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 15 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. Tatyana Deck, PAWest Sacramento, CA 956911720230543
  2. Karen Declue, PA-CHighland Park, CA 900421174858534
  3. William Defazio, PA-CSacramento, CA 958381184819807
  4. Michael Deguzman, PA-CMoreno Valley, CA 925531235202144
  5. Rhian Deguzman, PA-CSanta Ana, CA 927041417263658
  6. Jordan Del Castillo, PA-CMilpitas, CA 950351417761586
  7. Walter Del Pinal, PALos Angeles, CA 900311356451082
  8. Andrew Del Rio, MALancaster, CA 935341699575597
  9. Claudia Del Toro, PHYSICIAN ASSISTANTPacoima, CA 913311639472913
  10. Alma Del Valle, PASacramento, CA 958271497055198
  11. Sandra Del Valle, PAHemet, CA 925431003188368
  12. Karen Delahoussaye, PA-CCommerce, CA 900401134138647
  13. Suzette Delaware, PA CRancho Mirage, CA 922701669684932
  14. Daniel Delcollo, PA-CFolsom, CA 956301649325762
  15. Evette Deleon, CMADesert Hot Springs, CA 922401982255857
  16. Angel Delgadillo, P.A.Whittier, CA 906031821297482
  17. Kevin Delgadillo, PA-CLa Mesa, CA 919421770750978
  18. Connie Delgado, PA-CCoachella, CA 922361568529048
  19. Wendy Delgado, PA-CNewport Beach, CA 926601063725059
  20. Berenice Delgado PradoPalmdale, CA 935501952241952
  21. Tracey Delnero, PA-CSacramento, CA 958191821141144
  22. Lara Demaio, PHYSICIAN ASSISTANTFair Oaks, CA 956281467906610
  23. Marissa Dembek, PA-C, CAQ-PSYCHOrange, CA 928661376273334
  24. Holly Demetrescu, PAIrvine, CA 926121104294305
  25. Cheryl Demonner, PA-CSanta Cruz, CA 950651205067410
  26. Patricia Demoor, PA-C, MSSan Francisco, CA 941431477721702
  27. Mary DempseyInglewood, CA 903011497491443
  28. Daniel Depmore, P.A.San Clemente, CA 926731336151224
  29. Sharareh Derakhshandeh, PASan Jose, CA 951241225216674
  30. Christian Derefield, P.A.Irwindale, CA 917021124130976
  31. Julia Derenzi, PASan Ramon, CA 945831932369469
  32. Dana Derissi, P.A.-CLa Mesa, CA 919421063829505
  33. Michele Dernay, PA-CFairfield, CA 945341336432384
  34. Immaculate Desilva, PA-C, MPHBakersfield, CA 933111578186458
  35. Danielle DestasioSanta Maria, CA 934541699544890
  36. Rachel Detienne, PA-CRedlands, CA 923741649985615
  37. Alex Detrana, PALancaster, CA 935341568549970
  38. Ana DevaneySanta Barbara, CA 931031639552086
  39. John Devere, PA-CPomona, CA 917671811921380
  40. Michael Devereux, PA-CSunol, CA 945861225217979
  41. Juan Devilla, PASacramento, CA 958251710048319
  42. Matthew Devries, P.A.-CSan Diego, CA 921611487677092
  43. Michelle Dewindt, P.A.-CGlendale, CA 912041093040784
  44. Namneet Dhaliwal, PAOrange, CA 928681194846691
  45. Carmen Diaz, PA-CLos Angeles, CA 900111588939466
  46. Mischel DiazTarzana, CA 913561912736687
  47. Monica Diaz, PACSouth Gate, CA 902801316277700
  48. Katy DibeneEl Segundo, CA 902451578052916
  49. Alejandra Dicaro, PAOrange, CA 928681528360724
  50. Takara Dickson, PHYSICIAN ASSISTANTFairfield, CA 945331184249146

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.