Did you know that Heart disease is the leading cause of death in the U.S.? This is why it’s important to have a cardiologist. Mark E Lieb, MD is a board-certified physician, specializing in Cardiology. With an office conveniently located in Mount Kisco, NY, Dr. Lieb uses a personal approach to treat many heart diseases and conditions, both new and pre-existing. At Optum, our cardiologists offer a wide range of care, including echo stress test, electrocardiogram (EKG), echocardiogram, pacemaker monitoring and more. Optum accepts most major health plans.
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