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 286 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. Elena Yeroushalmi, PA-CLos Angeles, CA 900481467920496
  2. Brianne Yeskey, PA-CNapa, CA 945591093645772
  3. Lisa Yeung, MS, PA-CWest Covina, CA 917901215062526
  4. Wai-Tak Annie Yeung, P.A.Alhambra, CA 918011679892582
  5. Juna Yi, PA-CStanford, CA 943051518646868
  6. Larry Yi, PA-CLos Angeles, CA 900021568218824
  7. Michael Yi, PA-CFountain Valley, CA 927081316713274
  8. Stephanie Yi, PA-CBeverly Hills, CA 902101598489346
  9. Sharon Yik, PA-CLos Angeles, CA 900331477198620
  10. Kerem Yilmaz, PA-CRiverside, CA 925051699475962
  11. Kevin Yim, PA-CHesperia, CA 923451013001213
  12. Theresa Yim, MHS, PA-CSan Francisco, CA 941341427423052
  13. Casey Yin, PAWest Covina, CA 917901811411705
  14. Hal Yingling, PAPalo Cedro, CA 960731588824361
  15. Christine Yip, P.A.-CKeene, CA 935311922170083
  16. Dorothy Tseng Yip, PA-CWalnut Creek, CA 945981558654301
  17. Jackai Yip, PA-CSan Diego, CA 921151558676171
  18. Larry Yip, PA-CLos Angeles, CA 900331356777494
  19. Lillian YipSanta Rosa, CA 954031275376139
  20. Shari Ylma, PAHarbor City, CA 907101235330127
  21. Stephanie Yniguez, PA-CSacramento, CA 958161245686211
  22. Annalyn Ynostroza, PA-CSeaside, CA 939551457188310
  23. Bethlehem YohannesEl Segundo, CA 902451467316927
  24. Grace Yomogida, PABrawley, CA 922271861278087
  25. Eileen YooVallejo, CA 945921427684778
  26. Heather Yoo, MS, PA-CWhittier, CA 906021750711487
  27. Jea YooOrange, CA 928681245828946
  28. Judy Yoo, PASeal Beach, CA 907401548902331
  29. Kimberly YooVallejo, CA 945921740007764
  30. Michelle YooSanta Maria, CA 934541942070198
  31. Charity YoonWildomar, CA 925951073842183
  32. Grace Yoon, PALoma Linda, CA 923501619691086
  33. Han YoonTorrance, CA 905011619548161
  34. James Yoon, PA-CBuena Park, CA 906211669930905
  35. Yoo Min YoonOakland, CA 946091053176701
  36. Christopher York, PA-CMarysville, CA 959011700678364
  37. Roya YosefiAlhambra, CA 918031649029851
  38. Danichi Yoshida, PA-CNewport Beach, CA 926601679971352
  39. Phillip Yoshimura, PA-CStockton, CA 952021831252832
  40. Toyen Yoshizuka, PA-COrange, CA 928681013510825
  41. Alanda YounanSanta Maria, CA 934541558131649
  42. Maryam Younessi, PA-CLos Angeles, CA 900251841585932
  43. Aleena YoungCarlsbad, CA 920091477241099
  44. Angela Young, PASacramento, CA 958161992448690
  45. Benjamin Young, PASan Jose, CA 951281538657846
  46. Danny Young, PASacramento, CA 958161861674673
  47. Dylan Young, PA-CLodi, CA 952401982354544
  48. Jeffrey Young, P.A.-C.San Jose, CA 951281821009085
  49. Jeffrey Young, PACSan Jose, CA 951281730472036
  50. Jennifer Young, MMSC, PA-CLa Jolla, CA 920371770849606

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.