URMC / Medicine / Allergy, Immunology, and Rheumatology / Faculty / Associated Faculty Associated Faculty Roger Cass, M.D. Allergy, Immunology and Rheumatology John Condemi, M.D. Allergy, Immunology and Rheumatology S. Shahzad Mustafa, M.D. Allergy, Immunology and Rheumatology Allison Ramsey, M.D. Allergy and Immunology