Steven T. Gremillion

Dr. Steven Gremillion, Chief Medical Officer, joined the Franciscan Missionaries of Our Lady Health System in 1993 and became Chief Medical Officer in March 2020. He serves as liaison between the physician enterprise and the leadership team supporting projects and initiatives that promote integrated operations and strategic growth. In addition, he leads the health system’s comprehensive quality and safety initiatives.

Dr. Gremillion is focused on the productive and fulfilling engagement of the organization’s providers, including its statewide Physician Group of more than 900 providers and clinically integrated network. He leads the team of chief medical officers who serve the health system’s 10 acute care facilities, Children’s Hospitals in both Baton Rouge and Acadiana, multiple academic medicine partnerships, as well as a growing network of ambulatory sites and free-standing ER campuses. Dr. Gremillion’s leadership guides the clinical standards and activities resulting in an engaged network of providers who deliver top-quartile patient outcomes and experiences.

A board-certified Cardiologist, Dr. Gremillion earned his undergraduate degree from Louisiana State University in 1982 followed by his medical degree from LSU School of Medicine in New Orleans. He later completed his residency at Vanderbilt University Medical Center in Nashville, where he added a Clinical Cardiology fellowship and Electrophysiology fellowship. Before accepting his current position, Dr. Gremillion served as Associate Chief Medical Officer, Chief Medical Officer/VPMA and Senior Vice President and Chief Medical Officer at Our Lady of the Lake Regional Medical Center in Baton Rouge.