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 32 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. Latanya Smith, COTA/LGardena, CA 902491093104226
  2. Lisa SmithWest Sacramento, CA 956911710590757
  3. Melissa Smith, C.O.T.A./LAnderson, CA 960071508168287
  4. Nicole Smith, COTA/LGarden Grove, CA 928411457878548
  5. Questley SmithMentone, CA 923591629777339
  6. Savannah Smith, COTA/LFresno, CA 937111568385763
  7. Shana SmithCarlsbad, CA 920081225567142
  8. Bonnie Smith-Marino, COTA/LSacramento, CA 958191780358705
  9. Renee SnookEl Dorado Hills, CA 957621083160592
  10. Sura SoSan Jose, CA 951211104594910
  11. Brenda SolaresSouth Gate, CA 902801043600935
  12. Jessica Solis, OTAGarden Grove, CA 928431376010116
  13. Rebecca SomaWhittier, CA 906021053072215
  14. Andrew SomphonphakdyLa Mirada, CA 906381225793987
  15. Angela Soong, COTA/LLos Angeles, CA 900661730711334
  16. Mylene SorianoWest Covina, CA 917921972058337
  17. Yvonne Soriano, COTA/CBrentwood, CA 945131487985453
  18. Evangelina SosaPalm Desert, CA 922111992527923
  19. Alexis SotoRiverside, CA 925041659047918
  20. Carmen SotoLaguna Hills, CA 926531003388794
  21. Leslie SotoArcadia, CA 910061003612599
  22. Leticia Soto, COTARedlands, CA 923741053098335
  23. Nadia SouzaLos Angeles, CA 900341275994402
  24. Stephen SouzaVisalia, CA 932771336784891
  25. Katie SpabergGarden Grove, CA 928431184184178
  26. Caitlin Spates, COTASan Clemente, CA 926731437473352
  27. Valorie Spaulding, OTAWatsonville, CA 950761437622347
  28. Paula SpeersRedding, CA 960011376851345
  29. Terese SpeltzMarina, CA 939331659250371
  30. Lisa Spiegel, COTALos Angeles, CA 900271851417992
  31. Melissa SpillingSan Diego, CA 921081316324627
  32. Hannah SpoonerSacramento, CA 958141053916684
  33. Alisha SpringerRancho Cucamonga, CA 917391992190375
  34. Jaylene Sta Ana, OTAGarden Grove, CA 928441083179618
  35. James Stacey, COTASacramento, CA 958251346596913
  36. Shaw StaffordLos Angeles, CA 900171649125402
  37. Shawna Stanley, COTALaguna Hills, CA 926531427255744
  38. Matthew Stansbery, COTA/LGardena, CA 902471508560897
  39. Kathleen Starr, COTA/LSan Diego, CA 921161508337148
  40. Kelly Staveley, COTACosta Mesa, CA 926261942629654
  41. Susan Stayner, COTASimi Valley, CA 930651235326364
  42. Carlyn Stech, COTA/LEscondido, CA 920291891504577
  43. Sandra Steurer, COTA/LSan Clemente, CA 926731952192411
  44. Jason StevensLa Quinta, CA 922531699222885
  45. Kristen StevensHawthorne, CA 902501740651355
  46. Amy Stewart, COTA/LEscondido, CA 920251619535432
  47. Kristina Stewart, COTASan Diego, CA 921031194935254
  48. Geovanna Stingley, COTASan Dimas, CA 917731003745183
  49. Morah Stokes, COTA/LSan Diego, CA 921211760874432
  50. Richard Stratton, COTAGarden Grove, CA 928441821118894

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.