Leo E. Orr, M.D.

Biography

Leo Earsel Orr, M.D. is a board-certified Hematologist and Medical Oncologist. He received his medical degree from Baylor Medical School in Houston, TX. His internal medicine residency was completed at Parkland Hospital’s Southwestern Medical School in Dallas, TX. Dr. Orr then served as a Clinical Associated at the National Cancer Institute in Bethesda, Maryland.

Dr. Orr has served on multiple hospital committees and has spearheaded several research projects throughout his career. He has worked with Good Samaritan Hospital and the University of Southern California Medical School. He has also worked with the National Aeronautics and Space Administration (NASA) as a Biological Engineer in the Space Medicine Branch.