Katherine E. Arn, MD

Katherine Arn, MD, is an infectious disease physician at Intermountain Health’s McKay-Dee Infectious Disease Clinic in Ogden, Utah. She supports patients in Ogden, North Ogden, South Ogden, Riverdale, and surrounding communities diagnosing, treating, and preventing complex infections caused by bacteria, viruses, fungi, or parasites. She has a strong commitment to patient care with a diverse clinical background.

After obtaining a bachelor’s in biology from the University of Central Florida, Katherine attended the American University of the Caribbean School of Medicine, gaining diverse international experience in St. Martin, England, Vietnam, and the United States. She completed her internal medicine residency at Cottage Hospital in Santa Barbara, California, followed by an infectious diseases fellowship at the University of Utah. With a focus on general infectious diseases, HIV, travel, and tropical medicine, she is dedicated to delivering high-quality care to her patients. 

Outside the clinic, Katherine enjoys skiing, mountain and road biking, surfing, and scuba diving, blending a passion for adventure with a commitment to staying active and engaged outdoors.