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

Mr. Marc Snowman, LCSW

Individual provider Clinical Social Worker · NPI 1407929656

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

Licensed in
NY
In the registry since
2006
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

141 E 55th St Ste 7G
New York, NY 10022-4030 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 688-7021
Fax: (212) 750-9655
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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 PR018663-1 (NY)

Record details

NPI number1407929656
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedNovember 16, 2006
Last updated in NPPESJuly 8, 2007

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