Michael J. Keller, MD

Dr. Michael Keller is a pulmonologist who earned his medical degree from the University of Iowa Carver College of Medicine. He completed his residency at McGaw Medical Center of Northwestern University in 2009, followed by a fellowship in the same institution in 2013. With 20 years of experience treating patients with lung and breathing conditions, Dr. Keller communicates with patients in English, Russian, and Spanish.

Dr. Keller is affiliated with Ascension Saint Alexius and practices at Northwestern Medical Group locations in Lake Forest and Grayslake, Illinois. He specializes in treating asthma and chronic obstructive pulmonary disease (COPD), helping patients manage these common respiratory conditions. His expertise also includes treating chronic thromboembolic pulmonary hypertension, a serious condition affecting blood flow in the lungs. Dr. Keller performs pulmonary function testing and bronchodilator reversibility testing to evaluate lung function, as well as asthma challenge …tests to diagnose breathing problems. Patients rate him 3.0 out of 5 stars on average.