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

Individual provider Clinical Social Worker · NPI 1154416832

MS. Marcy Kniffin, LCSW is a Clinical Social Worker in Brewster, 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

1591 Route 22 C/o Wholistic Physical Therapy
Brewster, NY 10509-4026
Phone: (845) 309-4571
Fax: (845) 940-1051
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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 R041537-1 (NY)

Record details

NPI number1154416832
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESMarch 31, 2008

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