Wheeler Heart and Vascular Center - Cardiothoracic Surgery Address 3800 S. National Ave. Springfield, MO 65807 location Get Directions Phone: 417-875-2622 About Wheeler Heart and Vascular Center is southwest Missouri's premier outpatient facility for diagnostic and minimally invasive cardiac and vascular care with nuclear cardiology, echocardiography and vascular ultrasound, plus innovative programs for heart failure and cardiopulmonary rehab.