Dr. Manthey is a board certified gastroenterologist with more than 30 years of experience. He has performed over 60,000 procedures in Northeast Wisconsin. He completed medical school in Madison, his medicine residency at the University of Minnesota, and his fellowship at the Medical College of Wisconsin. “My primary goal for our procedures is a safe, thorough and comfortable examination for every patient,” he says. “I want all our patients to feel that we carefully listen to their concerns, answer their questions and provide high-quality care for them.”