Dr. John Calhoon is a Thoracic (Chest) Surgeon in Northwest Side, SAN ANTONIO and has an experience of 45 years in this field. Dr. John Calhoon practices at ExpressMed - Medical Center Pavilion in Northwest Side, SAN ANTONIO,University Health Medical Center Pavilion in Northwest Side, SAN ANTONIO and Brooke Army Medical Center Rhu in Alamo Heights, SAN ANTONIO. He completed Residency from Childrens Hospital|University Tex Hsc in 1986,Medical School from Baylor College of Medicine in 1981 and Residency - ID from University of Texas Health Science Center in 1986. He is a member of American Board of Thoracic Surgery,Joint Council for Thoracic Surgery Education,Southern Thoracic Surgical Association,Thoracic Surgery Directors Association,American Heart Association, San Antonio Chapter,San Antonio Surgical Society,University Health System Foundation,American Heart Association, Southwest Affiliate and Dominion Homeowners Association Board of Directors. Some of the services provided by the doctor are: Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and Defibrillator,Tricuspid Valve Surgery,Pulmonary Disease,Cardiac Shunting Procedures and Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair etc.