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 7 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. Cody Cohen, COTA/LThousand Oaks, CA 913611346732195
  2. Kyla ColeCovina, CA 917231790427201
  3. Elizabeth ColucciJoshua Tree, CA 922521841467891
  4. Shirley Comilang-Maen, COTAVallejo, CA 945891497106074
  5. Marian Concepcion, COTA/LLaguna Hills, CA 926531891183836
  6. Kerri ConnollyNapa, CA 945591003322850
  7. Alejandra Contreras, COTA/LChino, CA 917101962273359
  8. Allyson Contreras, COTA/L, B.S, CLTHuntington Beach, CA 926461346177516
  9. Josselyn ContrerasCorona, CA 928831013563782
  10. Krystal Coogan, COTA/LVacaville, CA 956871700309242
  11. Gloria CooksUniversal City, CA 916081174242960
  12. Douglas CopelandEureka, CA 955011134669617
  13. Tracie Cordeiro, COTA/LTurlock, CA 953801841832185
  14. Kelsey CordleSanta Barbara, CA 931051720647241
  15. Cynthia Cordova, COTA/LWhittier, CA 906021033659370
  16. Debbie Cornejo, COTA/LLos Angeles, CA 900201144055344
  17. Tia Cornelius, COTASan Ysidro, CA 921731700367224
  18. Jessica Cornnor, COTAChico, CA 959281710337050
  19. Ashlie CoronaCovina, CA 917231538845342
  20. Brittney CoronadoCarmichael, CA 956081871430678
  21. Guadalupe CorreaLos Angeles, CA 900171942155189
  22. Juan Carlo CortesLong Beach, CA 908051285024612
  23. Vanessa CortezWalnut, CA 917891851167993
  24. Susanne Couture, AA COTARoseville, CA 956611366675050
  25. Matthew Covarrubias, COTA/LLos Angeles, CA 900481972465805
  26. Brandi Cowan, OTARescue, CA 956721255940250
  27. Caroline CoxeCarlsbad, CA 920081942413034
  28. Alissa Cramer, COTA/LCamp Pendleton, CA 920551922991280
  29. Elizabeth CrawfordRancho Cordova, CA 956701609585553
  30. Kristin Criste, COTASacramento, CA 958181851799803
  31. Kellen Crooks-Simpkin, COTAMonterey, CA 939401720828700
  32. Laura CrossSanta Maria, CA 934541073983599
  33. Mary Cross, COTAEureka, CA 955031417245333
  34. Kenneth CrutchfieldAnaheim, CA 928021184321028
  35. Cody Cruz, COTA/LSacramento, CA 958171972473478
  36. Faye Cruz, COTA/LCerritos, CA 907031457740383
  37. Maria Jessica CruzLong Beach, CA 908071104364264
  38. Olivia Cruz-CelisSylmar, CA 913421205529997
  39. Hannah CruzadoFullerton, CA 928321194371146
  40. Estella Cuevas, COTAChula Vista, CA 919101902028525
  41. Jacob CunneaCypress, CA 906301801483862
  42. Crystal Cupidon, COTAFresno, CA 937221639922826
  43. Jennifer Cupp, COTAValencia, CA 913551346630050
  44. Brenda CurtsThousand Oaks, CA 913611477042380
  45. Laura D'Amico, COTA/LWhittier, CA 906021255994554
  46. Donna D'Amore, COTAFremont, CA 945381689881104
  47. Anna DacostaSan Francisco, CA 941231851719256
  48. Ali Dakhlallah, OTSan Diego, CA 921111285067009
  49. Anita Dallman, COTAVisalia, CA 932921831313519
  50. Kathryn Daly, COTA/LSan Francisco, CA 941161114810975

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.