Andrey Gavrilovich graduated in medicine from Voronezh State University, 1922.
In 1922-1929, clinic resident and assistant of the First Moscow State Medical University (1929-1934). Andrey Gavrilovich was a head of the Department of Otorhinolaryngology of the First Moscow State Medical University (1934-1972). Dean of the Faculty of Medicine (1930-1940), Deputy Director for Research (1941-1942), Director of the Moscow (1942-1948). One of the organizers, Deputy Director for Research (1935-1940), Director of the Moscow Research Institute of Ear, Nose and Throat (1940-1943).