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

Dr. Gregory Thomas McMahon, DDS

Individual provider General Practice Dentistry · NPI 1942269709

Dr. Gregory Thomas McMahon, DDS is a General Practice Dentistry in Montgomery, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

2711 Albany Post Rd
Montgomery, NY 12549-2158
Phone: (845) 457-1647
Fax: (845) 818-3921
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 043245 (NY)

Record details

NPI number1942269709
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMarch 21, 2006
Last updated in NPPESJanuary 22, 2015
Mailing address2711 Albany Post Rd, Montgomery, NY 12549-2158

Other providers in Montgomery