Located in Chandler, Arizona, the cardiologists at Central Arizona Heart Specialists have more than 20 years of combined experience treating a wide range of heart-related issues. If you've been diagnosed with heart problems or are at risk for heart disease, trust the professionals at Central Arizona Heart Specialists. Our team of cardiologists includes: Roger Bies, MD Suntharo Ly, MD Roger Hamburg, MD Rizaldy Villegas, MD Andrew Cassar, MD Robert Dappen, MD Call Central Arizona Heart Specialists today for more info. We'll help you heal your heart.