Dr. Frederic J. Leong

Georgios Hartas is a Pediatric Cardiologist in Glendale, California. Dr. Hartas is rated as an Advanced provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Heart Murmurs, Congenital Heart Disease (CHD), Pulmonary Valve Stenosis, and Pulmonary Supravalvular Stenosis.

Jeffrey Wong is a Pediatric Cardiologist in Santa Clarita, California. Dr. Wong is rated as an Advanced provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Heart Murmurs, Kawasaki Disease, Patent Ductus Arteriosus, and Ventricular Septal Defects. Dr. Wong is currently accepting new patients.

Dr. Tan earned his undergraduate degree from the University of California, Los Angeles (UCLA) and his medical degree from the University of California, Irvine (UCI). After internship and residency training in the Department of Pediatrics at UCI and Miller Children’s Hospital in Long Beach, he completed his pediatric cardiology fellowship at the University of California, San Francisco (UCSF). He subsequently completed advanced training in pediatric interventional cardiac catheterization at the University of California, Los Angeles.Dr. Tan is board certified in pediatric cardiology. He has several publications in various cardiology journals and has participated in several research projects. His areas of clinical interest and expertise include pediatric and adult congenital interventional cardiac catheterization, echocardiography, hypertension, and lipid management.Dr. Tan stands at the forefront of medical excellence, seamlessly blending compassion with cutting edge expertise to redefine patient care. Dr. Tan is rated as an Advanced provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Kawasaki Disease, Heart Murmurs, and Percutaneous Coronary Intervention (PCI).