Dr. Barnes is a cardiologist and vascular medicine specialist at the University of Michigan Health System. His clinical and research interests center on the care of patients with thromboembolic disease and the use of anticoagulant medications. He is the medical director for the University of Michigan Pulmonary Embolism Response Team and Director of the Vascular Medicine Fellowship Program. He also serves as co-director of the Michigan Anticoagulation Quality Improvement Initiative and the Michigan Program on Value Enhancement.