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

Individual provider Clinical Social Worker · NPI 1366858664

Marc Mastropolo, LCSW is a Clinical Social Worker in Holbrook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014
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

60 Cannon Dr
Holbrook, NY 11741-5219
Phone: (631) 793-7256
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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 084953-01 (NY)

Record details

NPI number1366858664
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 8, 2014
Last updated in NPPESApril 18, 2022
Certification dateApril 18, 2022
Mailing address60 Cannon Dr, Holbrook, NY 11741-5219

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