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

Dr. Gregory Alexander, PHD

Individual provider Counseling Psychologist · NPI 1104913961

Dr. Gregory Alexander, PHD is a Counseling Psychologist in Bay Shore, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

260 W Main St Ste #9
Bay Shore, NY 11706-8322
Phone: (631) 969-9792
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 008516-1 (NY)

Record details

NPI number1104913961
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing address40 Marion Ave., Stony Brook, NY 11790-2404

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