UptonEl Segundo, CA 902451598350886
  41. Jacqueline Upton, ATC, PA-CSan Diego, CA 921201295704328
  42. Jessica Upton, PA-CMarysville, CA 959011154997179
  43. Mackenzie Upton, PA-CTurlock, CA 953801861251167
  44. Derek UrbanChico, CA 959261205238086
  45. Allison Urbaniak, PA-CFullerton, CA 928351790377653
  46. Billy Urbano, M.D.Tracy, CA 953761770979361
  47. Enrique UrbinaDuarte, CA 910101225637432
  48. Fernanda UrbinaSanta Maria, CA 934541407626708
  49. Madelyn Urie, PA-CEl Cajon, CA 920211467216788
  50. Whitney Urner, P.A.Bakersfield, CA 933011902242530

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.