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 Systemic Sclerosis (SSc). His top areas of expertise are Arrhythmias, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Stroebe grew up in Colstrip, Montana. She earned her undergraduate degree from Carroll College in Helena, Montana and received her medical degree from the Pacific Northwest University of Health Sciences � College of Osteopathic Medicine in Yakima, Washington. Dr. Stroebe completed an internal medicine residency with Legacy Health System in Portland, Oregon. After her residency, Dr. Stroebe worked as a hospitalist and internal medicine provider in Washington state. As a board certified physician her clinical interests include chronic disease management, women�s health, preventive medicine, obesity management and rheumatology. Dr. Stroebe�is passionate about helping patients to understand their chronic health conditions, how and why we treat these conditions, and how to live a fulfilling life with their chronic health conditions.�Each patient is different and has their own story to tell. Each disease state is the same but affects each patient in a different way. I feel I am a good listener, problem solver, and critical thinker which allows me to not only treat the disease but treat the whole patient.�Happy to be back home in Montana, Dr. Stroebe enjoys spending time with her husband and their three children. Family is the center of everything she loves doing. Dr. Stroebe is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Type 2 Diabetes (T2D), Vertigo, Sciatica, Low Potassium Level, and Hip Replacement.

Timothy Gardner is a Gastroenterologist in Great Falls, Montana. Dr. Gardner is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Chronic Pancreatitis, Hereditary Pancreatitis, Acute Pancreatitis, Pancreatectomy, and Islet Cell Transplantation.

Ryan Nahapetian is a Sleep Medicine specialist and an Intensive Care Medicine provider in Missoula, Montana. Dr. Nahapetian is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Systemic Sclerosis (SSc), and Emphysema. Dr. Nahapetian is currently accepting new patients.

Roger Diegel is a Rheumatologist in Kalispell, Montana. Dr. Diegel is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Axial Spondyloarthritis (AxSpA). Dr. Diegel is currently accepting new patients.

Ann Corsi is a Rheumatologist in Missoula, Montana. Dr. Corsi is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Rheumatoid Arthritis (RA), Systemic Sclerosis (SSc), Scleroma, and Osteoporosis. Dr. Corsi is currently accepting new patients.

James Bennett is a Rheumatologist in Helena, Montana. Dr. Bennett is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Psoriatic Arthritis, Psoriasis, Rheumatoid Arthritis (RA), and Rheumatoid Vasculitis.

Bernadette Vanbelois is a Rheumatologist in Kalispell, Montana. Dr. Vanbelois is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Rheumatoid Arthritis (RA), Interstitial Keratitis, Necrotizing Vasculitis, and Granulomatosis with Polyangiitis. Dr. Vanbelois is currently accepting new patients.

Bruno Oliveira is a Rheumatologist and a Pediatrics provider in Billings, Montana. Dr. Oliveira is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Felty Syndrome. Dr. Oliveira is currently accepting new patients.

John Jenkins is a Rheumatologist in Billings, Montana. Dr. Jenkins has been practicing medicine for over 39 years and is rated as an Advanced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Rheumatoid Arthritis (RA), Juvenile Temporal Arteritis, Necrotizing Vasculitis, and Calcium Pyrophosphate Arthritis. Dr. Jenkins is currently accepting new patients.

Naya Mckinnon is a Rheumatologist in Bozeman, Montana. Dr. Mckinnon is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Rheumatoid Arthritis (RA), Sjogren Syndrome, Fibromyalgia, and Psoriasis. Dr. Mckinnon is currently accepting new patients.

Steven Chrzanowski is a primary care provider, practicing in Internal Medicine in Great Falls, Montana. Dr. Chrzanowski is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

Robert Merchant is a Pulmonary Medicine provider in Billings, Montana. Dr. Merchant is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Sarcoidosis, Obstructive Sleep Apnea, Lung Metastases, and Chronic Obstructive Pulmonary Disease (COPD). Dr. Merchant is currently accepting new patients.

Rebecca Belsom is a Rheumatologist in Missoula, Montana. Dr. Belsom is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Rheumatoid Arthritis (RA), Calcium Pyrophosphate Arthritis, Rhizomelic Pseudopolyarthritis, and Polymyalgia Rheumatica. Dr. Belsom is currently accepting new patients.

Monika Starosta is a Rheumatologist in Billings, Montana. Dr. Starosta is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, Osteoporosis, and Calcium Pyrophosphate Arthritis.

John Mccahan is a Rheumatologist in Bozeman, Montana. Dr. Mccahan is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Rheumatoid Arthritis (RA), Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Psoriatic Arthritis. Dr. Mccahan is currently accepting new patients.

Kelly Timmer is a Nurse Practitioner in Great Falls, Montana. Ms. Timmer is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Systemic Sclerosis (SSc), Menopause, and Intrauterine Device Insertion. Ms. Timmer is currently accepting new patients.

Michael Belsky is a Rheumatologist in Billings, Montana. Dr. Belsky is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). His top areas of expertise are Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Psoriasis.

Jessica Bailey is a primary care provider, practicing in Family Medicine in Helena, Montana. Dr. Bailey is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Arrhythmogenic Right Ventricular Cardiomyopathy, Seasonal Affective Disorder (SAD), Cardiomyopathy, and Hypothyroidism. Dr. Bailey is currently accepting new patients.

Dr. Sisk is an experienced pulmonologist who has provided pulmonary care since 2018. Dr. Sisk has a special interest in bridging urban and rural healthcare access. In 2004, Dr. Sisk earned her Bachelor’s of Science in Biology from Missouri Western State University. Dr. Sisk graduated with her Doctor of Osteopathy in 2011 from Kansas City University of Medicine. Dr. Sisk completed her Pulmonary Critical Care Fellowship in 2018. She continued her education with a Masters of Healthcare Administration from Virginia Commonwealth University in 2019. After completing her medical degree, Dr. Sisk worked as a nocturnal hospitalist. Dr. Sisk has participated in many medical missions in developing countries to establish and provide care in rural communities. Before joining the Great Falls Clinic team, she was a pulmonary/critical care physician in Colorado, a physician assistant program instructor and a medical director for a nonprofit located in Mozambique, Africa. In her spare time, Dr. Sisk enjoys spending time in nature including hiking, camping, fishing and exploring, always with a canine sidekick. She loves international travel, hosting friends and family for good food and golf. Dr. Sisk is rated as an Experienced provider by MediFind in the treatment of Systemic Sclerosis (SSc). Her top areas of expertise are Lung Metastases, Pulmonary Veno-Occlusive Disease, Interstitial Lung Disease, and Pulmonary Hypertension.