Peter C. Gay MD, MS

Peter C. Gay, MD, is a distinguished pulmonologist, sleep medicine specialist, and physician-scientist at Mayo Clinic in Rochester, Minnesota, where he serves as Professor of Medicine and Consultant in the Division of Pulmonary and Critical Care Medicine. Internationally recognized for his expertise in sleep-disordered breathing, respiratory failure, and noninvasive ventilatory support, Dr. Gay has been a pioneer in advancing the care of patients with complex pulmonary and sleep-related disorders.

Dr. Gay earned his medical degree from the University of Manitoba Faculty of Medicine in Canada. He completed residency training in Internal Medicine and fellowship training in Pulmonary Diseases and Critical Care Medicine at Mayo Clinic, where he subsequently joined the faculty. Over the course of his career, he has developed extensive expertise in respiratory physiology, mechanical ventilation, and sleep medicine, becoming a leading authority in these fields.

His clinical interests include obstructive sleep apnea, central sleep apnea, obesity hypoventilation syndrome, chronic respiratory failure, neuromuscular respiratory disorders, and the use of noninvasive ventilation technologies. Dr. Gay is particularly known for his work in the development and optimization of bilevel positive airway pressure (BiPAP) and other ventilatory support strategies that have improved outcomes and quality of life for patients with chronic respiratory insufficiency.