Northwestern Medicine Gastroenterology Sandwich 1310 North Main StreetSuite 200Sandwich, IL, 60548 View Phone 815-786-3770 Fax: 815-786-3785 TTY: 815-981-7355 1310 North Main Street, Suite 200Sandwich, IL 60548 View Website Experience & Reliability About Connect with this Business: Reservation Send to My Email Send to My Phone Print this Page