John Slack, MD was born and raised in South Bend, Indiana and attended the University of Notre Dame and Indiana University School of Medicine. Post-graduate training in Internal Medicine and Cardiology included stops in Tampa, Houston and Lexington, KY. With training complete, he returned to Indianapolis where he practiced for 20 years. He moved West in 2002, serving as Chief Medical Officer at Colorado Springs Memorial Hospital for six years. He then joined Dr. Larry Gaul and Kelly Fralick at Avanti Cardiology in Vail. Dr. Slack no longer performs Interventional or pacemaker procedures, preferring to see new and follow-up patients in Vail Health's Eagle office where non-invasive cardiology testing is available. He is Board Certified in Cardiology and a Fellow of the American College of Cardiology and the American Heart Association.