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

Mary Ellen Fassnacht, LCSW

Individual provider Clinical Social Worker · NPI 1245703909

Mary Ellen Fassnacht, LCSW is a Clinical Social Worker in Midland Park, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2019
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

317 Godwin Ave
Midland Park, NJ 07432-1519
Phone: (973) 722-9831
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 44SC05420600 (NJ)

Record details

NPI number1245703909
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 5, 2019
Last updated in NPPESJanuary 5, 2019

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