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 16 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. Katie HoltSan Diego, CA 921171164300596
  2. Veronica Hon, COTAFullerton, CA 928321164811832
  3. Jennifer Hopson, COTACapitola, CA 950101164961389
  4. Rebecca Horne, COTA/CSan Clemente, CA 926721689065245
  5. Sharron Howard, OTAEl Cajon, CA 920191447613393
  6. Miranda Hower, COTADavis, CA 956161932982964
  7. Kimberly Hoy, COTA/LAnaheim, CA 928011275315418
  8. Catherine HsiBerkeley, CA 947021093323297
  9. Jessica Hsian, COTALos Angeles, CA 900481497500615
  10. Lora Hughes, COTAPomona, CA 917671154950608
  11. Louise HughesSan Diego, CA 921081013388008
  12. Malinda Hullet, COTA/LFullerton, CA 928321427990290
  13. Tracy Hume, COTA/L, CSRSJurupa Valley, CA 925091033033626
  14. Dawn Hutchcraft-Vargas, COTASacramento, CA 958641811224181
  15. Joshua Hutchison, COTAUnion City, CA 945871467017863
  16. Dandy HuynhStanton, CA 906801568035293
  17. Eric HuynhGardena, CA 902481881412948
  18. Joan HwangLos Angeles, CA 900061326710369
  19. Audrey IbarraDiamond Bar, CA 917651891626982
  20. Brianne Ilaban, COTATwentynine Palms, CA 922771518855824
  21. Khalila Ilagan, COTA/LVNPerris, CA 925711710536313
  22. Charisse Vinzelle ImatongSanta Ana, CA 927071598420143
  23. Frances IndaChula Vista, CA 919151902104425
  24. Elizabeth IsonoBerkeley, CA 947101740836857
  25. Dakota IversonPasadena, CA 911011316573637
  26. Kent IwaiAlhambra, CA 918011972992287
  27. Sabrina JacksonEl Monte, CA 917321497141931
  28. Adrienne Jacobson, COTALos Angeles, CA 900171780539007
  29. Christian JacotSan Diego, CA 921041700393485
  30. Ned-Louise Jaggers, OTA/LColton, CA 923241902101280
  31. Linda JaghlassianEl Cajon, CA 920211396126975
  32. Elizabeth Jaimes, COTAElk Grove, CA 956241841083615
  33. Lily Jamison, OTA/LCosta Mesa, CA 926261811361140
  34. Jennifer Janeczko, COTA/LLos Gatos, CA 950321376394155
  35. Kayli JanssenLa Verne, CA 917501538694351
  36. Michael JarvinaArtesia, CA 907011437626561
  37. Jeannette Valeriano Jeannette ValerianoTarzana, CA 913561518768324
  38. Jamie Jeffredo, COTASan Diego, CA 921231891822516
  39. Penny Jenkins, COTA/LGlendale, CA 912061720644370
  40. Peggy JeuAnaheim, CA 928041760666978
  41. Ashley JimenezMorgan Hill, CA 950371417748609
  42. Flor JimenezWhittier, CA 906021164227344
  43. Leslie JimenezBeverly Hills, CA 902111295691954
  44. Sajid Jimenez, OTAVisalia, CA 932771275165219
  45. Grace JinUnion City, CA 945871417449034
  46. Briah JohnsonEncinitas, CA 920241366273252
  47. Kiona Johnson, COTAModesto, CA 953501457058588
  48. Michael JohnsonAntioch, CA 945091225435779
  49. Jenine JolicoeurSacramento, CA 958261619758976
  50. Christoper Jones, COTAChico, CA 959731770094435

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.