Get To Know: Dr. Jason Wittmer, Pulmonologist Provider Spotlight June 25, 2020 Dr. Jason Wittmer is a Pulmonary Intensivist who specializes in treating conditions such as: Pulmonary Nodules/Lung Mass, Mediastinal Adenopathy, Pleural Effusions, Pneumothorax, Unexplained Shortness of Breath, Asthma, COPD, Interstitial Lung Disease, Pulmonary Hypertension, Sleep Apnea, and Chronic Cough. To learn please visit the Broadlawns Pulmonology Clinic page.