Dr. Cohen’s research focuses on the application of formal cost-effectiveness methodology to novel interventions for the diagnosis and treatment of cardiovascular disease, the extension of traditional cardiovascular outcomes research to include collection of patient-centered outcomes among patients undergoing treatment for cardiovascular disease, the development and evaluation of instruments for evaluating health status and preference among patients with cardiovascular disease. He is also active in research to determine the short- and long-term outcomes of new devices for percutaneous coronary revascularization and identifying the optimal target populations and techniques for these devices.

Dr. Cohen has published more than 250 original articles in leading journals, including the New England Journal of Medicine, Lancet, JAMA, Circulation, Journal of the American College of Cardiology, the American Journal of Cardiology, American Heart Journal, Annals of Internal Medicine, and Health Policy. He has also authored numerous book chapters and review articles on subjects such as the cost-effectiveness of interventional cardiology, coronary stenting, and programs to lower serum cholesterol. Dr. Cohen serves on the editorial board for the American Heart Journal, JACC Interventions, and Circulation and reviews for the American Journal of Cardiology, Journal of the American College of Cardiology, New England Journal of Medicine, JAMA, and Medical Decision Making.