Dr. Varun Halani is a pulmonary disease specialist who provides comprehensive treatment for patients ages 18 and older. His medical services include the evaluation, diagnosis, and treatment of lung and respiratory disorders, including asthma, chronic obstructive pulmonary disease (COPD), interstitial lung disease, lung cancer, and pulmonary infections. He also specializes in sleep disorders such as obstructive and central sleep apneas, hypersomnia, insomnia, parasomnia, and restless leg syndrome.

Dr. Halani's mission is to provide the best and most appropriate care for his patients to help them better manage their pulmonary and sleep disorders. His patients appreciate how compassionate, kind, and respectful he is, taking the time to explain a diagnosis, test results, and treatment recommendations, while addressing any questions or concerns.

Dr. Halani is an assistant professor with the Division of Pulmonary - Critical Care & Sleep Medicine in the Department of Internal Medicine at Saint Louis University School of Medicine.