Mark D. Taber, MD

Dr. Olufemi Kassim is a highly rated gastroenterologist affiliated with Northwestern Medicine in Chicago, IL, specializing in conditions such as gastrointestinal disorders, irritable bowel syndrome, and gastroesophageal reflux disease. With a strong educational background, including an MD from Vanderbilt University and fellowships at the University of Chicago, Dr. Kassim is committed to providing exceptional patient care and advancing medical knowledge. As a Clinical Assistant Professor at the Feinberg School of Medicine, Dr. Kassim actively contributes to the academic community while maintaining a focus on patient-centered care. His practice is part of the Northwestern Medical Group, ensuring that patients receive comprehensive and coordinated healthcare services. Generated from the website

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. Sanja Dragovic is a highly rated ophthalmologist affiliated with Northwestern Medical Group, specializing in comprehensive eye care. With a commitment to patient-centered treatment, she is known for her thorough examinations and clear explanations, ensuring her patients feel informed and comfortable throughout their care journey. Fluent in multiple languages, including Bosnian, Croatian, Serbian, and Spanish, Dr. Dragovic is dedicated to providing accessible healthcare to a diverse patient population. Her impressive educational background includes an MD from Northwestern University Feinberg School of Medicine and board certification from the American Board of Ophthalmology. Generated from the website