Hong Jun “Francisco” Yun, M.D. is a board-certified interventional cardiologist with Heart Care Centers of Illinois, seeing patients in Mokena. He specializes in complex coronary and structural heart interventions, including TAVR, mitral and tricuspid valve repair, ASD/PFO closure, and advanced intravascular imaging. Trained at Boston University and the University of Michigan, Dr. Yun leads the Structural Heart Program at Silver Cross and has published extensively in the field. He delivers innovative, minimally invasive heart care with a strong focus on patient outcomes.