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 258 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. Shane Tipton, PA-CStanford, CA 943051962482877
  2. Michael Tiska, P.A-CMarysville, CA 949011952340705
  3. Maria Tiu, PA-CFullerton, CA 928351629322110
  4. Tony Tiu, PA-CPasadena, CA 911011083108310
  5. Rhea TiwariRancho Cucamonga, CA 917371326846551
  6. Kevin Tiyaamornwong, PA-CMadera, CA 936371275672503
  7. Carl Tjerandsen, PARedding, CA 960011023044427
  8. Emily To, PA-CDuarte, CA 910101548896079
  9. Emily ToVallejo, CA 945921053183954
  10. Tiffany ToSanta Monica, CA 904041346049897
  11. William To, PAGarden Grove, CA 928431336425644
  12. Alfred Tobias, PA-CStanford, CA 943051609124965
  13. Sandi Tobin, PA-CElk Grove, CA 957581548921398
  14. Emma Todd, PA-CSan Francisco, CA 941051043560428
  15. Karen Todd, P.A.Acampo, CA 952201679755383
  16. Landon Todd, PA-CBakersfield, CA 933091538643887
  17. William Todd, P.A-CBridgeport, CA 935171114033867
  18. Benjamin Toffoletti, PAEl Dorado Hills, CA 957621649145194
  19. James Tognazzini, PAAnaheim, CA 928071972674869
  20. Emily Tognozzi, PA-CStanford, CA 943051013215060
  21. Rawzita TohkiMilpitas, CA 950351437800901
  22. Jonathan TokerSan Jose, CA 951161538944764
  23. Henna TokhiMarysville, CA 959011992644918
  24. Alicia TokunagaSanta Ana, CA 927071073815353
  25. Pamela Toland, P.A.Yuba City, CA 959911508023599
  26. Elizabeth TolbertCorona, CA 928781184383432
  27. Regina Tolbert, PAOakland, CA 946021962548669
  28. Ashley TolentinoLos Gatos, CA 950321760257802
  29. Lorelie Tolentino, PASan Bernardino, CA 924081629146881
  30. Wesley Tolles, PA-CRiverside, CA 925061326438946
  31. Martin Tolosa, PA-CLos Angeles, CA 900151497164560
  32. Christopher Tom, PA-CRedwood City, CA 940621063972214
  33. Lauren Toma, PA-CWest Covina, CA 917901225790074
  34. Patrick Tomafsky, PACSanta Cruz, CA 950651982808234
  35. Chrisanta TomanengLos Angeles, CA 900071144953159
  36. Talia Tomasin, PA-CSan Clemente, CA 926731265256051
  37. Debra Tomaszewski, PA-CFort Bragg, CA 954371215264452
  38. Elizabeth Tomatsu, MPAS, PA-CLa Mesa, CA 919421164749206
  39. Jennifer Tomelden, PA-CParadise, CA 959691285961052
  40. Megan Tomhave, PA-CFullerton, CA 928351689372955
  41. Jocelyn Tomista, PAPomona, CA 917671962512079
  42. Nicole Tomlin, PA-CNewport Beach, CA 926631235279811
  43. Kristin Toms, MMS, PA-CSacramento, CA 958161790327872
  44. Tomi Tomson, PA-CLa Mesa, CA 919421790174233
  45. Andrew TonRosemead, CA 917701487588133
  46. Donna TonCarson, CA 907451194308502
  47. Nina Ton, PA-CFullerton, CA 928311033751227
  48. Khanh Ngoc Ton Nu, PA-C, MPHWestminster, CA 926831831614353
  49. Eugenia Toneva-Merdjanova, PA-CLaguna Niguel, CA 926771578656997
  50. Alexandra Mai Tong, PA-CSan Leandro, CA 945771548803562

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.