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

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 →

Practice location Address checks out

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

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
Mailing addressBox 907, 204 3rd Ave Nw, Mandan, ND 58554

Other providers in Mandan