Georgios Kitsios, MD, PhD, specializes in pulmonology and is board-certified in critical care medicine, pulmonary disease, and internal medicine by the American Board of Internal Medicine. He is affiliated with UPMC Williamsport, UPMC Somerset, UPMC Magee-Womens Hospital, UPMC Mercy, UPMC Jameson, UPMC Horizon, UPMC McKeesport, UPMC Northwest, UPMC St. Margaret, UPMC Shadyside, UPMC Presbyterian and UPMC East. Dr. Kitsios completed his fellowship at the University of Pittsburgh School of Medicine, residency at Lahey Hospital and Medical Center and medical education at Aristotle University of Thessaloniki.

Dr. Kitsios specializes in the human microbiome, mechanical ventilation, and infection diagnostics, as well as treating patients with acute respiratory distress syndrome and severe pneumonia.