Lawrence Hamner is a Thoracic Surgeon in San Antonio, Texas. Dr. Hamner is highly rated in 6 conditions, according to our data. His top areas of expertise are Aortic Valve Stenosis, Cardiac Tamponade, Arterial Embolism, Heart Bypass Surgery, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Hamner is currently accepting new patients.