Gail M. Osterman, PhD

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.

Dr. Jason Kenneth Hsieh, MD, is a highly rated neurological surgeon affiliated with Northwestern Medicine, specializing in conditions such as brain lesions, epilepsy, and movement disorders. He is an assistant professor at the Feinberg School of Medicine and is committed to advancing patient care through innovative treatments and research collaborations. With a focus on patient-centered care, Dr. Hsieh's practice encompasses various surgical techniques, including stereotactic laser ablation and deep brain stimulation. His dedication to transparency and quality care is reflected in the positive feedback from patients, highlighting his expertise and compassionate approach. Generated from the website