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 285 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. Emily Yang, PA-CSanta Monica, CA 904041356951941
  2. Kelly YangOrange, CA 928681215588991
  3. Kristy YangOakland, CA 946061992363626
  4. Lihua YangSan Gabriel, CA 917761528492808
  5. Patricia YangWalnut Creek, CA 945981326802935
  6. Sua Yang, PA-CBakersfield, CA 933091518143189
  7. Thang Yang, PA-CMarysville, CA 959011518240506
  8. Victor Yang, PAFremont, CA 945381609541192
  9. Zuag Yang, PAFresno, CA 937211033356126
  10. Ashley Yang-Halsey, PA-CHanford, CA 932301952958738
  11. Joseph Yanity, PA-CSan Francisco, CA 941431811184369
  12. Daniel YanovConcord, CA 945211144987504
  13. Emily Yao, PASacramento, CA 958161043051691
  14. Marites YaoSierra Madre, CA 910241417683988
  15. Timothy Yao, PA-CSalinas, CA 939011760712699
  16. Clara Yarbrough, PALos Angeles, CA 900651811043474
  17. Jennifer Yarbrough, PASan Diego, CA 921201023134285
  18. Angelica Yasawadi, PA-CStanford, CA 943051144881061
  19. Ailaar YaseyyediBeverly Hills, CA 902111891407300
  20. Jennifer Yasharal, PA-CSanta Clarita, CA 913551952739617
  21. Laura Yassa, PASoquel, CA 950731689245904
  22. Neil Yasuda, PAVan Nuys, CA 914051508417932
  23. Tatyana Yatskiv, PA-CCarmichael, CA 956081881451805
  24. Tiffanie Yau, PA-CStanford, CA 943051063790095
  25. Thomas Yaw, PA-CManteca, CA 953361205351459
  26. Mojdeh Yazdani, PAHarbor City, CA 907101699980482
  27. Zahra Yazdani, PA-CLos Angeles, CA 900591033246236
  28. Hydi YbarraHawthorne, CA 902501730929563
  29. Lindsey Ybarra, PA-CRedlands, CA 923731417667676
  30. Sandra Ybarra, F.N.P.Ventura, CA 930091902843410
  31. Madison Ybarra-GustavRedlands, CA 923731043177116
  32. Ariana Yea, PA-CCorona, CA 928821265156483
  33. Joline Yeager, PACAnaheim, CA 928011558439604
  34. Alexandra YeeVallejo, CA 945921245797000
  35. Daniel Yee, PA-CStanford, CA 943051619414430
  36. Kathleen YeeUnion City, CA 945871902683022
  37. Laura Yee, PA-CLaguna Niguel, CA 926771740685999
  38. Nicole YeeCerritos, CA 907031225907199
  39. Sheena Yee, PADuarte, CA 910101174939722
  40. Wilson Yee, PA-CSanta Ana, CA 927051447325840
  41. Erick Yeh, PA-CNorthridge, CA 913241710753132
  42. Jennifer YehAptos, CA 950031982182028
  43. Stephanie Yeh, PA-CSan Mateo, CA 944031467926477
  44. Charlene YenRosemead, CA 917701043141864
  45. Inyoung Yeo, PAManteca, CA 953361093424889
  46. Christine Yep, PA-CSan Juan Capistrano, CA 926751871071761
  47. Lisa Yepez, PA-CSanta Clara, CA 950511881819548
  48. Talar Yepremian, PA-CSacramento, CA 958161588393284
  49. Randy YergensonBanning, CA 922201235510504
  50. Lakshmi Yerneni, PA-CPalo Alto, CA 943011568690592

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.