His clinical interests include idiopathic thrombocytopenic purpura (ITP), swollen lymph nodes (lymphadenopathy), and aspiration. He accepts Coventry, Coventry Bronze, Coventry Silver, and more. Dr. Flagg attended Rosalind Franklin University of Medicine and Science, Chicago Medical School and then went on to complete his residency at Cleveland Clinic. Dr. Flagg's professional affiliations include Cleveland Clinic Main Campus and MetroHealth.