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 111 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. Carina Hornbrook, PA-CBurbank, CA 915051457902645
  2. Amanda Horne, PA-CSacramento, CA 958161598389124
  3. Sarah HorneMarysville, CA 959011043149156
  4. Robert HornerFountain Valley, CA 927081730519778
  5. Kimberly Hornung, PA-CEmeryville, CA 946081285036319
  6. Joseph Hortillosa, PASan Diego, CA 921201023166964
  7. Carrington Horton, PA-CCorona, CA 928811750416665
  8. Julia Hosfield, PA-CSan Diego, CA 921081083394894
  9. Meena Hoshmand, PA-CWest Covina, CA 917901619742046
  10. John Hosley, PASacramento, CA 958171740819200
  11. Robert HostetlerLos Angeles, CA 900571982117024
  12. Carisa Hotari, PA-CAuburn, CA 956021295990364
  13. Johnathan HottaWest Hollywood, CA 900481902546922
  14. Pierre Houbein, PA-CLos Angeles, CA 900131417298753
  15. Laura Houck, PA-CRedlands, CA 923731780871400
  16. Cheri Hougland, PAPalo Cedro, CA 960731851551634
  17. Hillary Houseman, PA-CCorona, CA 928791952469371
  18. Melanie Houser, PA-CTurlock, CA 953801356786123
  19. Natalie Houser, PA-CLos Angeles, CA 900151033524442
  20. Jensen HoustonSanta Ana, CA 927051770138950
  21. Nathaniel HoustonBerkeley, CA 947101114705464
  22. Natalia Hovan, PA-CPalo Alto, CA 943011952974107
  23. Elise Hovelson, P.ASan Jose, CA 951161669891131
  24. Katrena HovsepianPasadena, CA 911041033967658
  25. Alan Howard, PA-COakland, CA 946021740405810
  26. Anjelisa HowardFairfield, CA 945351225821747
  27. Harrison Howard, PASan Diego, CA 921201326529769
  28. Michael HowardLos Angeles, CA 900491790304665
  29. Nancy Howard, P.A-CModesto, CA 953501649225871
  30. Shelby HowardLos Angeles, CA 900591164190914
  31. Stefan Howard, PAEmeryville, CA 946081962285015
  32. Elizabeth Howarth, PA-CIrvine, CA 926181740813252
  33. Douglas Howell, PA-CMadera, CA 936371003300179
  34. Mary Howell, PAC FNPDavis, CA 956161790725075
  35. Shelley Howell, PAFountain Valley, CA 927081215209770
  36. Logan Howerton, PALos Angeles, CA 900261568299188
  37. Kellie HoyFountain Valley, CA 927081669820221
  38. Wesley Hoyland, PA-CTorrance, CA 905031144187337
  39. Paula Hoyos, PA-CSan Clemente, CA 926731003494097
  40. Leila Hozhabrzadeh, PA-CStanford, CA 943051053975904
  41. Kevin HsiaoWhittier, CA 906021558832279
  42. Kerry Hsieh, PAStanford, CA 943051992831853
  43. Stephanie HsiehGualala, CA 954451720868045
  44. Winston HsiehPomona, CA 917671457085763
  45. Jamie Hsin, PA-CStanford, CA 943051740914092
  46. Angela Hsu, PA-CLos Angeles, CA 900331760981948
  47. Joseph Hsu, PACDiamond Bar, CA 917651336444959
  48. Justin HsuSan Diego, CA 921171619822806
  49. Li Chen Hsu, PA-CVisalia, CA 932911578910287
  50. Robert Hsu, MPAS, PA-CSan Jose, CA 951281821168832

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.