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

Dr. Keith Daniel O'Leary, PHD

Individual provider Psychologist · NPI 1437390309

Dr. Keith Daniel O'Leary, PHD is a Psychologist in Stony Brook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

236 Christian Ave
Stony Brook, NY 11790-1234
Phone: (631) 751-3149
Fax: (631) 689-6844
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0035661 (NY)

Record details

NPI number1437390309
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 23, 2009
Last updated in NPPESMarch 23, 2009

Other providers in Stony Brook