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

Christopher J Castonguay, DMD

Individual provider Dentist · NPI 1477046571

Christopher J Castonguay, DMD is a Dentist in Millinocket, Maine. Licensed in Maine. Registered with an NPI since 2018.

Licensed in
ME
In the registry since
2018
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

50 Summer St
Millinocket, ME 04462-1400
Phone: (207) 528-2285
Fax: (207) 528-2880
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DEN4640 (ME)

Record details

NPI number1477046571
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedJune 13, 2018
Last updated in NPPESJune 13, 2018
Mailing address529 S Patten Rd, Patten, ME 04765-3007