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

Stephanie Marie Duff

Individual provider Speech-Language Pathologist · NPI 1396365748

Stephanie Marie Duff is a Speech-Language Pathologist in Brookhaven, New York. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

101 Fireplace Neck Rd
Brookhaven, NY 11719-9796
Phone: (516) 318-2940
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X

Record details

NPI number1396365748
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 24, 2020
Last updated in NPPESMay 6, 2025
Certification dateMay 6, 2025

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