Brad Irwin 1012 East Second StreetBuilding A, Level 5Duluth, MN, 55805St. Luke's Gastroenterology Associates View Phone 218-249-7940 1012 East Second Street, Building A, Level 5Duluth, MN 55805St. Luke's Gastroenterology Associates View Website Experience & Reliability About Send to My Email Send to My Phone Print this Page