Mercy Adds Cardiologist in Washington

March 5, 2012

Deryk McDowell, MD

Cardiologist Deryk McDowell, MD, will join Dr. Joseph Moore and Dr. Joseph Polizzi at Mercy Heart and Vascular in Washington starting March 7.

Dr. McDowell has been a member of Mercy Heart and Vascular since 2009. He is board certified in cardiovascular disease and internal medicine. He earned his Medical Degree from Southern Illinois University and completed his residency in internal medicine at the University of Tennessee Health Science Center. He completed his Fellowships at St. Louis University in Cardiovascular Disease and Cardiac Electrophysiology. 

Dr. McDowell specializes in implantation and management of cardiac rhythm devices such as pacemakers and defibrillators. He will share his time between Mercy Heart and Vascular offices in St. Louis and Washington. He is coming to Washington to offer patients the scheduling conveniences of a third cardiologist.

“I’ve met numerous patients from the Franklin County region at my office in St. Louis as well as the times I’ve already spent in Washington over the past several years,” said Dr. McDowell. “The patients are very appreciative of the services offered in their hometown hospital and a pleasure to get to know and take care of.  I’m happy to join our Washington office to serve the needs of our patients there.”  

Heart care at Mercy Washington includes board certified cardiologists and interventional cardiologists, a 24-hour cardiac catheterization lab that is stopping heart attacks as they happen, an accredited chest pain center, a certified cardiac rehabilitation center and the only state designated Level III  trauma center between St. Louis and Jefferson City. 

Mercy Heart and Vascular is a group of 29 physicians dedicated to the prevention, detection and treatment of cardiovascular diseases. Mercy Heart and Vascular physicians have eight offices located in Franklin, St. Charles, St. Francois and St. Louis counties in Missouri. Its Franklin County location is in the Mercy Medical Building at 851 E. Fifth St. in Washington. For more information, or to make an appointment, call 636-239-8845.

Mercy is the eighth largest Catholic health care system in the U.S. and serves more than 3 million people annually. Mercy includes 31 hospitals, more than 200 outpatient facilities, 38,000 co-workers and 1,500 integrated physicians in Arkansas, Kansas, Missouri and Oklahoma. Mercy also has outreach ministries in Louisiana, Mississippi and Texas. For more about Mercy, visit

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