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

MS. Hilary Marshak, MSW, LCSW

Individual provider Mental Health Counselor · NPI 1548284789

MS. Hilary Marshak, MSW, LCSW is a Mental Health Counselor 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?
MSW — Master of Social Work
The graduate degree in social work.
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

24 E 12th St Ste 2A-F
New York, NY 10003-4513 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 349-0011
Fax: (212) 691-6600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence R044859-1 (NY)

Record details

NPI number1548284789
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESSeptember 10, 2009

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