Call 507-284-4475 to schedule your blood donation appointment today! All the blood that we collect Mayo Clinic Blood Donor Program is used locally and it takes approximately 100 donors a day to meet our community – and a lot of those donors come from blood drives. Blood product does not only help trauma patients, but it is used in everyday patient care – helping premature babies, post-partum mothers, cancer patients, and surgical patients. Every time you donate blood you help save up to 3 lives!