Nicholas Joseph Trottier, MD, MPH, is an internal medicine physician at St. Luke's. He provides comprehensive care for adults, with a focus on preventive health, chronic disease management and helping patients navigate complex medical concerns. His background as a medical officer in the U.S. Navy shaped his ability to care for people in a variety of settings and to guide patients through important health decisions.

Dr. Trottier earned his medical degree from Saint Louis University School of Medicine and a Master of Public Health from the University of Missouri. He completed an internal medicine internship at Naval Medical Center San Diego and an internal medicine residency at Mercy Hospital Saint Louis.

Dr. Trottier's patient philosophy is centered on listening carefully, building trust and partnering with patients to create care plans that support their overall health and long-term well-being.