Serving Beloit and surrounding areas
John G Onderak is a native of Beloit. He was born and raised here. His connection to the community is a lasting one. This is why he aims at giving his best to the people of Beloit.
You can depend on him for professional, gentle and friendly service.
Call us anytime for an appointment. We are happy to accept all patients. Don't
hesitate to come to our clinic.
Our Lady Of The Assumption Catholic Grade School
Beloit Catholic High School
BA in Biology from Loras College
DDS from Marquette University
Dr. Onderak is a member of:
Rock County Dental Society
Wisconsin Dental Association
American Dental Association
He has been a practicing dentist for over 31 years now. In this time he has had many happy customers ranging from kids to adults.