Applied Chest Imaging Laboratory

Dr. Ravi Kalhan

Professor of Medicine (Pulmonary and Critical Care), Northwestern University
Professor of Preventive Medicine (Epidemiology), Northwestern University

Ravi Kalhan

Ravi Kalhan, MD, MS is Deputy Division Chief of Pulmonary and Critical Care Medicine at Northwestern. He additionally serves as co-director of the Center for Education and Career Development in the Northwestern University Clinical and Translational Sciences (NUCATS) Institute (, and as the director of the NUCATS Masters of Science in Clinical Investigation program.

Dr. Kalhan’s research focus is in respiratory epidemiology.  He leads large-scale epidemiologic cohort studies focused on lifecourse transitions from respiratory health to chronic lung disease.  Central to this work is a framework that attempts to identify the components of ideal respiratory health, and thereby shifts the focus of the respiratory community from secondary to primary prevention of lung disease. Dr. Kalhan additionally participates in clinical trials centered on people living with asthma and chronic obstructive pulmonary disease (COPD). 

Ravi attended college at Brown University in Providence, RI where he majored in modern American history. He subsequently entered medical school at Case Western Reserve University School of Medicine and completed his internal medicine residency at the Hospital of the University of Pennsylvania. He then came to Chicago where he pursued his fellowship training in Pulmonary and Critical Care Medicine at Northwestern Memorial Hospital, formal training in clinical epidemiology, and has been on the Northwestern faculty since 2006. 

Contact Information

NMH/Arkes Family Pavilion Suite 1400
676 N Saint Clair
Chicago Illinois 60611



Research Role