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
Mailing address515 Old Toll Rd, Madison, CT 06443-1836

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