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

Dr. John M Grunseth, DDS

Individual provider Dentist · NPI 1821133026

Dr. John M Grunseth, DDS is a Dentist in Mandan, North Dakota. Licensed in North Dakota. Registered with an NPI since 2007.

Licensed in
ND
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

204 3rd Ave NW
Mandan, ND 58554
Phone: (701) 663-7545
Fax: (701) 663-6174
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 1456 (ND)

Record details

NPI number1821133026
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Mandan