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 13 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. Claudia Gongora, COTA/LLos Angeles, CA 900261588421598
  2. Michelle Gonya, COTACarson, CA 907451285835777
  3. April Gonzales, COTA/LLos Angeles, CA 900191144745530
  4. Jan GonzalesIrvine, CA 926181215519905
  5. Jennifer Gonzales, COTA/LSan Diego, CA 921031861330235
  6. Jhinelle Gonzales, COTA/LWhittier, CA 906021780059782
  7. Jonathan GonzalesSunland, CA 910401215576269
  8. Lisa GonzalesLa Habra, CA 906311700155348
  9. Nicole GonzalesRosemead, CA 917701952771537
  10. Crystal GonzalezFresno, CA 937111508634999
  11. Daniel Gonzalez, COTA/LDowney, CA 902411265871057
  12. Joanna GonzalezFresno, CA 937111417836537
  13. Jody GonzalezRedlands, CA 923731194251405
  14. Jose Gonzalez, COTA/LMontebello, CA 906401568346518
  15. Lynette GonzalezLos Angeles, CA 900271659855203
  16. Migdalia Gonzalez, COTAPalm Desert, CA 922111104331131
  17. Susana Gonzalez, COTALSan Diego, CA 921111639296841
  18. Susana GonzalezLodi, CA 952401295580595
  19. Vivian GonzalezPomona, CA 917671912528522
  20. Yvette Gonzalez, COTA/LAliso Viejo, CA 926561306542105
  21. Maria Lourdes Gonzalez Perez, COTA/LSacramento, CA 958171750849766
  22. Wayne GoodeRidgecrest, CA 935551992025308
  23. Lori GoodmanLa Mesa, CA 919421730419631
  24. Shaun Goose, COTANational City, CA 919501790279073
  25. Judith GossGlendora, CA 917411225298912
  26. Alexandra GouldFullerton, CA 928321619818671
  27. Adrianne GraciaBrea, CA 928211922499672
  28. Kathryn Grady, COTA/LVacaville, CA 956871437685013
  29. Leticia Graham, COTAArvin, CA 932031487820072
  30. Taylor Gray, COTAEl Cajon, CA 920201952294985
  31. Lindsay Green, OTAEl Cajon, CA 920201104456953
  32. Marvin Green, COTATwentynine Palms, CA 922771053467035
  33. Bethany Greenwood, COTA/LHesperia, CA 923451083913099
  34. Maura GriesserSan Pedro, CA 907311023947074
  35. Ian GroomsLos Angeles, CA 900191205225372
  36. Alison Grygo, COTA/LAlameda, CA 945011770200073
  37. Gwendalyne Marie Gubatan, COTA/LLos Angeles, CA 900571073255535
  38. Daniel GuerreroPlacentia, CA 928701518689777
  39. Perry GuerreroCulver City, CA 902301497273957
  40. Esther Guerrero De Shepphard, COTASignal Hill, CA 907551790267136
  41. Patricia Guerrero TorresLos Angeles, CA 900221700431236
  42. Lindsay Guest, COTA/LBeverly Hills, CA 902111225871874
  43. Fabian Guillen, COTAWhittier, CA 906061912705815
  44. Cassandra Guinto, COTA/LDowney, CA 902411215437595
  45. Amber GuirolaDowney, CA 902421518329945
  46. Andrew Gultom, COTABanning, CA 922201518159409
  47. Edwin Gultom, COTAVictorville, CA 923951316256084
  48. Lori Gumescheimer, 224Z00000XRancho Cucamonga, CA 917301679452122
  49. Rachel Gunderson, COTA/LDanville, CA 945261053080929
  50. Kimberly GurrolaOrange, CA 928651629609920

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.