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

Dr. John Mark Kowalski, PHD

Individual provider Psychologist · NPI 1316045727

Dr. John Mark Kowalski, PHD is a Psychologist in Guilderland, 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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2280 Western Ave
Guilderland, NY 12084
Phone: (518) 456-5056
Fax: (518) 456-6512
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 015576-1 (NY)

Record details

NPI number1316045727
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 10, 2007
Mailing address2280 Western Ave, Guilderland, NY 12084

Other providers in Guilderland