Timothy R. Billiar, MD

Dr. Timothy Billiar joined the University of Pittsburgh in 1992 as the first Samuel P. Harbison endowed assistant professor of surgery. Currently, he is George Vance Foster endowed professor and chair in the Department of Surgery. He is also a deputy director in the Molecular Medicine Institute and principal investigator of the Billiar Laboratory.

Dr. Billiar holds an MD from the University of Chicago, Pritzker School of Medicine. As a postgraduate, he did a residency and fellowship at the University of Minnesota and also completed a fellowship at Pitt before he joined the faculty here. In addition to his academic appointments, Dr. Billiar holds a position as general surgery staff physician and trauma staff physician at UPMC Shadyside Hospital. He is also vice-president and chief academic officer, University of Pittsburgh Physicians.

Currently, Dr. Billiar is involved in several research projects within the Billiar Lab. His current areas of research include:

  • Nitric oxide and hepatic function in sepsis and trauma
  • Post-traumatic sepsis: regulation of LPS binding protein
  • Training in trauma and sepsis research
  • Molecular biology of hemorrhagic shock

As a result of his research, Dr. Billiar has gained an international reputation for his contributions to understanding the role of nitric oxide in gene therapy, trauma, liver disease, and other potential clinical applications. He holds six US patents associated with his research.

Dr. Billiar has written hundreds of publications and has been the recipient of consistent grant money from the NIH and other institutions. He was recognized in the Best Doctors In America for 2003-2004 and 2005-2006.

Dr. Billiar has been recognized with membership in the Institute of Medicine and the National Academy of Sciences. He received the Flance-Karl Award from the American Surgical Association. He previously served as president of the Society of University Surgeons, the Surgical Infection Society, and the International Nitric Oxide Society. He also served on the Surgery Anesthesia Trauma Study Section of the National Institutes of Health and currently serves on the Surgery Residency Review Committee of the Accreditation Council for Graduate Medical Education.


Dr. Timothy R. Billiar
Phone: (412) 647-1749
Email: billiartr@upmc.edu