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

Dr. Leonard T Gries, PHD

Individual provider Family Psychologist · NPI 1992921191

Dr. Leonard T Gries, PHD is a Family Psychologist in East Hills, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

33 S St
East Hills, NY 11577
Phone: (516) 621-0036
Fax: (516) 621-0036
Show map & directions

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

Specialties & licences

Family Psychologist (primary) Taxonomy 103TF0000X · Licence 4419 (NY)

Record details

NPI number1992921191
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 17, 2007
Last updated in NPPESJuly 8, 2007