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 17 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. Leslye Jones, OTACarmichael, CA 956081154879260
  2. Pamela JonesDowney, CA 902421427571728
  3. Tiffani JonesTulare, CA 932741902667827
  4. Jeffrey JooSimi Valley, CA 930651952934598
  5. Chelsea Jordan, COTA/LEscondido, CA 920251003690843
  6. Jamie JosephLos Angeles, CA 900171093162216
  7. Vanessa JuanLong Beach, CA 908081003573031
  8. Taylor Julson, COTASan Francisco, CA 941161457283509
  9. Richard KaelinSylmar, CA 913421548003908
  10. Kenneth Kaestner, COTA/LSacramento, CA 958171871978452
  11. Karen Kakareka, COTA/LRancho Mirage, CA 922701710752332
  12. Grant Kakehashi, COTA/LDowney, CA 902421013766088
  13. Pacasie KamikaziElk Grove, CA 957581174133961
  14. Katherine Karas, COTAPalm Desert, CA 922111417532300
  15. Nazakath Kargar, COTARiverside, CA 925031306235296
  16. Beatrice Katembo, COTARiverside, CA 925031063053544
  17. Leonie Kawaguchi, COTABrea, CA 928211972068096
  18. Chelsey Kawile, COTA/LSan Diego, CA 921261831993732
  19. Thu Kearley, COTABonita, CA 919021972992154
  20. Saisunee KeawkingkeowBurbank, CA 915061033981287
  21. Lori KeebaughFullerton, CA 928321124960778
  22. Jeffrey Keefer, COTASacramento, CA 958161184164741
  23. Kristen Kempiak, OTALaguna Hills, CA 926531962935601
  24. Nonyelum KendricksElk Grove, CA 956241295477867
  25. Morgan Keppley, COTAPlaya Del Rey, CA 902931740667062
  26. Kimberly Kerpan, COTAMcKinleyville, CA 955191649403312
  27. Sabrina Kerr, BSRedondo Beach, CA 902781770053886
  28. Varsenig KeshishyanFresno, CA 937041497118533
  29. Erin Kessler, COTASan Clemente, CA 926731376944116
  30. Christin KhanbabaianEncino, CA 914361699131557
  31. Tamara Khilla, COTA/LLanchester, CA 935341750811303
  32. Kristine KhoLos Angeles, CA 900191912601998
  33. Anait Khudagulyan, OCCUPATIONAL THERAPYGlendale, CA 912021598060519
  34. Mallory KiedaFresno, CA 937271578339107
  35. Elnura KimFontana, CA 923351790302453
  36. Jaewon KimBuena Park, CA 906211902353204
  37. Jihae KimAnaheim, CA 928051558067314
  38. Naomi KimSan Diego, CA 921301588805857
  39. Danielle KingMurrieta, CA 925621306435813
  40. Jose King, COTA/LMurrieta, CA 925621992405898
  41. Debra KinkadeRancho Mirage, CA 922701437340494
  42. Melissa Kirn, COTA/LOakland, CA 946011508367681
  43. Kristyn KitabayashiLos Angeles, CA 900451770329054
  44. Megan Kleschka, OCCUPATIONAL THERAPYFountain Valley, CA 927081437924354
  45. Nataliya KlimovichRancho Cordova, CA 956701831588474
  46. Shelby KnottSan Diego, CA 921091619359460
  47. Claudia KochIrvine, CA 926121033961297
  48. Sheri Koch, CERTIFICATE LICENCEMoreno Valley, CA 925571073852554
  49. Wendi Kodalen, COTARancho Cucamonga, CA 917391548991797
  50. Mia KodamaPleasanton, CA 945881154284065

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.