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

Dr. Douglas Steven Callis, DMD

Individual provider Dentist · NPI 1659437580

Dr. Douglas Steven Callis, DMD is a Dentist in Madison, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2006
Specialties on file
2
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

515 Old Toll Rd
Madison, CT 06443-1836
Phone: (203) 421-4100
Fax: (203) 421-4159
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 CT7791 (CT)
Dentist Taxonomy 122300000X · Licence 7791 (CT)

Record details

NPI number1659437580
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedDecember 28, 2006
Last updated in NPPESApril 13, 2015

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