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

Dr. Kelly Sullivan Dennis, PHD, LCSW

Individual provider Mental Health Counselor · NPI 1891267720

Dr. Kelly Sullivan Dennis, PHD, LCSW is a Mental Health Counselor in Merrick, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2018
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

2174 Hewlett Ave
Merrick, NY 11566-3606
Phone: (516) 375-3645
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 072161-1 (NY)

Record details

NPI number1891267720
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LCSW
Sole proprietorYes
NPI enumeratedDecember 17, 2018
Last updated in NPPESDecember 17, 2018

Other providers in Merrick