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

Dr. Michael John Mack, DDS

Individual provider General Practice Dentistry · NPI 1508952375

Dr. Michael John Mack, DDS is a General Practice Dentistry in Cos Cob, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
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

40 E Putnam Ave
Cos Cob, CT 06807
Phone: (203) 661-2279
Fax: (203) 869-2261
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 005247 (CT)

Record details

NPI number1508952375
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing address40 E. Putnam Ave., Cos Cob, CT 06807

Other providers in Cos Cob