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

Mr. John Robert Ohnstad, DDS

Individual provider General Practice Dentistry · NPI 1164535704

Mr. John Robert Ohnstad, DDS is a General Practice Dentistry in Wausau, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
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

2110 Grand Ave
Wausau, WI 54403
Phone: (715) 842-4111
Fax: (715) 848-5269
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 5001416015 (WI)

Record details

NPI number1164535704
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2110 Grand Ave, Wausau, WI 54403

Other providers in Wausau