Jason A. Pe, MD

Northwestern Medicine is proud to have five hospitals ranked among “America’s Best,” including Northwestern Memorial Hospital, the only Illinois hospital to be ranked No. 1 for 14 straight years, by U.S. News & World Report, 2025 – 2026. We are leading the quest for better care in the Chicago area and beyond. With more than 200 locations across Chicagoland, better care and better treatments are never far from home. To learn more, visit our website.

Welcome to Pulmonary Critical Care & Sleep Medicine. We're located in Barrington, IL and we're proud to offer exceptional care to the people in the community. We offer our services to patients who suffer from illnesses that affect the lungs and breathing, as well as debilitating sleep disorders. Our doctors hope that our center will become a place that you can rely on for years to come. Our physicians are experts in a variety of pulmonary and sleep concerns. We offer diagnosis and treatment of the following: Lung cancer Respiratory muscle disorders Asthma Adult cystic fibrosis Pulmonary hypertension Chronic respiratory failure And many moreOur quality care is provided in a comfortable and compassionate environment. We offer complete radiology services, as well as a pulmonary function testing lab on-site. Our staff works hard to make our center as convenient and efficient as possible. We're always welcoming new patients so stop by Pulmonary Critical Care & Sleep Medicine today. Give us a call to schedule an appointment or visit our website for more information.

At Oak Brook Allergists, we're dedicated to providing complete allergy and asthma healthcare for patients of all ages. We offer a wide range of diagnostic testing and treatments, including oral immunotherapy.