His areas of clinical expertise include allergy and immunology, asthma, immunotherapy, sinusitis and drug reactions. Dr. Azar serves as the clinical director of the Division of Allergy and Clinical Immunology at Johns Hopkins.Dr. Azar earned his M.D. from the American University of Beirut. He completed residency programs at the University of Iowa Hospitals and Clinics and the American University of Beirut. He performed a fellowship in allergy and clinical immunology at the University of Iowa Hospitals and Clinics.