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

Dr. Mary Anne Hanley Geskie, PHD

Individual provider Adult Development & Aging Psychologist · NPI 1861485583

Dr. Mary Anne Hanley Geskie, PHD is an Adult Development & Aging Psychologist in West Islip, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2005
Specialties on file
6
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

500 Montauk Hwy Ste Z
West Islip, NY 11795-4418
Phone: (631) 422-5952
Fax: (631) 472-1817
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 008795 (NY)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 008795 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 008795 (NY)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 008795 (NY)
Psychoanalysis Psychologist Taxonomy 103TP0814X · Licence 008795 (NY)
Psychologist Taxonomy 103T00000X · Licence 008795 (NY)

Record details

NPI number1861485583
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 28, 2005
Last updated in NPPESAugust 13, 2010