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

Marie E Flanagan, LCSW

Individual provider Clinical Social Worker · NPI 1821552787

Marie E Flanagan, LCSW is a Clinical Social Worker in Melville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2019
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

900 Walt Whitman Rd Ste LL1
Melville, NY 11747-2215
Phone: (516) 698-5511
Fax: (516) 418-5377
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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 087622 (NY)

Record details

NPI number1821552787
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 24, 2019
Last updated in NPPESFebruary 7, 2019

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