NPPES file of Aug 9, 2026

Medical Physician Assistant in California

3,376 NPPES records list medical physician assistant with a practice address in California, 9 per 100,000 residents, the 36th 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 57 of 68.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363AM0700X · 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, 225

  1. Los Angeles225
  2. San Diego169
  3. Sacramento105
  4. Fresno81
  5. San Francisco74

Medical Physician Assistant records in California

  1. Ashley Sheng, PASan Diego, CA 921231841079514
  2. Nancy Shenouda, PASouth Gate, CA 902801427290980
  3. Joseph ShepherdSan Diego, CA 921021437657020
  4. Kerri Sherard, PA-CWoodland, CA 957761649381963
  5. Isabella Sherbatova, PAGoleta, CA 931111518002963
  6. Alexis Sherer, PA-CMill Valley, CA 949411720610322
  7. Carolin Sherf, PHYSICIAN ASSISTANTPanorama City, CA 914021437478880
  8. Omar SherwaniTarzana, CA 913561114721750
  9. Dalton ShevlinSan Clemente, CA 926731407646839
  10. Cheiny Shiau, PA-CLos Angeles, CA 900131477036895
  11. Yao Der ShiehPomona, CA 917671881321123
  12. Susan ShimaSanta Ana, CA 927041265233688
  13. Kristin Shimazaki, PA-CLomita, CA 907171306358882
  14. Elmira Shishim, PAVentura, CA 930031174777536
  15. Joycelynn Shiu, PA-CNorth Highlands, CA 956601184937377
  16. Lynn ShoemakerSanta Barbara, CA 931011932287885
  17. Stacey Shoop, M.D.Santa Ana, CA 927041104222124
  18. Timothy Shortnacy, PAVisalia, CA 932911679513840
  19. Katie Shubin, PA-CLong Beach, CA 908071538196837
  20. Saema Sial, PALake Elsinore, CA 925321316312440
  21. Nicole Siao, PASan Diego, CA 921231205910007
  22. Gaby Sibo, PA-CFolsom, CA 956301104254671
  23. Jon Siiteri, PAStanford, CA 943051609801539
  24. Mayra Silhy, PARiverside, CA 925031407128929
  25. Allen SilvaLancaster, CA 935341831039627
  26. Elizabeth Silva, PA-CCommerce, CA 900401679094213
  27. Marie Silva, PATurlock, CA 953801700978970
  28. Rebecca Silva, PA-CMonterey Park, CA 917541477652931
  29. Benjamin Simpson, P.A.Riverdale, CA 936561013224369
  30. Shira Simpson, MMS, PA-CPalo Alto, CA 943041417383159
  31. Cody Sims, PA-CVisalia, CA 932911083924849
  32. Karen Singer, PAFountain Valley, CA 927081477731628
  33. Madhulika Singh, P.A.-CSan Dimas, CA 917731841253200
  34. Bolynthia Singleton, PA-CMarina Del Ray, CA 902921679630602
  35. Robert SingletonLos Angeles, CA 900731609015031
  36. Robert SirrineMadera, CA 936361093409856
  37. Pongmakthikraksorivo SisowathSanta Fe Springs, CA 906701962218560
  38. Theresa Sivers-Teixeira, PA-CPasadena, CA 911051235551995
  39. Eva Skulsky, P.A., M.P.A.S.Oceanside, CA 920561841536208
  40. Sheldon Sloan, PA-CLakeport, CA 954531285607259
  41. Angelo Smith, PA-CLos Angeles, CA 900121760076350
  42. Carolyn Smith, P.A.San Luis Obispo, CA 934011114128956
  43. Elaine Smith, PA-CLawndale, CA 902601356512289
  44. Gabriel Smith, PA-CMill Valley, CA 949411376716084
  45. Jeffrey Smith, PA-CHemet, CA 925431497847859
  46. Judith Smith, PA-CLynwood, CA 902621174795777
  47. Karen Smith, PA-CMission Hills, CA 913451629217377
  48. Kristin Smith, P.A.Loma Linda, CA 923541982735726
  49. Kylie Smith, PA-CLos Angeles, CA 900331932548443
  50. Matthew Smith, P.A.-CRancho Mirage, CA 922701295774826

Source: CMS NPPES, primary taxonomy 363AM0700X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 36 of 51 per resident

  1. Nevada10
  2. Kansas9
  3. South Carolina9
  4. California9
  5. Tennessee9
  6. New Jersey9
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 363AM0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.1% of these records appear in a Medicare file, against 74.0% 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. California69.1%
  2. United States74.0%

Medical Physician Assistant records in California, measured

  • In a Medicare file2,332 of 3,376 · 69.1% here, 74.0% nationally
  • In the CMS Doctors and Clinicians file1,348 · 39.9% here, 54.5% nationally
  • Not updated in five years or more1,823 · 54.0% here, 54.7% nationally
  • Median graduation year2012 · the 1,347 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363AM0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,376 NPPES records list medical physician assistant (363AM0700X) as their primary taxonomy with a practice address in California: 9 per 100,000 residents against 12 nationally (50 states and D.C.). Los Angeles has 225 of them (7%).

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 York3,670
  2. Pennsylvania3,897
  3. Florida2,776
  4. Texas2,146

States with a similar rate per 100,000

  1. Tennessee8.6
  2. New Jersey8.5
  3. South Carolina9.2
  4. Minnesota8.0

The largest states

  1. Pennsylvania3,897
  2. New York3,670
  3. Florida2,776
  4. Texas2,146
  5. North Carolina1,352

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.