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

Mercer Island Therapy, PLLC

Organization Clinical Psychologist · NPI 1003129461

Mercer Island Therapy, PLLC is a Clinical Psychologist in Mercer Island, Washington. Licensed in Washington. Registered with an NPI since 2010.

Licensed in
WA
In the registry since
2010
Specialties on file
3
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8015 SE 28th St Ste 309
Mercer Island, WA 98040-2910
Phone: (206) 236-1294
Fax: (206) 257-3196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X
Clinical Psychologist Taxonomy 103TC0700X
Speech-Language Pathologist Taxonomy 235Z00000X · Licence LL00001598 (WA)

Record details

NPI number1003129461
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ron Feinberg — Partner · (206) 226-8879
Other names Northwest Speech Therapy / Spotlight Social Skills
NPI enumeratedJuly 14, 2010
Last updated in NPPESJanuary 3, 2022
Certification dateJanuary 3, 2022
Mailing address8015 Se 28th St, Suite 309, Mercer Island, WA 98040-2910

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