Ways you can help

Hours and location

  • Monday:
    11 a.m. – 7 p.m.
  • Tuesday through Friday:
    7 a.m. – 2 p.m.
  • Saturday, Sunday:
  • Walk-ins Welcome

OneBlood at Mayo Clinic is located on the Mayo Clinic campus at 4500 San Pablo Road on the first floor of the Cannaday Building in room 1090 near the east entrance. Donors park for free in the Davis Building parking garage.

Contact us

To schedule a donation, you may call 904-953-6516. A whole blood donation takes about 45-60 minutes.

Did you know?

You can donate blood every 56 days.

Each whole blood donation can help as many as three people.

More facts and frequently asked questions.