Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Slater, COTA/L

Individual provider Occupational Therapy Assistant · NPI 1144813791

William Slater, COTA/L is an Occupational Therapy Assistant in Milwaukie, Oregon. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2021
What do these letters mean?
COTA/L — Certified Occupational Therapy Assistant, Licensed
An occupational therapy assistant who is both certified and state licensed.

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Practice location Address checks out

4560 SE International Way Ste 100
Milwaukie, OR 97222-4628
Phone: (971) 206-5202
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X · Licence OC60574020 (WA)

Record details

NPI number1144813791
Entity typeIndividual (Type 1)
GenderMale
Credentials COTA/L
Sole proprietorYes
NPI enumeratedFebruary 15, 2021
Last updated in NPPESFebruary 15, 2021
Certification dateFebruary 15, 2021

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