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

Dr. John Joseph Duffy, DDS

Individual provider General Practice Dentistry · NPI 1679696801

Dr. John Joseph Duffy, DDS is a General Practice Dentistry in Fresh Meadows, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
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

17411 Horace Harding Expy
Fresh Meadows, NY 11365-1527
Phone: (718) 670-1701
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 031803 (NY)

Record details

NPI number1679696801
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedApril 10, 2007
Last updated in NPPESJuly 8, 2007
Mailing address55 Schyler Dr, Poughkeepsie, NY 12603-6136

Other providers in Fresh Meadows