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

Dr. Donald Leon Theriault, DMD

Individual provider Periodontics · NPI 1669502795

Dr. Donald Leon Theriault, DMD practises Periodontics in Portland, Maine. Licensed in Maine. Registered with an NPI since 2007.

Licensed in
ME
In the registry since
2007
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

595 Brighton Ave
Portland, ME 04102-2322 Not confirmed with CMS for 19 years — call before visiting
Phone: (207) 774-1471
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 2974 (ME)

Record details

NPI number1669502795
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedMarch 7, 2007
Last updated in NPPESJuly 8, 2007

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