Dr. Douglas M. Guy

Born in Mansfield, Ohio, Dr. Bayer earned an undergraduate degree in Molecular Genetics and one in Criminology from The Ohio State University in Columbus. He went on to attend medical school at The Ohio State University College of Medicine and Public Health. After medical school, Dr. Bayer moved to Charleston, where he completed an Internal Medicine internship and residency and a Cardiology fellowship at the Medical University of South Carolina. Board certified in cardiovascular diseases and Echocardiography; Dr. Bayer has advanced training in Cardiac Computed Tomography (CT). Additionally, he has been very active in research with numerous publications in the field of advanced cardiovascular imaging. His clinical interests include general clinical cardiology, preventive cardiac care and cardiovascular imaging.�I am passionate about developing a positive personal relationship with�all my patients and helping them live and enjoy their life to their fullest potential.�When not working, Dr. Bayer participates in outdoor activities such as snowboarding, surfing, soccer, and hiking and keeps physically active by running, swimming, biking and working out. He enjoys spending time with his wife, playing with my two sons and three rescue dogs and watching Ohio State sports. Dr. Bayer is rated as a Distinguished provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Joseph Apostol is a Cardiologist and an Interventional Cardiologist in Billings, Montana. Dr. Apostol is rated as a Distinguished provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Arrhythmias, Atrial Fibrillation, Sick Sinus Syndrome, Pacemaker Implantation, and Aortic Valve Replacement. Dr. Apostol is currently accepting new patients.

Born and raised in Billings, Montana Dr. Henckel attended medical school at The University of Washington in Seattle and completed a residency in internal medicine at the University of Michigan in Ann Arbor. He went on to complete a fellowship in cardiology from The Ohio State University of Columbus and a fellowship in interventional cardiology at William Beaumont Hospital in Royal Oak, Michigan. After being away from Montana throughout his medical training, returning home became a priority for both Dr. Henckel and his wife (also a Billings resident).�I want to use the well-established guidelines and recommendations in cardiology to positively impact my patient�s care while simultaneously showing them how we can tailor these to better fit their individual needs.�Whether deciding on an interventional procedure or conservative management, Dr. Henckel believes it is important to use a team approach. He believes in involving the patient, their family and friends and any other necessary medical professionals.When not at work, Dr. Henckel can be found spending time with his wife and three children. They are fond of spending time outdoors enjoying all that Montana has to offer � hiking, fishing, tennis and golf. Dr. Henckel is rated as an Advanced provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Apoplexy, Angina, Coronary Heart Disease, Atherosclerosis, and Endoscopy.