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 52 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. Simerjit Riar, PASelma, CA 936621154518363
  2. Jacob Ribakoff, PA-COceanside, CA 920551447587605
  3. Daniel Riboh, PA-CNorth Hollywood, CA 916051255046603
  4. Joseph Ricci, PHYSICIAN ASSISTANTSanta Maria, CA 934541649685280
  5. Karen RiceConcord, CA 945201033265905
  6. William Rice, PA-CEscondido, CA 920291205822210
  7. Todd Richter, PA-CChico, CA 959261366580466
  8. Laurence Rick, PA-CHarbor City, CA 907101134276041
  9. Cora RidenourSan Diego, CA 921031750168076
  10. Lindsay Riley, PA-CSoledad, CA 939601548620131
  11. Michael Riley, P.A.Santa Fe Springs, CA 906701306093174
  12. Robin Riley-Garner, PAInglewood, CA 903031689712242
  13. Benjamin Rinard, PASan Bernardino, CA 924041750943668
  14. Jill Ringer, PASanta Rosa, CA 954031417172495
  15. Donna Rios, PA-CTarzana, CA 913561326173295
  16. Dale Risenhoover, PA-CSacramento, CA 958111407228208
  17. Mary Ritter, PACSan Jose, CA 951281316042427
  18. Niloo Rivani, PA-CSan Francisco, CA 941051104221258
  19. Ricardo Rivas, PA-CTemecula, CA 925901437581774
  20. Antonio RiveraLos Angeles, CA 900571679798342
  21. Edwin Rivera, PHYSICIAN ASSISTANTSan Diego, CA 921201861474033
  22. Andrew Rives, PA-CRedlands, CA 923741023487006
  23. Dana Robben-Folsom, P.A.C.Glendora, CA 917411811939937
  24. Dale Robbins, PA-CBakersfield, CA 933051487611364
  25. David Robbins, PA-CChico, CA 959261164785093
  26. Deshawn RobersonGranada Hills, CA 913441043603400
  27. Kay Roberts, PAPalmdale, CA 935511508057316
  28. Arleada Robertson, PAPaso Robles, CA 934461275595563
  29. Brian Robertson, MS, PA-CPomona, CA 917671124270277
  30. Barbara Robertus, P.A.Santa Maria, CA 934541871503565
  31. Robbi Robinson, PA-CAlhambra, CA 918031518601533
  32. Sharon Robinson, P.A.Escondido, CA 920261700868791
  33. Susan Robinson, PASacramento, CA 958191851494918
  34. Samantha Robison, PA-CApple Valley, CA 923071952138620
  35. Joseph Robles, PA-CRedlands, CA 923731700283918
  36. Jonathan Robyn, PAEscondido, CA 920251417702887
  37. Nina Rochelle, P.A.Los Angeles, CA 900071497877138
  38. Ammie Rodden, P.A.Stanford, CA 943051275729584
  39. Olga Rodgers, PA-CSacramento, CA 958161205020146
  40. Annette Rodrigues, PASan Diego, CA 921231205381845
  41. Akosua Rodriguez, PA-CFairfield, CA 945341467639385
  42. Alexandra RodriguezMurrieta, CA 925621114493053
  43. Artemio Rodriguez, PARancho Mirage, CA 922701194984252
  44. Cristina Rodriguez, PA-CHanford, CA 932301114396710
  45. Danina Rodriguez, MALong Beach, CA 908071225843097
  46. Elizabeth RodriguezTarzana, CA 913561033948872
  47. Evelyn RodriguezRed Bluff, CA 960801376255190
  48. Jesus RodriguezWatsonville, CA 950761699532838
  49. Jorge Rodriguez, PA-CSonora, CA 953701225111750
  50. Juan RodriguezVictorville, CA 923951023808979

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.