Clinical interests for Dr. Duppler include cancer surgery, rectal cancer, and colon cancer. He is professionally affiliated with ThedaCare. Dr. Duppler attended the University of Wisconsin School of Medicine and Public Health and then went on to complete his residency at Maine Medical Center. Patients rated him highly, giving him an average of 4.5 stars out of 5. Dr. Duppler is in-network for Humana HMO, Humana Bronze, Humana Catastrophic, and more.