After 3 years of training in Internal Medicine at Fairview Hospital/Cleveland Clinic, Cleveland, Ohio, he completed 2 years of training in Pulmonary Medicine at the University of South Carolina, School of Medicine in 2010. He then, completed a year of training in Sleep Medicine at the Ohio State University, Columbus, Ohio. After his fellowship in Sleep Medicine, he joined the faculty of University of South Carolina, School of Medicine in July 2011. Dr. Iftikhar has published in several peer-reviewed journals and serves on the editorial board for several journals and as ad-hoc reviewer for several others.