Our team

At Tundra Chiropractic, Dr. Cory and Dr. Kallie are committed to providing precise, personalized chiropractic care for patients of all ages. With advanced training, years of experience, and a shared dedication to family-centered care, they serve the De Pere community with professionalism, integrity, and warmth.

Chiropractor

Cory Madison D.C.

Dr. Cory is a Minnesota native and a graduate of Palmer College of Chiropractic, where he graduated Summa Cum Laude. He earned his Bachelor’s degree from St. Mary’s University of Minnesota, building a strong academic foundation in human science and health.

During his doctoral training, he focused extensively on Gonstead and Diversified adjusting techniques, developing a refined approach centered on delivering precise, specific, and comfortable spinal adjustments. His goal is always to restore proper motion and function — not just provide temporary relief.

Dr. Cory also holds a nutrition certification through the State of Wisconsin, allowing him to thoughtfully incorporate foundational nutritional support when appropriate. He believes structural care and internal support often work best together when helping patients reduce inflammation and recover fully.

He practiced in Kenosha, Wisconsin from 2015 to 2018 before relocating to De Pere to serve families in Northeastern Wisconsin.

Dr. Cory is passionate about helping patients regain confidence in their movement and return to the activities they love. Outside the office, he enjoys yard work, fishing, and spending time with his wife and their four children.

Chiropractor

Kallie Madison D.C.

Dr. Kallie is originally from Michigan’s Upper Peninsula and graduated from Palmer College of Chiropractic, where she focused her studies on pregnancy, pediatrics, women’s health, and Active Release Technique (ART).

Her passion for caring for women and families has led her to pursue advanced training beyond chiropractic school. She is certified in the Webster Technique through the International Chiropractic Pediatric Association (ICPA), a technique designed to support pelvic balance during pregnancy. She is also actively working toward certification through the Academy Council of Chiropractic Pediatrics (CACCP), completing over 200 hours of postgraduate education focused specifically on pregnancy and pediatric care.

After practicing in Kenosha, Wisconsin for three years, Dr. Kallie relocated to De Pere in 2018. She especially enjoys supporting women through healthy, comfortable pregnancies and caring for infants and children with gentle, specific adjustments tailored to growing bodies. Beyond pregnancy and pediatrics, she loves helping women feel strong, supported, and functioning at their best in every stage of life.

Outside the office, Dr. Kallie enjoys working out, staying active, cooking healthy meals for her family, and spending time exploring the De Pere and greater Green Bay community with her husband and their four children.

Front Desk Receptionist

Kim

For the last 15 years Kim has welcomed our patients like they were family. Kim grew up in De Pere and in her spare time loves to garden. You can also find her spoiling her bunny, Harrison.

Front Desk Receptionist

Sam

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OFFICE HOURS

Monday
8:30am - 12:00pm
3:00pm - 6:00pm

Tuesday
8:30am - 12:00pm

Wednesday
8:30am - 12:00pm
3:00pm - 6:00pm

Thursday
8:30am - 12:00pm
3:00pm - 6:00pm

Friday
By Appointment

Saturday & Sunday
Closed

Tundra Chiropractic

1251 Scheuring Rd, Suite A
De Pere, WI 54115

(920) 336-3353