Cardiologist Singapore Healthy Heart Specialist Centre Dr Wong Siong Sung is the Senior Consultant Cardiologist and Medical Director of Healthy Heart Specialist Centre (HHSC). Prior to embarking in his private practice at HHSC, while he was at NUH, he strengthened and took the level of CT coronary angiogram and radionuclide myocardial perfusion imaging services to a higher level. Get Appointment with us : https://www.hhscsg.org/