John Brennan, MD
Dr. John Brennan is a Pulmonologist in Exeter, New Hampshire. Dr. Brennan is board certified in Internal Medicine, Critical Care Medicine and Pulmonary Medicine. His clinical interests include multidisciplinary lung cancer care, endobronchial ultrasound, navigational bronchoscopy, pulmonary nodules, general pulmonology and critical care.
Dr. Brennan has been recognized as a Top Doctor in Pulmonology by NH Magazine 2017, 2018 & 2019.