Cornerstone Medical Group 351 Delnor Dr, Geneva, IL60134 Cornerstone Medical Group is a family practice servicing patients in Geneva and the surrounding areas. The twenty…More doctors on staff specialize in general family care, including vaccinations and geriatric care. It also performs a suite of testing services, including MRIs and radiation screenings. The clinic has two offices in Wheaton. Call the number provided for more information or to make an appointment.