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

Marguerite Cusack, JD, LICSW, LCSW

Individual provider Clinical Social Worker · NPI 1710435441

Marguerite Cusack, JD, LICSW, LCSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Virginia.

Licensed in
DC, VA
In the registry since
2016
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.
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

910 17th St NW Ste 300
Washington, DC 20006-2601
Phone: (202) 441-5148
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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 LC50080593 (DC)
Clinical Social Worker Taxonomy 1041C0700X · Licence 090409410 (VA)

Record details

NPI number1710435441
Entity typeIndividual (Type 1)
GenderFemale
Credentials JD , LICSW , LCSW
Sole proprietorYes
NPI enumeratedSeptember 11, 2016
Last updated in NPPESSeptember 11, 2016

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