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

MS. Marilyn Duffy Grande, LMSW

Individual provider Social Worker · NPI 1093350605

MS. Marilyn Duffy Grande, LMSW is a Social Worker in Huntington, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2019
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

790 Park Ave
Huntington, NY 11743-4516
Phone: (631) 427-3700
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 059277-1 (NY)

Record details

NPI number1093350605
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedNovember 7, 2019
Last updated in NPPESNovember 7, 2019

Other providers in Huntington