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 263 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. Laurie Trombla, PA-CSan Pablo, CA 948061245253871
  2. Jennifer Trost, PA-C, MPHFresno, CA 937221447603139
  3. Thom Trotter, PASanta Cruz, CA 950651538223912
  4. Jennifer Trubschenck, PA-CThousand Oaks, CA 913611083999254
  5. Nathan Trueblood, PHD, PA-CCarmichael, CA 956081760762983
  6. Jose Trujillo, P.A.San Fernando, CA 913401962604611
  7. Miguel Trujillo, PA-CSan Bernardino, CA 924081285806794
  8. Adelaide Truong, PAYorba Linda, CA 928871114699618
  9. Annie Truong, PAFountain Valley, CA 927081891021606
  10. Christina TruongSan Jose, CA 951191588448518
  11. Cindy TruongHuntington Beach, CA 926471982316683
  12. Dan Truong, PAPalm Springs, CA 922641215639315
  13. Daniel Truong, PA-CModesto, CA 953501487291431
  14. Don TruongMountain View, CA 940401568005155
  15. Dorian Truong, PABakersfield, CA 933091235789298
  16. Hang Truong, PAHayward, CA 945451720002975
  17. Hien TruongOakland, CA 946111467089821
  18. Jeffrey Truong, PAMonterey Park, CA 917541972542447
  19. Jennifer Truong, PA-CIrvine, CA 926181174344576
  20. Judy Truong, PASanta Monica, CA 904041033593520
  21. Lan Truong, PA-CSacramento, CA 958201104983444
  22. Loc Truong, PA-CGardena, CA 902481043979859
  23. Lynda Truong, PA-CWildomar, CA 925951932644143
  24. Madalena TruongCommerce, CA 900401356766539
  25. Michael Truong, PA-CColton, CA 923241689900995
  26. Taylor TruongSeal Beach, CA 907401104542935
  27. Tien Truong, PHYSICIAN ASSISTANTAnaheim, CA 928051831941277
  28. Victor Truong, PAOrange, CA 928681407448277
  29. Vivian TruongMonterey, CA 939401013708569
  30. Wilson TruongBaldwin Park, CA 917061326560699
  31. Chloe Trusty, PA-CLa Jolla, CA 920371053180794
  32. Martha Tsabetsaye, PA-CSan Diego, CA 921031700151545
  33. Julie Tsai, PAMountain View, CA 940401891808762
  34. Margaret Tsai, PA-CCity Of Industry, CA 917481619328291
  35. Patricia TsaiCarmichael, CA 956081952900532
  36. Huiying Tsang, PA-CStanford, CA 943051427626456
  37. Argishte TsaturyanAlhambra, CA 918031932832250
  38. Jessica Tsay, PA-CLos Angeles, CA 900621083182042
  39. Lynette TschaboldMountain View, CA 940401750757043
  40. Franklin Tse, PA-CPerris, CA 925711457431348
  41. Yu Ling TsengMountain View, CA 940401740005263
  42. Isabelle Tsien, PA-CSan Francisco, CA 941151699832865
  43. Iris Tso, PA-CStanford, CA 943051487427621
  44. William Tsu, P.ASan Francisco, CA 941211912256439
  45. Anne Tsuchiyama, PALos Angeles, CA 900951962436568
  46. Richard TsuiPomona, CA 917661508380403
  47. Erin TsujiTorrance, CA 905051750015871
  48. Bryan TsujimotoWalnut Creek, CA 945981124661186
  49. Zhi-Fang Tsun, PA-CStanford, CA 943051124506407
  50. Allen Tu, PACSan Francisco, CA 941111992021091

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.