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 183 of 290.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363A00000X · method

Los Angeles has the most, 935

Physician Assistant records in California

  1. Gia NguyenGarden Grove, CA 928401528741691
  2. Gloria Nguyen, PASacramento, CA 958331962241000
  3. Grace NguyenPomona, CA 917671285111575
  4. Hai Nguyen, PA-CWestminster, CA 926831235411422
  5. Haley NguyenTustin, CA 927801194291484
  6. Heather NguyenFontana, CA 923361063389286
  7. Helen NguyenVista, CA 920831487357885
  8. Hinh Nguyen, PAFountain Valley, CA 927081255849865
  9. Hoai Nam Nguyen, PA-CWest Hollywood, CA 900691780794164
  10. Hoaiminh Nguyen, P.A-CModesto, CA 953501083654057
  11. Hong-Nhi Nguyen, PAOrange, CA 928681992064703
  12. Huan NguyenWestminster, CA 926831821631441
  13. Huey Nguyen, PARiverside, CA 925051336265586
  14. Hung Nguyen, PABaldwin Park, CA 917061750509576
  15. Huyen NguyenTorrance, CA 905011265191209
  16. Isabel Nguyen, PA-CFountain Valley, CA 927081679082796
  17. Jackie Nguyen, PAPalo Alto, CA 943041659998185
  18. Jacqueline NguyenSanta Maria, CA 934541164250700
  19. Jane Nguyen, PA-CAnaheim, CA 928041821455767
  20. Jason Nguyen, PA-CSan Francisco, CA 941041568765576
  21. Jaylene Nguyen, PA-CSanta Ana, CA 927031720542665
  22. Jeanie Nguyen, PA-CTorrance, CA 905051497570782
  23. Jennifer NguyenNewport Beach, CA 926601023905072
  24. Jennifer NguyenVallejo, CA 945921407312176
  25. Jennifer Nguyen, PA-C, MPHCampbell, CA 950081992923668
  26. Jenny NguyenLos Angeles, CA 900731922643451
  27. Jenny Nguyen, PA-CElk Grove, CA 957581881286813
  28. Jim Nguyen, PASan Diego, CA 921231376375642
  29. Jocelyn Nguyen, PACerritos, CA 907031720686983
  30. John Nguyen, PA-CRedding, CA 960021558924803
  31. Joseph NguyenChino, CA 917101669901468
  32. Julie Nguyen, PASherman Oaks, CA 914031689290637
  33. Julie Nguyen, PAOakland, CA 946091942952833
  34. Kaitlyn Nguyen, PATustin, CA 927801982360913
  35. Kathy Nguyen, PA-CBeverly Hills, CA 902101245335330
  36. Kaylee NguyenChatsworth, CA 913111184560146
  37. Kelly Nguyen, PA-CSan Francisco, CA 941181730892803
  38. Kevin Nguyen, PA-CPomona, CA 917671902420912
  39. Kevin Nguyen, PA-CNewport Beach, CA 926631700633666
  40. Khanh Nguyen, PA-CSan Diego, CA 921031427312644
  41. Khanh Nguyen, P.A.Santa Ana, CA 927061831342088
  42. Khanh NguyenMadera, CA 936381346080561
  43. Khoa NguyenCypress, CA 907201558904847
  44. Kim Khanh Nguyen, PA-CSunnyvale, CA 940861548025059
  45. Kimberly Nguyen, PA-CHuntington Beach, CA 926481962775684
  46. Kimberly NguyenMountain View, CA 940401588273270
  47. Kimmy Nguyen, PA-CRancho Cucamonga, CA 917371154196723
  48. Lamson Nguyen, PA-CPleasanton, CA 945881255954988
  49. Lauren Nguyen, PA-CLos Angeles, CA 900181578045993
  50. Lauren Nguyen, PA-CMenifee, CA 925841346755337

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.