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

Sonder Psychotherapy PLLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1376125849

Sonder Psychotherapy PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Bellevue, Washington. Registered with an NPI since 2021.

In the registry since
2021
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

1715 114th Ave SE Ste 203
Bellevue, WA 98004-6906
Phone: (206) 317-8287
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X

Record details

NPI number1376125849
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Merrill Shattuck — Owner · (206) 317-8287
Other names Merrill Shattuck Lmhc
NPI enumeratedApril 24, 2021
Last updated in NPPESAugust 2, 2026
Certification dateAugust 2, 2026
Mailing address1715 114th Ave Se Ste 203, Bellevue, WA 98004-6906

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