His areas of expertise include pulmonary valve disease, extracorporeal membrane oxygenation (ECMO), and atrial septal defect. He accepts Coventry, Coventry Bronze, Coventry Silver, and more. Dr. Stewart studied medicine at Northwestern University, Feinberg School of Medicine. Dr. Stewart trained at Beth Israel Deaconess Medical Center for his residency. He is professionally affiliated with Cleveland Clinic Main Campus.