Zaynoun El Khoury, MD

Chad N Stasik, MD is a board certified cardiothoracic surgeon with Methodist Physicians|South Texas Cardiothoracic Surgeons. He performs all aspects of cardiac and thoracic surgery, with a particular interest in aortic valve replacement and repair, TAVR, surgical revascularization for coronary artery disease, aortic aneurysm surgery, and surgical treatment for atrial fibrillation. He also performs minimally invasive robotic resections for cancer and other diseases of the lungs and mediastinum.

Thomas J Percival, MD (Lt Col, USAF) is a board certified cardiothoracic surgeon with Methodist Physicians | South Texas Cardiothoracic Surgeons in San Antonio. Dr. Percival is currently a Lieutenant Colonel in the United States Air Force. He joined South Texas Cardiothoracic Surgeons as part of a Training Affiliation Agreement (TAA) between the Air Force and Methodist Physicians. He performs surgery primarily at Methodist Hospital Texsan, as well as at all affiliated Methodist hospitals.

William M Davis, MD is a board certified cardiothoracic surgeon with Methodist Physicians | South Texas Cardiothoracic Surgeons in San Antonio. He began his surgical practice in San Antonio after completing his medical training in 1991. Dr. Davis is a Diplomat of the American Board of Surgery and the American Board of Thoracic Surgery. Dr. Davis practices in the medical center and performs surgery at Methodist Hospital.