Robert Terry is a Cardiologist and an Interventional Cardiologist in Billings, Montana. Dr. Terry has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Aortic Valve Replacement. Dr. Terry is currently accepting new patients.

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 Acute Coronary Syndrome. His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Ritchie offers the full complement of cardiology services including arterial catheterization; temporary pacemakers; conventional and stress echocardiography, transesophageal echocardiography as well as exercise and pharmacologic stress testing. He also brings his expertise in all aspects of coronary angioplasty, including structural heart disease such as closure of atrial septal defects, balloon valvuloplasties; and peripheral angiography (AAA endovascular stent grafts, renal artery stents), DCA, rotablator, brachytherapy, IVUS and physiologic lesion assessment. Dr. Ritchie is board certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology. Dr. Ritchie completed his undergraduate work at the University of Evansville, where he played baseball for three years. He attended medical school at Indiana University, where he graduated with highest honors in 1986. He then went on to complete his residency at Case Western Reserve School of Medicine in Cleveland in 1989. From there, he went on to complete his fellowship at Washington University in Saint Louis, where he performed clinical rotations while receiving interventional training. In his spare time Dr. Ritchie enjoys hiking, fishing, hunting, biking and spending time with friends and family. Dr. Ritchie is rated as an Advanced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Atrial Septal Defect (ASD), Patent Foramen Ovale, Unstable Angina, Carotid Artery Disease, and Pacemaker Implantation.

Jay Bitar is an Interventional Cardiologist in Butte, Montana. Dr. Bitar has been practicing medicine for over 45 years and is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Heart Attack, Necrosis, Acute Coronary Syndrome, and Apoplexy. Dr. Bitar is currently accepting new patients.

Justin Shafer is a primary care provider, practicing in Family Medicine in Havre, Montana. Dr. Shafer is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Acute Coronary Syndrome, Cerebral Hypoxia, Muscle Spasms, and Opisthotonos.

Michael Reed is an Interventional Cardiologist in Missoula, Montana. Dr. Reed is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. 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.

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 Acute Coronary 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.

Douglas Waldo is a Cardiologist in Ronan, Montana. Dr. Waldo is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Atrial Fibrillation, Angina, Coronary Heart Disease, Atherosclerosis, and Pacemaker Implantation. Dr. Waldo is currently accepting new patients.

Steven Goldberg is an Interventional Cardiologist and a Cardiologist in Great Falls, Montana. Dr. Goldberg is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Mitral Valve Regurgitation, Heart Attack, Atrial Septal Defect (ASD), Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Goldberg 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 Acute Coronary Syndrome. Her top areas of expertise are Cardiomyopathy, Atherosclerosis, Coronary Heart Disease, and Heart Attack. Dr. Fenton is currently accepting new patients.

Dane Sobek is a Cardiologist and an Interventional Cardiologist in Missoula, Montana. Dr. Sobek is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Heart Attack, Apoplexy, Arrhythmias, and Pacemaker Implantation. Dr. Sobek is currently accepting new patients.

Daniel Spoon is an Interventional Cardiologist in Missoula, Montana. Dr. Spoon is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Coronary Heart Disease, Mitral Valve Regurgitation, Angina, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Spoon is currently accepting new patients.

Gregory Wood is an Interventional Cardiologist in Great Falls, Montana. Dr. Wood is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, and Atrial Fibrillation. Dr. Wood is currently accepting new patients.

Elizabeth Holper is an Interventional Cardiologist and a Cardiologist in Helena, Montana. Dr. Holper is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. Her top areas of expertise are Aortic Valve Stenosis, Coronary Heart Disease, Heart Attack, Transcatheter Aortic Valve Replacement (TAVR), and Percutaneous Coronary Intervention (PCI).

Joseph Krezowski is a Cardiologist in Chester, Montana. Dr. Krezowski is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Aortic Regurgitation, Atrial Fibrillation, Pediatric Myocarditis, Angioplasty, and Pacemaker Implantation. Dr. Krezowski 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 Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Idiopathic Edema, Generalized Tonic-Clonic Seizure, Trichohepatoenteric Syndrome, and Anemia. Dr. Addison is currently accepting new patients.

Bruce Hayward is a primary care provider, practicing in Family Medicine in Dillon, Montana. Dr. Hayward is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Labyrinthitis, Acute Cystitis, Interstitial Nephritis, and Transient Ischemic Attack (TIA).

Lawrence Brouwer is a primary care provider, practicing in Family Medicine in Hamilton, Montana. Dr. Brouwer is rated as an Experienced provider by MediFind in the treatment of Acute Coronary Syndrome. His top areas of expertise are Low Sodium Level, Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Colonoscopy. Dr. Brouwer is currently accepting new patients.

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

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