Jay Aaron Mazel, MD, is a cardiac electrophysiologist at MedStar Washington Hospital Center and MedStar Montgomery Medical Center, as well as the previous Director of the Electrophysiology Lab at Washington Hospital Center. He focuses on treating patients with a range of cardiac conditions, including atrial fibrillation, atrial flutter, supraventricular tachycardia, Wolff-Parkinson-White Syndrome, premature ventricular contractions, ventricular tachycardia, bradycardia, and syncope.