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 45 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. Samantha ChenVallejo, CA 945921386516169
  2. Susan Chen, PA-CLos Angeles, CA 900071891995049
  3. Sylvia Chen, P.A.-C, MMSSanta Monica, CA 904041023131786
  4. Tammy ChenDiamond Bar, CA 917891285347377
  5. Tida ChenFullerton, CA 928311144052895
  6. Vicki ChenBeverly Hills, CA 902101417351016
  7. Xinyue ChenFremont, CA 945381700629607
  8. Yanjiao Chen, P.A.-CLos Angeles, CA 900221164645974
  9. Yi Chen, PA-CSacramento, CA 958161497774194
  10. Yiling Chen, PAMission Hills, CA 913451215429733
  11. Wei Chen-WuOntario, CA 917621063031219
  12. Yasmin Chene, PASan Bernardino, CA 924101275661670
  13. Lindsey Chenes, PA-CRancho Mirage, CA 922701104295427
  14. Ada Cheng, PA-CStanford, CA 943051285163220
  15. Amy Cheng, PA-CEastvale, CA 928801689379158
  16. Angeline ChengOrange, CA 928681407641442
  17. Gloria Cheng, PASan Francisco, CA 941181548662109
  18. Helen ChengSanta Clara, CA 950511851027734
  19. Isabel Cheng, PA-CEscondido, CA 920251578387049
  20. Judy Cheng, PA-CBeverly Hills, CA 902101225709330
  21. Nicole Cheng, PA-CStanford, CA 943051750955829
  22. Tiffany ChengNewport Beach, CA 926631730746488
  23. Vickie Cheng, PA-CBurbank, CA 915051548715170
  24. Jonathan Cheong, PA-CStanford, CA 943051144871336
  25. Cicily Cherian, PACSan Francisco, CA 941111275770497
  26. Sheryl CherianFremont, CA 945391023813789
  27. Michael Chernyaev, PAVallejo, CA 945921407506926
  28. Reena Cherry, PA-CSan Diego, CA 921031689729683
  29. Magdalena Cherubin, PA-CStanford, CA 943051649655622
  30. Kathleen Chesney, PACRedding, CA 960011528144912
  31. Aubree Chesnut, PA-CSanta Monica, CA 904031134541436
  32. Angela Cheung, PA-CFrench Camp, CA 952311396278008
  33. Calvin Cheung, PA-CAnaheim, CA 928011467914937
  34. Doris Cheung, MPA, PA-COakland, CA 946121568703627
  35. Eric Cheung, PA-CLos Angeles, CA 900121013421973
  36. Helen Cheung, PA-SSacramento, CA 958191598142309
  37. Iris CheungSan Francisco, CA 941111568184505
  38. Kendrick CheungSan Jose, CA 951321801755335
  39. Leiana-Richelle CheungOceanside, CA 920561497488571
  40. Tung Cheung, P.A.Alhambra, CA 918011992746010
  41. Phillip Chew, MSPAS, PA-C, MPHLos Angeles, CA 900251730224668
  42. David Chhea, PA-CLos Angeles, CA 900221265132252
  43. Henry Chhiv, PA-COakland, CA 946071316408453
  44. Ponlork ChhornGarden Grove, CA 928401477488476
  45. May Chhun, PA-CTemecula, CA 925921912638859
  46. Thomas Chi, PA-CAnaheim, CA 928041497220768
  47. Kelly ChiangSacramento, CA 958151679245310
  48. Nicholas ChiangClaremont, CA 917111245729391
  49. Priscilla Chiang, PA-CPalo Alto, CA 943041881567147
  50. Jane Chic, P.A.-CNapa, CA 945591902953789

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.