Brett Armstrong, MD

Brett Armstrong, MD, is an internal medicine physician practicing concierge medicine with Intermountain Health, caring for adults in the Park City, Utah area. He's especially interested in heart and lung health. His background in emergency medicine sparked this interest, and he enjoys caring for patients with these conditions, from prevention and early detection to managing acute and chronic conditions.

Dr. Armstrong believes great medicine starts with taking the time to understand each patient as an individual. He's a good listener and wants patients to feel comfortable asking questions, sharing concerns, and taking an active role in their health. He builds lasting relationships based on trust and open communication. He works with each patient to set meaningful health goals and create a personalized, evidence-based plan to reach them. He takes a proactive approach to health and focuses on education, so patients feel informed, supported, and confident in their care.

Dr. Armstrong especially enjoys cases where he and his patients can see and measure progress over time. He finds it very rewarding to celebrate those moments with patients and to see their health and quality of life improve.

Dr. Armstrong was born in Los Angeles, California, and moved to Park City, Utah, when he was 11. He has considered Park City home ever since. Outside of work, Dr. Armstrong loves traveling and exploring the outdoors with his wife. They enjoy hiking, biking, climbing, camping, backpacking, scuba diving, kayaking, and caving. He's also a fan of movies, TV, and video games and collects screen-used props. He plays classical piano and guitar, sings, and hosts several Dungeons & Dragons campaigns with friends.