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

Individual provider Clinical Social Worker · NPI 1326470162

Mr. Jason Marchwinski, LCSW is a Clinical Social Worker in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2013.

Licensed in
NY
In the registry since
2013
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

300 Cadman Plz W Fl 17
Brooklyn, NY 11201-3229
Phone: (718) 687-4999
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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 085040 (NY)

Record details

NPI number1326470162
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 3, 2013
Last updated in NPPESDecember 17, 2018

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