WMCHealth Physicians Heart and Vascular Institute Cardiothoracic Surgery, located at the Ambulatory Care Pavilion in Valhalla, NY, provides comprehensive surgical intervention for all diseases of the heart and lungs. Physicians are qualified to evaluate and treat a wide range of procedures to improve heart and lung functioning in chronic and critically ill patients. Many of our surgeries are completed with minimally invasive robotic surgical techniques which result in less pain and scarring, and faster recovery. WMCHealth Physicians Heart and Vascular Institute is a member of the Westchester Medical Center Health Network (WMCHealth).