Mercer Island Therapy, PLLC
NPI 1003129461 · Clinical Social Worker · Mercer Island, WA
Provider details
- NPI number
- 1003129461
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Ron Feinberg, Partner(206) 226-8879
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Psychologist103TC0700X
Behavioral Health & Social Service Providers
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Other names (DBA / former)
- Doing business as
- Northwest Speech Therapy / Spotlight Social Skills
Registry dates
- Enumerated
- 2010-07-14
- Last updated
- 2022-01-03
- Certified
- 2022-01-03
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.