Hello @packgb19! Yes, the quickest and easiest way to check your appointments, and communicate with your providers is by signing up for patient online services and by downloading The Mayo Clinic app on your smart phone. You can signup by following the instructions below;
https://onlineservices.mayoclinic.org/content/staticpatient/showpage/patientonline
Otherwise you can call 507-538-3879 or 877-858-0398 for assistance.

Have great weekend!