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 16 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. Pietro Didonato, PA-CPalo Alto, CA 943041659460178
  2. Chase DiegoThousand Oaks, CA 913201306623525
  3. Kristi Diehl, PA-CChino, CA 917101417080052
  4. Margaret Difelice, PA CFairfield, CA 945331356489678
  5. Brittney DiffineRiverside, CA 925071396401592
  6. Brianna DilleyRichmond, CA 948041619790508
  7. Rachael Dillman, PAMurrieta, CA 925631740761154
  8. Jasmina Dillon, PA-CMenifee, CA 925861851577969
  9. Christina Dimmick, MEDICAL ASSISTANTFairfield, CA 945331104345537
  10. Elizabeth Dingbaum, PAOceanside, CA 920541073101564
  11. Brittany DinglerVallejo, CA 945891922648393
  12. Kim Dinh, PA-CLa Verne, CA 917501871060046
  13. Nancy Dinh, PAFoothill Ranch, CA 926101932721651
  14. Thao Dinh, PA-CEscondido, CA 920251649363185
  15. Trung Dinh, PA-CWhittier, CA 906021356718753
  16. Y Nha Thi Dinh, PA-CLaguna Hills, CA 926531578868998
  17. Isabelle Dixon, PAStockton, CA 952041376331876
  18. Neal Dixon, PABanning, CA 922201972650695
  19. Xuan Hao Doan, PATorrance, CA 905051831802578
  20. Nafise Dolan, PA-CMission Viejo, CA 926911588260616
  21. Michelle DomingoSouth Gate, CA 902801457660391
  22. Amanda Dominguez, PA-CWestlake Village, CA 913611265059307
  23. Arturo Dominguez, PA-CWest Covina, CA 917901215049523
  24. Christopher Dominguez, PAHuntington Park, CA 902551811701923
  25. Yasmin DominguezSouth Gate, CA 902801043942816
  26. Eileen Donnelly, PASanta Cruz, CA 950621558435297
  27. Timothy Donnelly, P.A.San Diego, CA 921011083995609
  28. Elizabeth Donovan, PA-CNewport Beach, CA 926601295777068
  29. Tim Doren, PA-CNorco, CA 928601528395365
  30. David Doriguzzi, PA-CLancaster, CA 935341730195728
  31. Clara Dougherty, PA-CLa Jolla, CA 920371609987619
  32. Andrea Douglas, P.A.C.Glendora, CA 917411376585497
  33. Heather Doulaki, PA-CChula Vista, CA 919141518375179
  34. Ashlyn DowellHemet, CA 925431780421867
  35. Lori Doyle, PAModesto, CA 953511982755161
  36. Russell Doyle, PARed Bluff, CA 960801720096449
  37. Kelly Doyle-Matta, PA-CFairfield, CA 945331598952335
  38. Jelena Dragoljevic, PARoseville, CA 956611104606979
  39. Gary Draper, PA-CEverett, CA 982011154404036
  40. Lynne Drewes, PAUpland, CA 917841811109168
  41. Yashveer Dubbula, PA-CLa Mesa, CA 919411972913622
  42. Jessica Dubelman, PA-CBeverly Hills, CA 902111134405020
  43. Zoila DuenasAltadena, CA 910011972492593
  44. Darcy Duffin, PA-CSan Diego, CA 921211669894713
  45. Amy Duggan, PASacramento, CA 958161427298124
  46. Veronica Duggan, P.A.Newport Beach, CA 926631790883213
  47. Chase Duhon, PA-CGrass Valley, CA 959451528705258
  48. Jessica DukesTarzana, CA 913561427888155
  49. Staci Dumas, PA-CEmeryville, CA 946081568493211
  50. Gary Dunaye, P.A.Sacramento, CA 958161033324827

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.