John Hynes, MD, is a board-certified cardiac electrophysiologist with LewisGale Physicians in Salem, Virginia. Dr. Hynes has more than 20 years of specialized focus that includes supraventricular …
John Hynes, MD, is a board-certified cardiac electrophysiologist with LewisGale Physicians in Salem, Virginia. Dr. Hynes has more than 20 years of specialized focus that includes supraventricular tachycardia, atrial fibrillation, palpitations, implantable devices, and cardiac resynchronization therapy. Call our office to schedule an appointment.