Sushma Kola, MD

Dr. Shaw is a board-certified, fellowship-trained, cardiologist and electrophysiologist. He performs electrophysiology studies and specializes in the diagnosis and treatment of abnormal electrical activity of the heart in adult patients. His expertise includes diagnosing complex arrhythmias and abnormal electrocardiograms, catheter ablation for atrial and ventricular arrhythmias, and the implantation and extraction of pacemakers and defibrillators.

Walter E. McGregor, MD is an accomplished cardiac surgeon who offers expertise in mitral valve disease, robotic heart surgery, transcatheter mitral repair, and complex surgical reconstructive techniques. As the Director of Allegheny Health Network's Cardiac Surgery Division, he has developed a multidisciplinary mitral disease program offering unique treatments to patients in Western Pennsylvania that incorporate robotic and catheter based technologies for enhanced recovery and improved outcomes. He is known as a clinical leader in this field and is designated as a mitral reference center surgeon by the American Heart Association. He also serves as a key investigator on several clinical trials assessing novel percutaneous mitral and tricuspid valve treatments. Recognized for his commitment to resident development, he serves as Director for the Thoracic Surgery Residency Program, maintains Associate Professorship at Drexel University College of Medicine, and is previously a funded investigator for the NIH. He is known to be a true role model and mentor for the residents and maintains an environment of scholarly commitment for his trainees. Dr. McGregor received his medical degree from an accelerated 6 year BS/MD program at the Northeastern Ohio Universities College of Medicine, and is an active member of the Society of Thoracic Surgeons, International Society for Minimally Invasive Cardiothoracic Surgery, and Mensa International.

Dr. Halbreiner is the Director of Research in Cardiac Surgery and has been widely and nationally published in the field, including presentations at national conferences. He serves as the primary investigator (PI) in many international and national clinical trials as well as the PI for the largest multi-institutional collaborative research effort in cardiac surgery – Cardiothoracic Surgical Trials Network (CTSN). Dr. Halbreiner earned his medical degree at the Medical University of South Carolina in Charleston, S.C. He completed his general surgery internship at Boston University Medical Center in Boston, Mass., and his residency at SUNY - Stony Brook in New York serving as administrative chief resident and as a research fellow in cardiac surgery. He then trained in cardiothoracic surgery at the Cleveland Clinic, in Cleveland, Ohio, where he served as administrative chief resident where he had a heavy focus on aortic surgery. He has held academic appointments as clinical instructor in surgery at SUNY - Stony Brook and at Case Western Reserve University Cleveland Clinic Lerner College of Medicine. He is currently an Associate Professor of Surgery at Drexel College of Medicine and has appointments as an Adjunct professor at Carnegie Mellon University through which he has ongoing NIH and State funded research with the Biomedical Engineering Department. He currently serves as the Director of the Aortic Center for AHN with expertise in complex aortic surgery and specialized care in patients with connective tissue disorders. He is a clinical leader in this field and performs both complex open-heart procedures as well as minimally invasive endovascular procedures for aortic diseases. The aortic center has joined efforts with other institutions across the country in treatment of aortic dissections through the International Registry for Aortic Diseases, through which Dr. Halbreiner is the PI. He is certified by the American Board of Thoracic Surgery. He is a member of the American College of Surgeons, American Heart Association, American College of Cardiology, and Society of Thoracic Surgeons.