Mark B. Lewin, MD is Chief of the Division of Cardiology, Director of the Prenatal Center and Co-Director of the Cardiac Ultrasound Program at Seattle Children’s Hospital. He also serves as a Professor in the Department of Pediatrics at the University of Washington School of Medicine and Co-Director of Seattle Children’s Heart Center.

Dr. Lewin completed his MD at Keck School of Medicine at USC, a residency in pediatrics at the Children’s Hospital of Los Angeles and a fellowship in pediatric cardiology at Texas Children’s Hospital in Houston. He is board certified in Pediatric Cardiology. Dr. Lewin’s clinical interests include echocardiography, fetal cardiac diagnosis, and cardiovascular genetics, and he has been recognized as a Top Doctor by Seattle Magazine and Seattle Metropolitan Magazine. He is a co-author of the text Echocardiography in Congenital Heart Disease.