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 an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Blair Erb is a Cardiologist in Ennis, Montana. Dr. Erb is rated as a Distinguished provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Endocarditis, Arrhythmias, Familial Ventricular Tachycardia, and Atrial Fibrillation. Dr. Erb is currently accepting new patients.

Alexander Jehle is a Cardiologist in Polson, Montana. Dr. Jehle is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Adenosine Deaminase 2 Deficiency, and Coronary Heart Disease. Dr. Jehle is currently accepting new patients.

Bradley Berry is a Cardiologist in Missoula, Montana. Dr. Berry is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Cardiomyopathy, Bicuspid Aortic Valve, Angina, and Atherosclerosis. Dr. Berry is currently accepting new patients.

William Hull is a Cardiologist in Anaconda, Montana. Dr. Hull is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Angina, Atrial Fibrillation, Sick Sinus Syndrome, and Atherosclerosis. Dr. Hull is currently accepting new patients.

Jocelyn Spoon is a Cardiologist in Plains, Montana. Dr. Spoon is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Mitral Valve Regurgitation, Atrial Fibrillation, Adenosine Deaminase 2 Deficiency, and Apoplexy. Dr. Spoon is currently accepting new patients.

Thomas Addison is a primary care provider, practicing in Geriatrics and Internal Medicine in Great Falls, Montana. Dr. Addison is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Idiopathic Edema, Generalized Tonic-Clonic Seizure, Trichohepatoenteric Syndrome, and Anemia. Dr. Addison is currently accepting new patients.

Melissa Robinson is a Cardiac Electrophysiologist and a Cardiologist in Missoula, Montana. Dr. Robinson is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Ventricular Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Robinson is currently accepting new patients.

Hanna Konarzewska is a Cardiologist and a Cardiac Electrophysiologist in Great Falls, Montana. Dr. Konarzewska has been practicing medicine for over 43 years and is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Short QT Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS), Brugada Syndrome, Fainting, and Pacemaker Implantation.

Victor Bonilla is a Cardiologist in Great Falls, Montana. Dr. Bonilla is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are High Cholesterol, Sengers Syndrome, Atrial Fibrillation, and Hypertension.

Dr. Jorge (pronounced “George”) Castriz is a board certified interventional cardiologist. Dr. Castriz offers the full complement of cardiology services including arterial catheterization, biventricular pacing, temporary pacemakers, conventional and stress echocardiography as well as exercise and pharmacologic stress testing. He also brings his expertise in all aspects of peripheral angiography and coronary angioplasty (AAA endovascular stent grafts, renal artery stents, angioplasty, DCA, rotablator, brachytherapy, IVUS and physiologic lesion assessment). Dr. Castriz is board certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology and is a fellow of the American College of Cardiology. Prior to joining the Great Falls Clinic in 2013, Dr. Castriz maintained an active practice with the Cardiovascular Medical Specialists of the Palm Beaches in Jupiter, Florida. Prior to that, Dr. Castriz owned a private practice in Palm Beach Gardens, Florida for nine years. Dr. Castriz received his medical degree from the University Central Del Este in the Dominican Republic. He completed his internship and residency in Internal Medicine, and his fellowship in Interventional Cardiology at the University of Oklahoma Health Science Center in Oklahoma City, OK. Dr. Castriz is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Metabolic Syndrome, and Pacemaker Implantation.

Shawn Kelly is an Interventional Cardiologist and a Cardiologist in Great Falls, Montana. Dr. Kelly is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Angioplasty, and Atherectomy.

Preston Schneider is a Cardiologist and a Hospital Medicine provider in Bozeman, Montana. Dr. Schneider has been practicing medicine for over 16 years and is rated as an Advanced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Adenosine Deaminase 2 Deficiency, Arrhythmias, Familial Ventricular Tachycardia, and Atrial Fibrillation. Dr. Schneider is currently accepting new patients.

Robert Phillips is a Cardiologist in Helena, Montana. Dr. Phillips is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Coronary Heart Disease, Arrhythmogenic Right Ventricular Cardiomyopathy, Angina, and Atherosclerosis. Dr. Phillips is currently accepting new patients.

Sarah Fenton is an Interventional Cardiologist and a Cardiologist in Helena, Montana. Dr. Fenton is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Cardiomyopathy, Atherosclerosis, Coronary Heart Disease, and Heart Attack. Dr. Fenton is currently accepting new patients.

Alexis Harrison is a Cardiologist in Kalispell, Montana. Dr. Harrison is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Atrial Fibrillation, Pediatric Myocarditis, Aortic Regurgitation, Pacemaker Implantation, and Angioplasty. Dr. Harrison is currently accepting new patients.

Eve Gillespie is a Cardiologist in Kalispell, Montana. Dr. Gillespie is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, Pulmonary Edema, Pacemaker Implantation, and Cardiac Ablation. Dr. Gillespie is currently accepting new patients.

Edmund Brennan is a Cardiac Electrophysiologist and a Cardiologist in Great Falls, Montana. Dr. Brennan is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Cardiomyopathy, Sengers Syndrome, Angina, Familial Hypertrophic Cardiomyopathy, and Pacemaker Implantation.

Douglas Guy is a Cardiologist in Billings, Montana. Dr. Guy has been practicing medicine for over 41 years and is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Atherosclerosis, Angina, and Pacemaker Implantation. Dr. Guy is currently accepting new patients.

Andrew Carter is an Interventional Cardiologist and a Cardiologist in Great Falls, Montana. Dr. Carter is rated as an Experienced provider by MediFind in the treatment of Sengers Syndrome. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Carter is currently accepting new patients.