P O'brien is a Vascular Surgeon in Missoula, Montana. Dr. O'brien is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Carotid Artery Disease, and Carotid Artery Surgery. Dr. O'brien is currently accepting new patients.

Brett Williams is a Thoracic Surgeon in Great Falls, Montana. Dr. Williams is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Carotid Artery Disease, Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), Carotid Artery Surgery, and Heart Bypass Surgery.

Garth Olds is a General Surgeon in Bozeman, Montana. Dr. Olds is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Carotid Artery Disease, Carotid Artery Surgery, and Hernia Surgery. Dr. Olds is currently accepting new patients.

Jason Hurd is a Vascular Surgeon in Missoula, Montana. Dr. Hurd is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Arterial Insufficiency, Carotid Artery Surgery, and Fasciotomy. Dr. Hurd is currently accepting new patients.

Bennett Dykstra is a Vascular Surgeon and a General Surgeon in Kalispell, Montana. Dr. Dykstra is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Carotid Artery Disease, Abdominal Aortic Aneurysm (AAA), Arterial Insufficiency, Carotid Artery Surgery, and Hernia Surgery. Dr. Dykstra is currently accepting new patients.

Steven Bailey is a General Surgeon in Great Falls, Montana. Dr. Bailey is rated as a Distinguished provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Hiatal Hernia, Carotid Artery Surgery, and Coronary Artery Bypass Graft (CABG).

Robert Hancock is a Vascular Surgeon and a General Surgeon in Billings, Montana. Dr. Hancock is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Varicose Veins, Diverticular Disease, Abdominal Aortic Aneurysm (AAA), Carotid Artery Surgery, and Hernia Surgery. Dr. Hancock is currently accepting new patients.

Blair Erb is a Cardiologist in Ennis, Montana. Dr. Erb is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Endocarditis, Arrhythmias, Familial Ventricular Tachycardia, and Atrial Fibrillation. Dr. Erb is currently accepting new patients.

William Harper is a General Surgeon and a Vascular Surgeon in Helena, Montana. Dr. Harper is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Carotid Artery Disease, Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Parathyroidectomy, and Carotid Artery Surgery. Dr. Harper is currently accepting new patients.

Jeffrey Horn is a Vascular Surgeon in Billings, Montana. Dr. Horn is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are End-Stage Renal Disease (ESRD), Thoracic Aortic Aneurysm, Arterial Embolism, Carotid Artery Disease, and Carotid Artery Surgery. Dr. Horn is currently accepting new patients.

John Craig is a General Surgeon and a Vascular Surgeon in Kalispell, Montana. Dr. Craig is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Carotid Artery Disease, Arterial Insufficiency, Peripheral Artery Disease, Carotid Artery Surgery, and Colostomy. Dr. Craig is currently accepting new patients.

Thomas Desmarais is a Vascular Surgeon in Billings, Montana. Dr. Desmarais is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are End-Stage Renal Disease (ESRD), Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), Mesenteric Artery Ischemia, and Carotid Artery Surgery.

Heather Hall is a Vascular Surgeon in Billings, Montana. Dr. Hall is rated as an Advanced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). Her top areas of expertise are Idiopathic Edema, Gangrene, Arterial Insufficiency, Peripheral Artery Disease, and Carotid Artery Surgery. Dr. Hall is currently accepting new patients.

Michael Rohrer is a Vascular Surgeon in Missoula, Montana. Dr. Rohrer is rated as an Experienced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Gangrene, Carotid Artery Disease, End-Stage Renal Disease (ESRD), Arterial Embolism, and Carotid Artery Surgery. Dr. Rohrer is currently accepting new patients.

Charles Needham is a Thoracic Surgeon in Billings, Montana. Dr. Needham is rated as an Experienced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Cystic Medial Necrosis of Aorta, Aortic Dissection, Thoracic Aortic Aneurysm, Heart Bypass Surgery, and Heart Valve Repair.

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

Roberto Amado is a Thoracic Surgeon in Great Falls, Montana. Dr. Amado is rated as an Experienced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), Arterial Embolism, Heart Bypass Surgery, and Carotid Artery Surgery.

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 an Experienced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). Her top areas of expertise are Coronary Heart Disease, Angina, Atrial Fibrillation, and Atherosclerosis.

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

Daniel Gramins is a Vascular Surgeon in Billings, Montana. Dr. Gramins is rated as an Experienced provider by MediFind in the treatment of Abdominal Aortic Aneurysm (AAA). His top areas of expertise are Aortic Valve Stenosis, Arterial Embolism, Thoracic Aortic Aneurysm, Thymectomy, and Aortic Valve Replacement.