Dr. Noonan is the co-founder of High Desert Heart and Vascular in Boise. He focuses on cardiac electrophysiology and sports & exercise cardiology. In the hospital he performs minor heart surgical procedures such as left atrial appendage ligation, cardiac ablations, pacemaker & defibrillator implantations, cardiac resynchronization therapy, and loop recorder implantations. In the clinic, Dr. Noonan performs evaluations and consultations for heart rhythm disorders. For Sports & Exercise Cardiology, he focuses on wellness and longevity as well as evaluating high school, college, and professional athletes in Idaho.