NPPES file of Aug 9, 2026

Occupational Therapy Assistant in California

1,869 NPPES records list occupational therapy assistant with a practice address in California, 5 per 100,000 residents, the 49th highest rate of 51. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 10 of 38.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 224Z00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 124

  1. San Diego124
  2. Los Angeles105
  3. Sacramento56
  4. Anaheim43
  5. Long Beach43

Occupational Therapy Assistant records in California

  1. Jeffery DrewesSanta Barbara, CA 931051609500172
  2. Rosilene DriggsLong Beach, CA 908031730574336
  3. Amy Drow, COTA/LRialto, CA 923761134766926
  4. Ethan DuUpland, CA 917861215854781
  5. Erandi Duarte, COTA/LWest Covina, CA 917921811409501
  6. Janvi DudhatraSanta Clara, CA 950501801631254
  7. Amanda DufresneDowney, CA 902421184150401
  8. Maria DukusIrvine, CA 926021588118814
  9. Miguel Dumlao, COTA/LLos Angeles, CA 900481215725460
  10. Jodi DunckelHemet, CA 925441497109391
  11. Alyxzandra DunnValencia, CA 913551427630326
  12. Jodie Dunnihoo, COTAEl Monte, CA 917331023483237
  13. Myrna Duran, C.O.T.A.San Diego, CA 921111194937946
  14. Vanessa Dyoco, COTAFontana, CA 923361518357417
  15. Celica Eagleson, COTA/LSanta Monica, CA 904031508377227
  16. Michelle EatonBrea, CA 928211790466332
  17. Nicole Eccles, COTA/LSan Clemente, CA 926731104532639
  18. Latoya Ecuyer, COTA/LCamarillo, CA 930101184166829
  19. Anna EdwardsBakersfield, CA 933041699164590
  20. Deanna Edwards, COTA/LApple Valley, CA 923071700729332
  21. Kelechi Egbuziem, COTAFresno, CA 937101093278921
  22. Joshua Eldridge, COTACitrus Heights, CA 956101538419296
  23. Kevin Eldridge, COTAVisalia, CA 932771619812294
  24. Marissa ElguezabalUpland, CA 917861699627448
  25. Shanone EliacinUnion City, CA 945871760198485
  26. Annette Elliott, OTAAuburn, CA 956021588775142
  27. Aileen Ellis, COTA/LGlendale, CA 912051447535067
  28. Leah Elmasry, COTA/LAliso Viejo, CA 926561407418460
  29. Loise Elorde, COTA/LBellflower, CA 907061679338214
  30. Victoria Elsessere, COTAVan Nuys, CA 914061225495625
  31. Nasym EmamiPlacentia, CA 928701801152475
  32. Lorraine EngelApple Valley, CA 923071922942291
  33. Nina Marie Enriquez, COTA/LLos Angeles, CA 900291881340321
  34. Jennifer EscamillaNorco, CA 928601992347199
  35. Maura Escobar GuillenHuntington Park, CA 902551902648587
  36. Yolanda EscotoChula Vista, CA 919101821985979
  37. Christiana Eseller, COTA/LSan Diego, CA 921211033765771
  38. Noeme Espero, COTAOrange, CA 928681790945095
  39. Lidia Espinoza, COTATemecula, CA 925901902304850
  40. Maria Espiridion, COTA/LOrange, CA 928681477923415
  41. Chelsy Esqubel, COTA/LLong Beach, CA 908041306739347
  42. Teresa Esquivel-Parkinson, COTA/LSacramento, CA 958251417309246
  43. Riza EstardoSan Jose, CA 951121952950305
  44. Sara EstradaSan Bernardino, CA 924081912885252
  45. Edner EstrellaGlendale, CA 912011942848759
  46. Daniela Eugenio, COTA/LApple Valley, CA 923071679416028
  47. Savannah EvansSan Diego, CA 921031043859481
  48. Kelly EvensonLakeport, CA 954531487264651
  49. Pedro FajardoBakersfield, CA 933061497294474
  50. Meray FaragSanta Ana, CA 927071477449759

Source: CMS NPPES, primary taxonomy 224Z00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 49 of 51 per resident

  1. Alabama5
  2. Georgia5
  3. Louisiana5
  4. California5
  5. District of Columbia4
  6. Utah4
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 224Z00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 0.1% 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. California0.1%
  2. United States0.1%

Occupational Therapy Assistant records in California, measured

  • In a Medicare file2 of 1,869 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file2 · 0.1% here, 0.1% nationally
  • Not updated in five years or more1,080 · 57.8% here, 72.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 224Z00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,869 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in California: 5 per 100,000 residents against 12 nationally (50 states and D.C.). San Diego has 124 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. Pennsylvania2,155
  2. Illinois1,498
  3. Wisconsin1,460
  4. North Carolina1,357

States with a similar rate per 100,000

  1. Louisiana4.9
  2. Georgia5.1
  3. District of Columbia4.1
  4. Alabama5.5

The largest states

  1. Texas4,278
  2. Florida3,825
  3. New York2,732
  4. Ohio2,421
  5. Pennsylvania2,155

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.