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 19 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. Karen Leake, AA COTACarmichael, CA 956081487887147
  2. Janet LeeThousand Oaks, CA 913611174169833
  3. Keara Lee, COTASan Diego, CA 921221295458396
  4. Sandra Lee, COTA/LBrea, CA 928211255843793
  5. Seijin Lee, COTAAnaheim, CA 928041386341626
  6. Somin Lee, COTATorrance, CA 905031609793165
  7. Taejun Lee, COTA/LFontana, CA 923361649672924
  8. Ye Ji LeeSanta Fe Springs, CA 906701073454898
  9. Christian LeivaWinnetka, CA 913061437515210
  10. Mandy LentiniOrange, CA 928671154710143
  11. Mariana Leon GarciaSan Diego, CA 921011811428170
  12. Crystal Levenson, COTA/CYorba Linda, CA 928861134328206
  13. Mary Liz Levine, COTASanta Maria, CA 934551861278129
  14. Luca LevoratoCulver City, CA 902321124204128
  15. Marsha LevySanta Barbara, CA 931111124896279
  16. Brenda Lewis, COTA/LSacramento, CA 958211639704356
  17. Dedra Lewis, COTA/LVictorville, CA 923921477877629
  18. Heather Lewis, COTAHalf Moon Bay, CA 940191952600116
  19. Kimberly Lewis, OTAChico, CA 959731184852329
  20. Lisa LewisValley Village, CA 916071669861993
  21. Megan LewisSan Diego, CA 921301083958573
  22. Shari Lewis, C.O.T.A.Canyon Country, CA 913871669861118
  23. Yen Li, COTA/LMenifee, CA 925851952173353
  24. Cyril LicudineEscondido, CA 920291962211136
  25. Christine LightMorgan Hill, CA 950371134999394
  26. Jesse LimonWest Covina, CA 917901346785078
  27. Laura Limon Tavarez, COTAAlhambra, CA 918031417675307
  28. Renee LinGlendale, CA 912011003454737
  29. Nikita LindsaySan Diego, CA 921081598154031
  30. Diane Lindsey, OTA/LSan Diego, CA 921111205143872
  31. Jessica Lindsey, COTA/LRedding, CA 960011497229181
  32. Gisela LinoRiverside, CA 925061174466528
  33. Vanessa LiraDana Point, CA 926241053098376
  34. Cicera Lisboa De MeloCorona Del Mar, CA 926251154163368
  35. Rachel Litsas, COTASan Diego, CA 921161316582836
  36. Katherine LittleWatsonville, CA 950761225729908
  37. Kristen Lloyd, COTAEl Dorado Hills, CA 957621184380255
  38. Alina Loboda, COTA/LElk Grove, CA 956241124905310
  39. Randi LochrayHuntington Beach, CA 926471770037483
  40. Heather Logue, COTA/LSan Diego, CA 921301316668460
  41. Blanca LomeliMerced, CA 953401982307500
  42. Jennifer Longoria, OTAFairfield, CA 945341639425721
  43. Gabriela Lopez, COTASan Diego, CA 921231245193150
  44. Jasmin Lopez, COTA/LEscondido, CA 920251912670670
  45. Jennifer LopezFountain Valley, CA 927081750102869
  46. Jessica LopezEncino, CA 914361053946731
  47. Jessica Lopez, COTA/LCosta Mesa, CA 926261831963024
  48. Josias Lopez, OTALos Angeles, CA 900481356194559
  49. Krystal LopezSan Bernardino, CA 924081154297364
  50. Lindsay LopezBrentwood, CA 945131962993667

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.