 In 1811 he moved to the University of Breslau, being due to closure of Viadrina University in Frankfurt, and resulting in the relocation of much of its faculty to Breslau.In 1815 he was appointed professor of medicine at the University of Berlin and hospital director at the Berlin Charité.In 1789 Berends published "Über den Unterricht junger Ärzte am Krankenbett" (Education of Young Physicians at the Bedside), in which he described his experiences at the Thielschen Krankenhaus in Frankfurt.