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

Mariana Leigh Weller, MSW

Individual provider Clinical Social Worker · NPI 1376990721

Mariana Leigh Weller, MSW is a Clinical Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2016.

Licensed in
WA
In the registry since
2016
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

1600 E Olive St Sound Mental Health
Seattle, WA 98122-2735
Phone: (206) 302-2200
Fax: (206) 302-2210
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence SA 60640671 (WA)

Record details

NPI number1376990721
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedMay 16, 2016
Last updated in NPPESMay 16, 2016

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