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

Sierra Wollen

Individual provider Mental Health Counselor · NPI 1003339839

Sierra Wollen is a Mental Health Counselor in Tukwila, Washington. Registered with an NPI since 2017.

In the registry since
2017

Practice location Address checks out

6400 Southcenter Blvd
Tukwila, WA 98188-2547
Phone: (206) 444-3600
Fax: (206) 444-3610
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1003339839
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 24, 2017
Last updated in NPPESJuly 24, 2017
Mailing address1600 E Olive St, Seattle, WA 98122-2735

Other providers in Tukwila