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

Individual provider Clinical Social Worker · NPI 1962529727

Mr. Marc B. Galloway, LCSW is a Clinical Social Worker in Massapequa, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
Specialties on file
2
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

19 Chestnut St
Massapequa, NY 11758-5120
Phone: (516) 528-5876
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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 5705213 (NY)
School Social Worker Taxonomy 1041S0200X (NY)

Record details

NPI number1962529727
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 24, 2007
Last updated in NPPESMay 24, 2011

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