Sonder Psychotherapy PLLC
NPI 1376125849 · Mental Health Clinic/Center (Including Community Mental Health Center) · Bellevue, WA
Sonder Psychotherapy PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Bellevue, WA (NPI 1376125849).
Provider details
- NPI number
- 1376125849
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Merrill Shattuck, Owner(206) 317-8287
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Merrill Shattuck Lmhc
- Doing business as
- Merrill Shattuck Lmhc
Registry dates
- Enumerated
- 2021-04-24
- Last updated
- 2023-12-18
- Certified
- 2023-12-18
Frequently asked questions
- What is Sonder Psychotherapy PLLC's NPI number?
- Sonder Psychotherapy PLLC's National Provider Identifier (NPI) is 1376125849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sonder Psychotherapy PLLC?
- Sonder Psychotherapy PLLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Sonder Psychotherapy PLLC located?
- Sonder Psychotherapy PLLC's practice location on file with NPPES is 1400 112th Ave Se Ste 202, Bellevue, WA 98004-6901.
- What is Sonder Psychotherapy PLLC's phone number?
- The practice phone number listed in the NPPES registry for Sonder Psychotherapy PLLC is (206) 317-8287.
- Who is the authorized official for Sonder Psychotherapy PLLC?
- The authorized official listed on Sonder Psychotherapy PLLC's NPPES record is Merrill Shattuck, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sonder Psychotherapy PLLC's NPI active?
- Yes — Sonder Psychotherapy PLLC's NPI (1376125849) is active in the NPPES registry as of the last update on 2023-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.