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 68 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. Matthew Dowell, PAOakland, CA 946111235417791
  2. Thomas Dowell, PACAtwater, CA 953011952619173
  3. Lauren Downs, PA-CSan Francisco, CA 941111609385194
  4. Sarah Downum, PA-CLos Gatos, CA 950321003784976
  5. Carmen Doyle, PA-CLos Angeles, CA 900331659590883
  6. Cassidy DoyleCarlsbad, CA 920091861126286
  7. Michael Doyle, PASan Luis Obispo, CA 934011245645050
  8. Patricia Doyle, PAYucca Valley, CA 922841871719963
  9. Philip Doyle, PA-CSacramento, CA 958161376928309
  10. Asuncion Drainer, PAUnion City, CA 945871609862598
  11. Douglas Drake, PATemecula, CA 925901356499255
  12. Salwa Drame, PA-CSan Diego, CA 921151093136426
  13. Michelle Drasin, PA-CWoodland Hills, CA 913671699062851
  14. Matthew Drause, PA-CStanford, CA 943051174096655
  15. Tracy Dreas-Penrod, PASan Diego, CA 921131467596791
  16. Karen Dress, PA-CSan Francisco, CA 941111013123157
  17. Diane Dressman, MDMountain View, CA 940401184799264
  18. Colin Drew, PA-CPalm Springs, CA 922621033493226
  19. Lori Dreyer, P.A.Bakersfield, CA 933011558561175
  20. Katherine Drilling, PA-CCarlsbad, CA 920091083349997
  21. Emily Drinkward, PA-CSan Diego, CA 921111770298267
  22. Paula Drivas, RPACLos Angeles, CA 900261497819395
  23. Samantha Dronkers, PA-CLos Angeles, CA 900251750803680
  24. Emily Druce, PA-CLa Quinta, CA 922531184456089
  25. Makenzie DruffelLos Angeles, CA 900481700612330
  26. Kristin Drummond, PA-CStanford, CA 943051851894190
  27. Aaron Drumright, PADavis, CA 956161710098330
  28. Ryan Drury, P.A.Bakersfield, CA 933091477734283
  29. Alice Du, PA-CMountain View, CA 940401568909489
  30. Ann Du, PACWest Covina, CA 917901841382314
  31. Sarah DuEl Monte, CA 917321295502763
  32. Tiffany Du, PHYSICIAN ASSISTANTStanford, CA 943051972016640
  33. Xin DuSan Diego, CA 921401538817705
  34. Kayla Du Bois, PA-CSan Diego, CA 921231922411933
  35. Melissa Duag, PA-CPico Rivera, CA 906601063588507
  36. Jose Duarte, PA-CBeverly Hills, CA 902101417293283
  37. Katrina Duarte, PA-CAnaheim, CA 928051578156881
  38. Zulma Duarte, PA-CLos Angeles, CA 900331245885912
  39. Karina Duarte VelasquezVallejo, CA 945921154158921
  40. Bethany Dube, PABeverly Hills, CA 902121881189710
  41. Kellie DubockFullerton, CA 928311558232652
  42. Lindsey Dubowy, PA-CPalo Alto, CA 943041366811861
  43. M. Dubria, P.A.Maywood, CA 902701992991863
  44. Daniel Dubrow, PA-CColton, CA 923241851940423
  45. Sebastien Duclos, PA-CStanford, CA 943051720330921
  46. Christopher DucombsFolsom, CA 956301407386816
  47. Caroline Dudley, PA-CMountain View, CA 940401457673121
  48. Cuyla Dudley, PA-C, ATCSan Francisco, CA 941111467426056
  49. Gabe Dudley, PA-CSanta Barbara, CA 931011669735981
  50. Jill Dudley, PA-CSonora, CA 953701669447819

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.