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

Gregory Howard Sprague, DDS, MSD

Individual provider Endodontics · NPI 1114052446

Gregory Howard Sprague, DDS, MSD is an Endodontics in Topsham, Maine. Licensed in Maine. Registered with an NPI since 2007.

Licensed in
ME
In the registry since
2007
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

37 Foreside Rd
Topsham, ME 04086-1832
Phone: (207) 798-6700
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence DEN4050 (ME)

Record details

NPI number1114052446
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MSD
Sole proprietorNo
NPI enumeratedFebruary 23, 2007
Last updated in NPPESSeptember 20, 2017
Mailing address37 Foreside Rd, Topsham, ME 04086