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

Marilyn Brennan, LCSW

Individual provider Clinical Social Worker · NPI 1356494801

Marilyn Brennan, LCSW is a Clinical Social Worker in Green Bay, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2007.

Licensed in
WI
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

130 E Walnut St Ste 706
Green Bay, WI 54301-4239
Phone: (920) 437-8256
Fax: (920) 437-1188
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 6666 (WI)

Record details

NPI number1356494801
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 19, 2007
Last updated in NPPESNovember 17, 2015

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