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 110 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. Khristine Holterman, PA-CHillsborough, CA 940101619866852
  2. Marissa Holtey, PA-CPorterville, CA 932571518611391
  3. McKinsey Holthaus, PA-CFresno, CA 937211205445715
  4. Madison Holtz, PA-CMurrieta, CA 925621982226205
  5. Jessica HolumSacramento, CA 958171164084406
  6. Alexis Holverson, PA-CClaremont, CA 917111366929887
  7. Diane Holzer, PA-CPoint Reyes Station, CA 949561023168879
  8. Alexandra Hom, PA-CClayton, CA 945171356851869
  9. Diana Hom, PA-CLos Angeles, CA 900481164962924
  10. Ryan Hom, PA-CLos Angeles, CA 900171912566209
  11. Blake HomanLa Jolla, CA 920371730800178
  12. Carolina Homan, PA-CVista, CA 920831407576275
  13. Sepideh Homayoni, PA-COntario, CA 917611003357955
  14. Randall Homer, NP, PASacramento, CA 958191356486021
  15. Kerry HomotoffRed Bluff, CA 960801639402399
  16. Trenton Honda, PA-CHawthorne, CA 902501710212519
  17. Amanda HongAnaheim, CA 928041780345629
  18. Christine Hong, PAPasadena, CA 911071215510052
  19. Eric Hong, PA-CPalo Alto, CA 943041285147454
  20. Irene Hong, PA-CRosemead, CA 917701558930297
  21. Kimberly Hong, PAVallejo, CA 945921073385969
  22. Robin Hong, PAOrange, CA 928681215563796
  23. Timothy Hong, PA-CGlendora, CA 917401710766621
  24. Janet Hong-Auyoung, PA-CSan Jose, CA 951191962563460
  25. Kelly Hongkham, PA-CAntelope, CA 958431104755057
  26. Levi Hongsermeier, PARedding, CA 960021700461639
  27. Melinia Honjo, DHSC, P.A.-CLos Gatos, CA 950321386713147
  28. Thomas Honkoski, P.A.Burbank, CA 915051235179524
  29. Taylor Honnoll, PA-CModesto, CA 953551124743836
  30. Vania HoodLa Jolla, CA 920371043833163
  31. Shams HoodaVentura, CA 930041275547549
  32. Cassidy Hoogeveen, PA-CRiverside, CA 925041609590959
  33. Kathryn Hook, PA-CAntioch, CA 945091528450343
  34. Kiera HooperPalo Alto, CA 943051104604743
  35. Michelle Hoopes, PHYSICIAN ASSISTANTFortuna, CA 955401104173418
  36. Christopher Hoopingarner, PA-CRancho Mirage, CA 922701235656471
  37. Samantha Hoopingarner, PA-CRancho Mirage, CA 922701699293993
  38. Hassan Hooshmand, PA.CHuntington Park, CA 902551316067564
  39. Matthew Hoover, PA-CStanford, CA 943051467185447
  40. Lucinda Hopewell, PAConcord, CA 945201114070273
  41. Caitlin Hopkins, PA-CLa Jolla, CA 920371548867864
  42. Denise Hopkins, PA-CFolsom, CA 956301063761237
  43. Kayla HopkinsBurbank, CA 915051114641545
  44. Patrick Hopkins, PA-CModesto, CA 953501770857930
  45. Courtney Hopp, PASan Diego, CA 921031083213706
  46. Amy Horan, OPA-CVallejo, CA 945891821372871
  47. Jessica Horazy, PA-CWoodland Hills, CA 913671366653834
  48. Logan Horejsi, PAVentura, CA 930031689304024
  49. Russell Horgos, PALemoore, CA 932461326828609
  50. Traci Hornbeck, P.A.-C.Stanford, CA 943051285874172

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.