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 15 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. Stephanie SpannringProsser, WA 993501629739719
  2. Tegan SpeharSequim, WA 983821447646690
  3. Cheryl Springer, COTASeattle, WA 981951538261094
  4. Sarah Squires, COTA/LIssaquah, WA 980271487229365
  5. Deborah St. Germain, COTA/LDes Moines, WA 981981598188518
  6. Geraldine StedmanSpokane, WA 992021578529582
  7. Stacey Steele, COTAPort Angeles, WA 983621396253274
  8. Wendy Steinberg, COTAShelton, WA 985841417467820
  9. Shannon Stice, COTA/LBellingham, WA 982261740792191
  10. Carla Stoops, COTA/LSunnyside, WA 989441679818751
  11. Jessica StoverTacoma, WA 984051548136625
  12. Perry Straus, COTA/LMontesano, WA 985631770957235
  13. Eric Strom, COTA LRock Springs, WA 829011710146238
  14. Paul Strong, COTA/LSpokane, WA 992081316146244
  15. Tracy StrongMedical Lake, WA 990221659457653
  16. Gabrielle StruckOak Harbor, WA 982771265771794
  17. Jennifer Sullivan, COTA/LDeer Park, WA 990061770953051
  18. Kristina Summer, COTA/LBonney Lake, WA 983911194484360
  19. Hilary SuthersFederal Way, WA 980031689091951
  20. Laura Sutton, COTA/LNormandy Park, WA 981481528304870
  21. Payton SwalesMaple Valley, WA 980381710719992
  22. David Swanson, COTA/LPuyallup, WA 983721033597984
  23. Nicholas SzczepanskiKent, WA 980321790510527
  24. Navkiran TakharArlington, WA 982231699353185
  25. Shannon Tartaglia, COTA/LNewcastle, WA 980591649587973
  26. Dauphne Taylor, COTA/LSeattle, WA 981081366616989
  27. Tana TenoldSpokane Valley, WA 992061992133193
  28. Leilani Terao-Robidoux, COTASpokane Valley, WA 990161093247942
  29. Ruth Terry, COTASequim, WA 983821356881197
  30. Ryan Tevis, COTA/LTacoma, WA 984651407369119
  31. Deborah Thomas, COTALynden, WA 982641477533222
  32. Jayme Thomas, COTA/LLongview, WA 986321952563652
  33. Leah Thompson, COTA/LGig Harbor, WA 983351033583471
  34. Renah ThompsonSequim, WA 983821700217072
  35. Autumn Timby, COTA/LSequim, WA 983821306417365
  36. Lisa Tipton, COTATacoma, WA 984311417413329
  37. Andrew Tonder, COTA/LShelton, WA 985841811474588
  38. Pauline Toomb, COTA/LMaple Valley, WA 980381699166884
  39. Alison Town, C.O.T.A.Spokane, WA 992081275726622
  40. Sheri TreinenCentralia, WA 985311174912851
  41. Claire Trepanier, COTA/LDes Moines, WA 981981235503681
  42. Ai My Truong, COTA/LSeattle, WA 981171417837139
  43. Kristen Turner, COTA/LVancouver, WA 986821174774616
  44. Paula Vaerewyck, COTA/LShelton, WA 985841326435579
  45. Dorothy Van Valkenburg, COTABremerton, WA 983101144650136
  46. Margo Vander Woude, COTA/LFerndale, WA 982481790201275
  47. Alyssa Vang, COTA/LBellevue, WA 980051093200685
  48. Suzannah VarneyPuyallup, WA 983721952802738
  49. Bryan VaughtMilton, WA 983541194178418
  50. Shahana Velasco, COTASeattle, WA 981331851074710

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.