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

Individual provider Clinical Social Worker · NPI 1033633797

Marni Diane Feinstein, LCSW is a Clinical Social Worker in Bryn Mawr, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2017
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

919 Lafayette Rd
Bryn Mawr, PA 19010-1915
Phone: (610) 639-6607
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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 SW007621L (PA)

Record details

NPI number1033633797
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 2, 2017
Last updated in NPPESJuly 21, 2022

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