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 a Distinguished provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atrial Septal Defect (ASD), Patent Foramen Ovale, Unstable Angina, Carotid Artery Disease, and Pacemaker Implantation.

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 Unstable Angina. His top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Metabolic Syndrome, and Pacemaker Implantation.

Carlos Albrecht is a Cardiologist in Butte, Montana. Dr. Albrecht is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Angina, Arterial Embolism, Arrhythmias, Sick Sinus Syndrome, and Pacemaker Implantation.

Randolph Hutter is a Cardiologist in Great Falls,, Montana. Dr. Hutter is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Angina, Atrial Fibrillation, and Pacemaker Implantation.

James Maddux is an Interventional Cardiologist in Polson, Montana. Dr. Maddux is rated as an Experienced provider by MediFind in the treatment of Unstable 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 Madsen is a Cardiologist in Bozeman,, Montana. Dr. Madsen is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Familial Ventricular Tachycardia, Arrhythmias, Cardiomyopathy, Mitral Valve Regurgitation, and Pacemaker Implantation.

Jay Bitar is a 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 Unstable Angina. His top areas of expertise are Heart Attack, Acute Coronary Syndrome, Apoplexy, and Arterial Embolism.

Robert Mitchell is a Cardiologist in Kalispell, Montana. Dr. Mitchell is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Atrial Fibrillation, Aortic Regurgitation, Arrhythmias, Pediatric Myocarditis, and Pacemaker Implantation.

Dane Sobek is a Cardiologist in Bozeman, Montana. Dr. Sobek is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Heart Attack, Apoplexy, Arrhythmias, and Pacemaker Implantation.

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

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

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

Alrich Gray is a Cardiologist in Great Falls, Montana. Dr. Gray is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Sick Sinus Syndrome, Cardiac Ablation, and Pacemaker Implantation.

Brian Rah is a Cardiologist in Billings,, Montana. Dr. Rah is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, Pacemaker Implantation, and Cardiac Ablation.

Blair Erb is a Cardiologist in Bozeman,, Montana. Dr. Erb is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Endocarditis, Arrhythmias, Familial Ventricular Tachycardia, and Atrial Fibrillation.

Michael Eisenhauer is a Cardiologist in Great Falls,, Montana. Dr. Eisenhauer is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Heart Attack, Apoplexy, Angina, Atherosclerosis, and Pacemaker Implantation.

Collin Fischer is a Cardiologist in Billings,, Montana. Dr. Fischer is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Vasculitis, Pacemaker Implantation, and Cardiac Ablation.

James Boatman is a Cardiologist in Great Falls, Montana. Dr. Boatman is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, and Angina.

Sarosh Janjua is a Cardiologist in Billings, Montana. Dr. Janjua is rated as an Experienced provider by MediFind in the treatment of Unstable Angina. Her top areas of expertise are Heart Attack, Apoplexy, Heart Failure, Pulmonary Edema, and Pacemaker Implantation.

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