Homer L. Twigg, III


Titled Professor (2016)
Floyd & Reba Smith Professor of Pulmonary Disease
Indiana University Purdue University Indianapolis (IUPUI)
School of Medicine
Department of Medicine


Homer L. Twigg III, M.D. is a Professor of Medicine in the Pulmonary, Allergy, Critical Care, and Sleep Medicine Division at Indiana University. Dr. Twigg did his Medical School training at Georgetown University, Internal Medicine Residency at the University of Alabama at Birmingham, and Pulmonary/Critical Care Fellowship at the University of Texas Health Science Center at Dallas (Parkland). He joined the faculty at Indiana University in 1989 and served as the Chief of the Division 2000 to 2017. Dr. Twigg has a long research interest in pulmonary host defense in HIV infection and has served on many special emphasis panels sponsored by the NHLBI in this area. He also served a term as a standing member of the Lung Cellular, Molecular, and Immunobiology (LCMI) study section. Most recently Dr. Twigg has been investigating the lung Microbiome and Virome in healthy subjects and patients with HIV infection, attempting to link the microbial milieu to chronic inflammation and chronic diseases found in the HIV-infected and aging population.