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

Dr. John M Johnson, DDS

Individual provider General Practice Dentistry · NPI 1336141068

Dr. John M Johnson, DDS is a General Practice Dentistry in Groton, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2005
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

643 Gold Star Hwy
Groton, CT 06340-6267
Phone: (860) 445-8569
Fax: (860) 446-1890
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 6800 (CT)

Record details

NPI number1336141068
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 12, 2005
Last updated in NPPESJune 30, 2009
Mailing address643 Gold Star Hwy, Groton, CT 06340-6267

Other providers in Groton