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 30 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. Robin Russ, COTA/LSantee, CA 920711124679055
  2. Kristine Ryan, COTA/LGarden Grove, CA 928431821682279
  3. Rachelle Erin SaavedraFullerton, CA 928321790627206
  4. Noa Sabag, COTACamarillo, CA 930101548067291
  5. Mark SabilloGlendale, CA 912041629614409
  6. Nicole Saiz, COTA/LLong Beach, CA 908021154726727
  7. Jane SakamotoLong Beach, CA 908021801142369
  8. Paige Sakelaris, C.O.T.A.Westminster, CA 926831538378658
  9. Nancy SalazarAnaheim, CA 928011275991770
  10. Patricia Salazar, COTA/LOrange, CA 928681295231876
  11. Donnie Salcedo, OTAAlhambra, CA 918031609311406
  12. Michaela SalcedoRiverside, CA 925061497318570
  13. Gloria SaldivarOntario, CA 917641356957583
  14. Vanessa Salem, COTA/LEl Cajon, CA 920191497299747
  15. Brianna Salinas, COTA/LHawthorne, CA 902501023775855
  16. Marisol Salinas, COTAHuntington Beach, CA 926491760945927
  17. Kathleen Salvatori, COTALong Beach, CA 908021518470996
  18. Alicia SalyerLaguna Hills, CA 926531952515900
  19. Monica SamayoaEncino, CA 914361942179445
  20. Julius SamonteSanta Clarita, CA 913511992400410
  21. Hannah SampsonArcadia, CA 910061407787930
  22. Julia SanabriaSan Marcos, CA 920781376392910
  23. Christopher SanchezArcadia, CA 910061952183451
  24. Rodolfo SanchezSanta Ana, CA 927051477941656
  25. Angela SandersSan Diego, CA 921031457209876
  26. Kathryn SandersLong Beach, CA 908061811388499
  27. Katelyn Sanderson, COTA/LSalinas, CA 939011144659095
  28. Ana Sandoval, COTADowney, CA 902421437685088
  29. Cecilia SandovalOakland, CA 946111801482492
  30. Danielle Sandoval, B.S., COTA (AA)Alhambra, CA 918031225537384
  31. Jenny Sandoval, COTANorth Hollywood, CA 916061194441576
  32. Josue Sandoval, COTAPleasant Hill, CA 945231003407479
  33. Johan SangalangSeal Beach, CA 907401972333631
  34. Kimjoel SanguenzaLodi, CA 952421285053249
  35. Joseph Santana, COTA/LSan Diego, CA 921301689998445
  36. Nicole Santiago De Jesus, COTA/LHayward, CA 945411083134217
  37. Leander Santos, COTA/LLos Angeles, CA 900481912559394
  38. Sean Santos, COTA/LSacramento, CA 958171124493788
  39. Fe SarmientoIrvine, CA 926031063800589
  40. Anne-Marie Satariano, COTAStockton, CA 952021760756134
  41. Alyssa Sato, COTARancho Palos Verdes, CA 902751457811507
  42. Patricia Satterfield, COTASonoma, CA 954761427281237
  43. Alejandra Saucedo, COTA/LRancho Cucamonga, CA 917301528938081
  44. Michelle SayFresno, CA 937101841736865
  45. Aimee Rose Sayao, COTAFullerton, CA 928331942172861
  46. Colleen Sayson, COTA/LMontclair, CA 917631851158828
  47. Maddison SchaferMountain View, CA 940401366902843
  48. Melissa Scheidt, OTASquaw Valley, CA 936751487592754
  49. Elyse Schenker, COTA/LPleasanton, CA 945661780190025
  50. Kelly ScheuflerSalinas, CA 939011609655257

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.