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 148 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. Kelvin Liu, PA-CFontana, CA 923361609696939
  2. Kevin Liu, PA-CDowney, CA 902411275109787
  3. Lily Liu, PA-C, MMSCLa Palma, CA 906231144728502
  4. Linda Liu, PAWestlake Village, CA 913621164299905
  5. Melanie LiuSan Jose, CA 951241568217370
  6. Michelle Liu, PACastro Valley, CA 945461295431088
  7. Qiong LiuDuarte, CA 910101447889738
  8. Robert LiuLoma Linda, CA 923541578135760
  9. Rochelle Liu, PA-CStanford, CA 943051336757293
  10. Sally Liu, PASan Francisco, CA 941181386390524
  11. Sandy LiuAnaheim, CA 928051376947762
  12. Shirley LiuMarina Del Rey, CA 902921841182334
  13. Stephanie Liu, PALos Angeles, CA 900731144644469
  14. Wendy LiuBerkeley, CA 947041235866690
  15. Tommy LiungLos Angeles, CA 900071104668292
  16. Bradford Lively, PA-CLaguna Hills, CA 926531134846835
  17. Esther Lively, PA-CWhittier, CA 906021063160711
  18. Janel Liverato, PA-CSan Francisco, CA 941051770711038
  19. Dennis Livingston, PAFontana, CA 923351104993955
  20. Jayme LivingstonOrange, CA 928681013633585
  21. Regina Livingston, PA-CTravis Afb, CA 945351942002647
  22. Melissa Liwanag, PA-CSan Diego, CA 921341790937787
  23. Oskar Lizarraga-Davis, P.A.-CHollister, CA 950231932569357
  24. Samantha Lizer, PAOakland, CA 946091831858257
  25. Dana LlamasRiverside, CA 925061467817783
  26. Crystal LlanesMountain View, CA 940401720757776
  27. Matthew Lloyd, PA-CLong Beach, CA 908041487307369
  28. Tasona Lloyd, PAHarbor City, CA 907101851432470
  29. Jennifer Lo, PASonoma, CA 954761467599290
  30. Ling Lo, PA-CHuntington Beach, CA 926481093734568
  31. Miranda Lo, PA-CYucaipa, CA 923991851998165
  32. Tammy Lo, MMS, PA-CFullerton, CA 928351891269502
  33. Tracy LoVan Nuys, CA 914051942621362
  34. Vivian Lo, PA-CConcord, CA 945201003167453
  35. Alexandra LoakesLos Angeles, CA 900591154036515
  36. Sarah Lobb, PA-CManhattan Beach, CA 902661588476352
  37. Andrew Lobe, PAPalm Springs, CA 922621346226057
  38. Nikolay Loboda, PASan Jacinto, CA 925831316252356
  39. Joephillip LobustaSimi Valley, CA 930631861232563
  40. Kyle Lochridge, MMS, PA-CLos Angeles, CA 900331871875534
  41. Mark Lochte, PAFontana, CA 923351912074782
  42. Cama Lock, P.A-CSan Jose, CA 951161558391128
  43. Melanie Lock, PA-CLos Gatos, CA 950321659000180
  44. Elethea Locke-Harris, PA-CFullerton, CA 928351528196169
  45. Amy Locker, PABellflower, CA 907061487721239
  46. Billie Danielle LockettEscondido, CA 920251295511095
  47. Briana Lockett, PAStanford, CA 943051033824776
  48. Abigail LockmanLoma Linda, CA 923541528756459
  49. Jesirey Ivan Locquiao, PA-CBakersfield, CA 933081720420508
  50. Mendeleev Locquiao, PA-CBakersfield, CA 933011184997751

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.