Sean B. Smith, MD

Dr. Keith P. Leitzen is a highly-rated otolaryngologist based in Lake Forest, IL, specializing in both adult and pediatric care. With a focus on auditory implants, complex sinonasal and endoscopic skull base surgery, and more, he is dedicated to providing thorough and compassionate medical care to his patients. As a Clinical Assistant Professor at the Feinberg School of Medicine and a member of the Northwestern Medicine Physician Network, Dr. Leitzen is committed to advancing patient health and wellness. His practice is known for its patient-centered approach, with numerous positive reviews highlighting his attentiveness and effective treatment plans. Generated from the website

Dr. Ria Dirghayu Desai is a highly-rated ophthalmologist specializing in medical retina at Northwestern Medical Group in Lake Forest, IL. Known for her thoroughness and caring approach, she provides comprehensive services for various retinal conditions, including ARMD diagnosis, diabetic retinopathy treatment, and more. With a focus on patient comfort and clear communication, Dr. Desai prioritizes individualized care, ensuring patients fully understand their diagnosis and treatment plans. Her impressive qualifications, including a fellowship at the McGaw Medical Center of Northwestern University and board certification by the American Board of Ophthalmology, enhance her reputation as a trusted medical professional. 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.