As a rheumatologist he specializes in treating autoimmune diseases such as rheumatoid arthritis, systemic lupus, systemic vasculitis, lyme disease. He trained in microbiology and immunology at Johns Hopkins before coming to the University of Rochester NY to complete his medical training. Clinical practice locations include Rochester NY and Canandaigua NY where he is currently accepting new patients. Research interests include the interaction of infections and autoimmune disease, immunocompetence, vasculitis and systemic lupus.