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

Mrs. Margaret Mary Demers, MACCC, SLP

Individual provider Speech-Language Pathologist · NPI 1497982011

Mrs. Margaret Mary Demers, MACCC, SLP is a Speech-Language Pathologist in East Islip, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
What do these letters mean?
SLP — Speech-Language Pathologist
Treats speech, language and swallowing disorders.

See every abbreviation used in this directory →

Practice location Address checks out

369 E Main St Ste 1
East Islip, NY 11730-2800
Phone: (631) 277-6000
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 5966-1 (NY)

Record details

NPI number1497982011
Entity typeIndividual (Type 1)
GenderFemale
Credentials MACCC , SLP
Sole proprietorNo
NPI enumeratedJune 22, 2009
Last updated in NPPESJune 22, 2009

Other providers in East Islip