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

MS. Marianne Pettersen, MSWLICSW

Individual provider Social Worker · NPI 1477605343

MS. Marianne Pettersen, MSWLICSW is a Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007

Practice location Address checks out

200 W Mercer St Ste 200
Seattle, WA 98119
Phone: (206) 284-4861
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LW00004884 (WA)

Record details

NPI number1477605343
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSWLICSW
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJuly 8, 2007

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