Dr. Andrew George Keenan, MD

Dr. Andrew Keenan is a pulmonologist who earned his medical degree from the Medical College of Wisconsin and completed his residency at the University of Minnesota Health Care System. With 18 years of experience treating lung and respiratory conditions, he brings extensive expertise to patient care. Dr. Keenan speaks English and focuses on helping patients manage complex breathing disorders.

Dr. Keenan practices at Essentia Health locations in Duluth and International Falls, Minnesota. He specializes in treating chronic obstructive pulmonary disease (COPD) and other chronic lung diseases, particularly when patients have multiple health conditions. His clinical expertise includes pulmonary function testing to assess breathing capacity and bronchodilator reversibility testing to evaluate treatment responses.