DIABETES . For people who in the United States who have Medtronic: Insulin pump; Continuous glucose monitor; TELEPHONE. 24-Hour Product Technical Support (800) 646-4633 option 1 (Toll free) Ordering Supplies Monday – Friday, 8 am to 6 pm, Central Time (800) 646-4633 option 2 (Toll free) Pump and Continuous Glucose Monitors Sales.