Yale Orthopedics and Rehabilitation

Cassius Iyad Ochoa Chaar, MD, MPH, MS, is a vascular surgeon who treats problems affecting the circulatory system, ranging from painful varicose veins to life-threatening aneurysms. He has special expertise in treating peripheral artery disease, which can block blood flow through the arteries in the arms and legs. Dr. Chaar is an expert in lower extremity limb preservation, particularly in diabetic patients

Naiem Nassiri, MD, is a Yale Medicine vascular surgeon. He treats problems that affect the peripheral vasculature, which includes all of the blood vessels in the body, except for those that involve the brain and the heart. His patients range from infants to the elderly, in whom vascular disease is most common.