Matthew J. O'Brien, MD

Michael G. Ison, MD, is a distinguished pulmonologist affiliated with Northwestern Medicine in Chicago, IL, known for his expertise in pulmonary disease and critical care medicine. Patients appreciate Dr. Ison's compassionate approach, thorough explanations, and dedication to their well-being, as reflected in his exemplary ratings and patient reviews. With a strong educational background from the Northwestern University Feinberg School of Medicine and extensive training at prestigious institutions, Dr. Ison leads in providing comprehensive care for respiratory conditions. The collaborative team at Northwestern Medicine is committed to delivering high-quality health services, ensuring a positive experience for patients and their families. Generated from the website

Bruce K. Tan, MD is a highly regarded medical professional specializing in Interventional Cardiology and Cardiology. With extensive experience and expertise in angioplasty and stents, cardiac catheterization, coronary artery disease, general cardiology, heart failure with preserved ejection fraction, peripheral vascular disease, and valvular heart disease, Dr. Tan is dedicated to providing exceptional care to his patients. He received his medical education from St. Louis University School of Medicine and completed his residency at Los Angeles County-Harbor-UCLA Medical Center. Dr. Tan is board-certified in Cardiovascular Disease and Interventional Cardiology by the American Board of Internal Medicine. He is affiliated with Northwestern Medicine and is on the medical staff at various hospitals, including Northwestern Memorial Hospital. Patients highly praise Dr. Tan for his compassionate and thorough approach to patient care. He takes the time to answer questions, explains treatment options, and ensures the safety and well-being of his patients. With a 5-star rating and numerous positive reviews, Dr. Tan is known for his knowledge, excellent bedside manner, and dedication to his patients' health. He is committed to providing personalized and comprehensive cardiology services, making him a trusted choice for individuals seeking top-quality cardiac care in the Chicago, IL area.Generated from the website

Northwestern Medicine is proud to have five hospitals ranked among Americas 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.