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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SEATTLE CHILD STUDY CENTER PLLC
NPI 1568033900
Clinic/Center - Adolescent and Children Mental Health in Seattle, WA

Active since July 07, 2021
3417 EVANSTON AVE N STE 214, SEATTLE, WA 98103(206) 745-2745 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 27, 2026, Jul 7, 2021 (2 updates tracked since 2021).

About Seattle Child Study Center Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEATTLE CHILD STUDY CENTER PLLC (NPI 1568033900), doing business as Seattle Child Study Center, is a healthcare organization registered as an adolescent and children mental health in Seattle, Washington and active in the NPI registry since July 2021. The organization lists Sandy Trinh, Licensed Psychologist, as its authorized official.

NPPES Registry Identity

NPI1568033900
Entity TypeOrganization
Primary Taxonomy261QM0855X
Legal Business NameSEATTLE CHILD STUDY CENTER PLLC
Location Address3417 EVANSTON AVE N STE 214Seattle, WA 98103-8644
Mailing Address4203 2nd Ave NwSeattle, WA 98107-4314
Phone(206) 745-2745
Organization SubpartNo
Authorized OfficialSandy TrinhLicensed Psychologist · (206) 257-9583
Enumeration DateJuly 7, 2021
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1568033900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Adolescent and Children Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0855X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in children and adolescents. Services may be provided to parents and family members of the patient in the form of conjoint, group, or individual therapy, and education and/or training.
3417 EVANSTON AVE N STE 214, Seattle, WA 98103
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Other Names 1

Doing Business AsSeattle Child Study Center

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANDY TRINH PHD
Psychologist (Clinical Child & Adolescent)
3417 EVANSTON AVE N STE 214
SEATTLE, WA 98103
King County (206) 745-2745
DR. BIWEI HUANG PHD
Psychologist (Clinical)
3417 EVANSTON AVE N STE 214
SEATTLE, WA 98103
King County (425) 522-3256

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Seattle Child Study Center PLLC's NPI number?

The NPI number for Seattle Child Study Center PLLC is 1568033900. It was assigned to this organization in the NPPES registry on July 7, 2021. The provider is doing business as Seattle Child Study Center.

Where is Seattle Child Study Center PLLC located?

Seattle Child Study Center PLLC is located at 3417 Evanston Ave N Ste 214, Seattle, WA 98103. The listed phone number is (206) 745-2745.

What is Seattle Child Study Center PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adolescent and Children Mental Health, with taxonomy code 261QM0855X.

When was this NPI record last updated?

The NPPES record for Seattle Child Study Center PLLC was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.