Dr. Gregory Shields is specialized in Pulmonology, Internal Medicine, as well in Critical Care Medicine. He has a medical practice experience of over 35 years. Dr. Shields graduated from the Vanderbilt University School of Medicine, where he also did an internship and completed his residency. A fellowship program followed, at the same university. Dr. Shields is a member of the Society of Hospital Medicine (SHM) and is currently affiliated with Southeast Alabama Medical Center.