Nicolas L. Madsen, MD, MPH

Medical Director, Acute Care Cardiology Unit

Academic Affiliations

Assistant Professor, UC Department of Pediatrics

Phone 513-636-5476


Cardiac Step-Down Unit; preventive cardiology; General Cardiology Outpatient Clinic

Nicolas L. Madsen, MD, MPH, joined the Heart Institute in July 2012. He attended the University of California at Davis, where he graduated with honors. He earned his medical degree with honors at the University of Washington in 2005. Dr. Madsen completed his residency in general pediatrics and his fellowship in pediatric cardiology at Seattle Children’s Hospital in Seattle, Washington. In addition, Dr. Madsen earned a Master of Public Health from the University of Washington in 2011.

Dr. Madsen’s clinical focus is in general and preventative cardiology. His research interests also focus on the prevention of cardiac disease processes. Specifically, Dr. Madsen aims to understand the implications of traditional cardiovascular risk factors such as obesity, hypertension and sedentary lifestyle on persons with congenital heart disease. Additionally, he is focused on the prevention of sudden cardiac death in adolescent athletes by way of optimizing preparticipation sports screening. Dr. Madsen has received several national awards for his research and is an active member of the American Heart Association and American Academy of Pediatrics.

MD: University of Washington School of Medicine, Seattle, WA, 2005.

MPH: University of Washington School of Public Health, Seattle, WA, 2011.

Residency: Pediatrics, Seattle Children’s Hospital, Seattle, WA.

Fellowship: Cardiology, Seattle Children’s Hospital, Seattle, WA.

Madsen NL, Schwartz SM, Lewin MB, Mueller BA. Prepregnancy Body Mass Index and Congenital Heart Defects among Offspring: A Population-based Study. Congenit Heart Dis. 2012.