Dr. Widjaja is a licensed Internal Medicine in IL. Graduated in 1995. Medical degree obtained from University of Melbourne Medical School, Australia. Completed residency training at Royal Stoke University Hospital, 2002 and fellowship training at Hospital for Sick Children, 2007. Currently practices at Northwestern Medicine (Northwestern Medicine), located at 300 Randall Rd, Geneva, IL 60134. Dr. Widjaja specializes in Pediatric epilepsy imaging.. In addition to English, Dr. Widjaja speaks Mandarin.