Advocate Good Shepherd Hospital Phone: 847-842-5500 Fax: 847-842-4376 Email: gshp-roi@aah.org Address: 450 W. Highway 22 Barrington, IL 60010. Advocate Illinois Masonic Medical Center Phone: 773-296-5177 Fax: 773-296-3812 Email: immc-him-roi@aah.org Address: 836 W. Wellington Ave., Room 1506 Chicago, IL 60657.