AMS serves patients and physicians across the globe. Our world headquarters are located in Minnesota. Connect with us today.AMS World Headquarters10700 Bren Road WestMinnetonka, Minnesota 55343USAPhone: 800-328-3881952-930-6000Fax: 952-930-6373Would you like more information about AMS products? Please complete the following form to receive a reply . If the issue is urgent, or if you prefer to talk with someone, please contact our patient liaison at 800-328-3881, extension 6261, Monday through Friday, 9 a.m. - 5 p.m. CDT.