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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.

SANDY TRINH PHD
NPI 1164093613
Psychologist - Clinical Child & Adolescent in Seattle, WA

Active since July 06, 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 6, 2021 (2 updates tracked since 2021).

About Sandy Trinh Phd NPPES

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

SANDY TRINH PHD (NPI 1164093613) is an individual clinical child & adolescent provider in Seattle, Washington, licensed in Washington (PY61103080) and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1164093613
Entity TypeIndividualFemale
Primary Taxonomy103TC2200X
Provider Legal NameSANDY TRINHCredential: PHD
Location Address3417 EVANSTON AVE N STE 214Seattle, WA 98103-8644
Mailing Address4203 2nd Ave NwSeattle, WA 98107-4314
Phone(206) 745-2745
Sole ProprietorYes
Enumeration DateJuly 6, 2021
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1164093613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
License✔ Licensed in WA · PY61103080
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
3417 EVANSTON AVE N STE 214, Seattle, WA 98103
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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.

SEATTLE CHILD STUDY CENTER PLLC
Clinic/Center (Adolescent and Children Mental Health)
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 Sandy Trinh's NPI number?

The NPI number for Sandy Trinh is 1164093613. It was assigned to this individual provider in the NPPES registry on July 6, 2021.

Where is Sandy Trinh located?

Sandy Trinh practices at 3417 Evanston Ave N Ste 214, Seattle, WA 98103. The listed phone number is (206) 745-2745.

What is Sandy Trinh's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

When was this NPI record last updated?

The NPPES record for Sandy Trinh 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.