Dr. Marc Douglas Knepp, MD

Dr. Marc Knepp is a cardiovascular disease specialist who also practices pediatrics, bringing together expertise in heart conditions that affect both children and adults. He earned his medical degree from the University of Illinois at Chicago College of Medicine and completed his residency at the prestigious University of Michigan Health System. With 22 years of experience in cardiovascular medicine, Dr. Knepp has developed particular expertise in treating complex heart conditions across age groups.

Dr. Knepp practices at OSF Saint Francis Medical Center and provides care at multiple locations throughout Illinois and Michigan, including Peoria, Rockford, Ottawa, Urbana, and Escanaba. His clinical focus includes treating congenital heart disease, heart valve disease, and aortic valve stenosis. He performs diagnostic procedures such as electrocardiograms and specialized heart imaging studies including dobutamine stress echocardiograms and Doppler echocardiograms. Patients have given Dr. …Knepp an average rating of 5.0 on Vitals, reflecting their confidence in his care.