Richard Bayer is a Cardiologist in Lewistown, Montana. Dr. Bayer is rated as an Advanced provider by MediFind in the treatment of Angina. His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Bayer is currently accepting new patients.

Barbara Dudczak is a Cardiologist in Billings, Montana. Dr. Dudczak is rated as a Distinguished provider by MediFind in the treatment of Angina. Her top areas of expertise are Aortic Regurgitation, Coronary Heart Disease, Necrosis, and Pediatric Myocarditis. Dr. Dudczak is currently accepting new patients.

Steven Mast is an Interventional Cardiologist and a Cardiologist in Great Falls, Montana. Dr. Mast is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, Pacemaker Implantation, and Heart Bypass Surgery. Dr. Mast is currently accepting new patients.

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

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

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 a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Metabolic Syndrome, and Pacemaker Implantation.

Andrew Carter is an Interventional Cardiologist and a Cardiologist in Great Falls, Montana. Dr. Carter is rated as a Distinguished provider by MediFind in the treatment of Angina. 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.

Joseph Krezowski is a Cardiologist in Chester, Montana. Dr. Krezowski is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Aortic Regurgitation, Atrial Fibrillation, Pediatric Myocarditis, Angioplasty, and Pacemaker Implantation. Dr. Krezowski is currently accepting new patients.

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

Robert Mitchell is a Cardiologist and a Vascular Surgeon in Kalispell, Montana. Dr. Mitchell is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Atrial Fibrillation, Aortic Regurgitation, Arrhythmias, Pediatric Myocarditis, and Pacemaker Implantation. Dr. Mitchell is currently accepting new patients.

Richard Paustian is an Interventional Cardiologist and a Cardiologist in Helena, Montana. Dr. Paustian is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Dilated Cardiomyopathy (DCM), and Pacemaker Implantation. Dr. Paustian is currently accepting new patients.

Eve Gillespie is a Cardiologist in Kalispell, Montana. Dr. Gillespie is rated as a Distinguished provider by MediFind in the treatment of Angina. 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.

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 a Distinguished provider by MediFind in the treatment of Angina. 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 Terry is an Interventional Cardiologist and a Cardiologist in Bozeman, Montana. Dr. Terry is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Aortic Valve Replacement. Dr. Terry is currently accepting new patients.

Dr. Gerasimou has been practicing medicine in Montana for over 20 years. Formerly an interventional cardiologist for 19 years, Dr. Gerasimou transitioned her practice to general cardiology in July 2021. Dr. Gerasimou specializes in all aspects of cardiology and brings with her an extensive cardiac background. Dr. Gerasimou attended Saint Francis University in Loretto, Pennsylvania for her Bachelor of Science in Biology in 1987. She then went on to complete her medical degree from the American University in Montserrat in 1991. She completed her residency in Internal Medicine at the Danbury Hospital in Connecticut in 1994 and her cardiology fellowship at the University of Iowa in 1997. After completing schooling, Dr. Gerasimou accepted her first job as a cardiologist at the Great Falls Clinic in 1998. We are excited to welcome her back to our team full-time! In her spare time, Dr. Gerasimou enjoys spending time with her family and friends. She also enjoys hiking, fly-fishing, skiing and her Peloton bike. Dr. Gerasimou is rated as a Distinguished provider by MediFind in the treatment of Angina. Her top areas of expertise are Coronary Heart Disease, Angina, Atrial Fibrillation, and Atherosclerosis.

James Maddux is an Interventional Cardiologist in Polson, Montana. Dr. Maddux is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Subvalvular Aortic Stenosis, Cardiomyopathy, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Maddux is currently accepting new patients.

Nathaniel Hall is an Interventional Cardiologist and a Cardiologist in Kalispell, Montana. Dr. Hall is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Angioplasty.

Michael Reed is an Interventional Cardiologist in Missoula, Montana. Dr. Reed is rated as a Distinguished provider by MediFind in the treatment of Angina. His top areas of expertise are Coronary Heart Disease, Heart Attack, Aortic Valve Stenosis, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Reed is currently accepting new patients.

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 Angina. 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.

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