About
Prof. Dr. med. Stephan Teyssen is a specialist in gastroenterology with more than 30 years of experience and works at the Institute for Gastroenterology and Interventional Endoscopy at Hirslanden Klinik Aarau. He speaks publicly on topics such as colorectal cancer prevention, gut flora and anxiety about colonoscopy. Phone: +41 62 836 74 20.
Clinical Focus
Specialties