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

Mr. Benjamin Marmorstein, LMSW

Individual provider Social Worker · NPI 1740805761

Mr. Benjamin Marmorstein, LMSW is a Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2020
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

2020 Coney Island Ave
Brooklyn, NY 11223-2329
Phone: (718) 676-4280
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 109199 (NY)

Record details

NPI number1740805761
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 15, 2020
Last updated in NPPESJune 15, 2020
Certification dateJune 15, 2020

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