Dr. Daniel L. Hayward

Alan Zunamon, MD, a cardiologist at Endeavor Health, brings decades of experience across multiple cardiac subspecialties. He was part of the first U.S. cases of MitraClip implantation and continues to advance patient care through clinical expertise and thoughtful decision-making. Dr. Zunamon integrates the science of cardiovascular medicine with an individualized approach that respects each patient’s values, goals and preferences. Dr. Zunamon is rated as a Distinguished provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Atrial Fibrillation, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, and Coronary Heart Disease.

Bruce Bergelson, MD, a cardiologist at Endeavor Health, brings over 35 years of experience in diagnosing and treating heart conditions. He is committed to building strong relationships with patients, listening to their concerns and developing treatment plans they feel confident about. Dr. Bergelson combines thoughtful care with the latest advances in cardiology to address both urgent and ongoing cardiovascular needs. Dr. Bergelson is rated as a Distinguished provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, and Atrial Fibrillation.

Atif Hassan, MD, an interventional cardiologist at Endeavor Health, cares for patients across all stages of cardiovascular health—from prevention to critical intervention. He performs complex procedures like heart stents and treats blocked arteries, including in the legs. Dr. Hassan practices personalized care, aiming to understand each patient’s unique background, lifestyle and medical needs. Dr. Hassan is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Angina, Arrhythmias, Heart Attack, and Atrial Fibrillation.