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

Dr. Trisha G Rousseau, PSYD

Individual provider Cognitive & Behavioral Psychologist · NPI 1730564741

Dr. Trisha G Rousseau, PSYD is a Cognitive & Behavioral Psychologist in Greenvale, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2015
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

21 Chestnut St
Greenvale, NY 11548-1104
Phone: (516) 626-6710
Show map & directions

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

Additional practice locations (1)

  • 400 Montauk Hwy, West Islip, NY 11795-4429 — (631) 312-7107

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 021910 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 021910 (NY)

Record details

NPI number1730564741
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJuly 21, 2015
Last updated in NPPESMarch 17, 2018