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

Washington Mental Health Services

Organization Mental Health Counselor · NPI 1528891561

Washington Mental Health Services is a Mental Health Counselor in Black Diamond, Washington. Works from 2 locations. Registered with an NPI since 2024.

In the registry since
2024

Practice location Address checks out

33169 Crystal Ave SE
Black Diamond, WA 98010-5025
Phone: (206) 359-1755
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3503 88th Ave Se Apt 348, Mercer Island, WA 98040-6274 — (206) 949-6735

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1528891561
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sandra Martinez — Owner / Member · (206) 359-1755
NPI enumeratedAugust 23, 2024
Last updated in NPPESAugust 23, 2024
Certification dateAugust 23, 2024
Mailing address33169 Crystal Ave Se, Black Diamond, WA 98010-5025

Other providers in Black Diamond