NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Washington

806 NPPES records list occupational therapy assistant with a practice address in Washington, 10 per 100,000 residents, the 34th highest rate of 51. Seattle and Tacoma have the most; each record links to the provider's NPI and the Washington license search. Page 7 of 17.

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).

Seattle has the most, 64

  1. Seattle64
  2. Tacoma51
  3. Spokane43
  4. Federal Way40
  5. Puyallup33

Occupational Therapy Assistant records in Washington

  1. Aline HendersonShelton, WA 985841376705210
  2. Curtis Hendrickson, COTA/LFederal Way, WA 980031912282807
  3. Glenn HerreraPuyallup, WA 983721982078788
  4. Jamie Lynn Hethcock, COTA/LLakewood, WA 984991215351515
  5. Lisa HewahewaLongview, WA 986321093977795
  6. Rebecca HicksonSpokane, WA 992081528588548
  7. Kelley Hieronymus, COTA/LMoses Lake, WA 988371487998902
  8. Clarissa HillRichland, WA 993521801419874
  9. Nicole HillSpokane, WA 992021942079314
  10. Stephanie Hill, COTA/LCentralia, WA 985311295128700
  11. Connie Hillerman, COTA/LYakima, WA 989081194162198
  12. Daphne Hobbs, COTATacoma, WA 984041477930584
  13. Samantha Hobbs, OTARenton, WA 980551568009009
  14. Jeanne Hochstein, COTALongview, WA 986321588826572
  15. Susan Hodges, COTA/LMedical Lake, WA 990221790022150
  16. Marian Hoffman, COTAShoreline, WA 981551033656350
  17. Melanie Hoffmann, COTASeattle, WA 981081508952003
  18. Patrick Hogg, COTAJoint Base Lewis McChord, WA 984311023859758
  19. Christina Holden, OTAFederal Way, WA 980031609612597
  20. Adrienne Holliday, COTA/LUniversity Place, WA 984661174951867
  21. Jenna HollimanVancouver, WA 986651861808677
  22. Diane Honeyman, COTA/LSeattle, WA 981341215272455
  23. Megan HoritaSnoqualmie, WA 980651306607924
  24. Suzanne HouglandFederal Way, WA 980031841566643
  25. Kathryn Howard, COTA/LBellingham, WA 982261285113126
  26. Kimberly Howard-Lloyd, COTA/LBothell, WA 980121659263697
  27. Sarah Howell, COTA/LFederal Way, WA 980031922381946
  28. Iryna HrytsyukKent, WA 980321194211334
  29. Daniela HubenovEverett, WA 982031588109045
  30. Elizabeth Humphrey, OC61206907Lakewood, WA 984981417636010
  31. Larry Hurd, COTAPort Angeles, WA 983621982025243
  32. Olivia Husa, COTA/LSpokane, WA 992081649924564
  33. Karen Hyatt, COTACentralia, WA 985311528304078
  34. Kendra Hyde, 60978136OTA.OCMontesano, WA 985631851944342
  35. Melinda Hyde, COTAEverett, WA 982041568707347
  36. Alexis Ice, COTA/LSpokane, WA 992081265800387
  37. Kerin Ircink, COTASpokane, WA 992181326541590
  38. Becky Isley, COTA/LSunnyside, WA 989441467667352
  39. Deborah JacksonTacoma, WA 984051215272000
  40. Michael Jackson, COTATacoma, WA 984061467823104
  41. Deann JacobsonFederal Way, WA 980031760738017
  42. Michaelee JaneBremerton, WA 983101851210744
  43. Julie Javonillo, COTA/LMaple Valley, WA 980381326327073
  44. Anna Jennerjohn, COTA/LSeattle, WA 981341356030514
  45. Patricia Jennings, COTA/LSeattle, WA 981341295165827
  46. Kathi Jermulowske, C.O.T.A.Snohomish, WA 982961639429244
  47. Andrea Johnson, COTATacoma, WA 984061962902957
  48. Cassandra JohnsonTacoma, WA 984441043060999
  49. Julie Johnson, COTASpokane, WA 992181528542792
  50. Ramona Johnson, COTA/LSpokane Valley, WA 992121568236990

Source: CMS NPPES, primary taxonomy 224Z00000X: records by practice city and the list of records, file of Aug 9, 2026.

Washington ranks 34 of 51 per resident

  1. Wyoming11
  2. Massachusetts11
  3. Maryland11
  4. Washington10
  5. Oregon9
  6. Michigan9
  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.

0.0% 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. Washington0.0%
  2. United States0.1%

Occupational Therapy Assistant records in Washington, measured

  • In a Medicare file0 of 806 · 0.0% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.1% nationally
  • Not updated in five years or more576 · 71.5% 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

806 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Washington: 10 per 100,000 residents against 12 nationally (50 states and D.C.). Seattle has 64 of them (8%).

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. South Carolina744
  2. Massachusetts741
  3. Kentucky714
  4. Michigan903

States with a similar rate per 100,000

  1. Maryland10.6
  2. Wyoming11.1
  3. Oregon9.2
  4. Colorado11.7

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.