Mary S. O'Brien, M.D., is an obstetrician and gynecologist with Total Woman, a Part of Norton Women's Care. Dr. O'Brien earned her medical degree from the University of Louisville School of Medicine. She completed her residency in obstetrics and gynecology at University of Louisville Hospital. Her clinical interests include caring for women throughout the phases of their lives, from adolescence through their reproductive years and into menopause. She has a special interest in minimally invasive surgery techniques, including laparoscopic and robotic surgery. Her goal is to ensure that every patient feels heard regarding their health care concerns and supported in their personal decisions. She aims to provide individualized care and work alongside her patients to determine the best care plan for them. Outside of work, Dr. O'Brien enjoys spending time with her family. She loves attending University of Louisville sporting events, spending time outside and trying new restaurants.