IndividualActive
William Slater, COTA/L
NPI 1144813791 · Occupational Therapy Assistant · Milwaukie, OR
Provider details
- NPI number
- 1144813791
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- OC60574020 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4560 Se International Way Ste 100
Milwaukie, OR 97222-4628
Phone: (971) 206-5202
Street-level locationGet directions
Mailing address
10429 Littlerock Rd Sw
Olympia, WA 98512-9329
Registry dates
- Enumerated
- 2021-02-15
- Last updated
- 2021-02-15
- Certified
- 2021-02-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.