Dr. Roman W Mandzij specializes in internal medicine in Winnetka area. Dr. Roman W Mandzij, DO has a medical practice at 525 Winnetka Avenue, Winnetka IL, and has over 23 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1994. He is affiliated with numerous hospitals, including Evanston Hospital (IL) and more. Dr. Mandzij is accepting new patients at his medical office and practice location in Winnetka, Illinois. He is available for appointments, preventative care, medical care as well as ongoing patient care.