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

Matthew Rob Mutton, MSW

Individual provider Clinical Social Worker · NPI 1154575389

Matthew Rob Mutton, MSW is a Clinical Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2008.

Licensed in
WA
In the registry since
2008
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

325 9th Ave Box 359760
Seattle, WA 98104-2420
Phone: (206) 744-3774
Fax: (206) 744-4505
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 RC00033015 (WA)

Record details

NPI number1154575389
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedNovember 14, 2008
Last updated in NPPESOctober 24, 2023
Certification dateOctober 24, 2023

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