Barr J Petersen, MD

Dr. Barr Petersen specializes in internal medicine, focusing on the comprehensive care of adult patients. He earned his medical degree from the University of Colorado School of Medicine and brings two decades of clinical experience to his practice. Dr. Petersen speaks English with his patients.

Dr. Petersen practices in Billings, Montana, where he provides primary care services and senior-focused medical care. He treats patients with heart failure, helping manage this serious condition that affects how the heart pumps blood. Petersen also addresses tobacco use disorders, supporting patients who want to quit smoking or using other tobacco products. His experience includes managing hypertensive emergencies, which are severe cases of high blood pressure requiring immediate medical attention.