Dr. O’Keefe is an Infectious Disease physician at Memorial Specialty Care Infectious Disease. He received his medical degree from Southern Illinois University School of Medicine in Springfield, Ill. in 2012. He completed his Internal Medicine/Pediatrics combined residency from the University of Missouri in Kansas City in 2013, as well as an Internal Medicine residency from Southern Illinois University School of Medicine in Springfield, Ill. in 2020. He later completed an Infectious Disease Fellowship, also from Southern Illinois University School of Medicine, in 2022.