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

Donald C Demas, DDS, MS, PC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1538604178

Donald C Demas, DDS, MS, PC is an Orthodontics and Dentofacial Orthopedics Dentistry in Watertown, Connecticut. Licensed in Connecticut. Registered with an NPI since 2017.

Licensed in
CT
In the registry since
2017
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

51 Depot St Ste 505
Watertown, CT 06795-2685
Phone: (860) 274-6625
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 006708 (CT)

Record details

NPI number1538604178
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donald Demas — President · (860) 274-6625
NPI enumeratedJanuary 5, 2017
Last updated in NPPESJanuary 5, 2017
Mailing addressPo Box 522, Watertown, CT 06795-0522

Other providers in Watertown