St John’s Mercy Medical Center
Main Lobby, Room B-1677
615 S. New Ballas Rd
St Louis, MO 63141
Phone: 314-251-4483
Toll Free Number: 1-866-37DONOR (1-866-373-6667)
Hours of Operation:
Mon, Wed, Thu: 8:15 a.m. – 7:30 p.m.
Tue: 5:30 a.m. – 7:30 p.m.
Fri: 8:15 a.m. – 4:30 p.m.

St John’s Mercy Doctor’s Building
Suite 100
851 E. Fifth Street
Washington, MO 63090
Phone: 636-239-8751
Toll Free Number: 1-866-37DONOR (1-866-373-6667)
Hours of Operation:
Mon: 8 a.m. – 5:30 p.m.
Thu: 7 a.m. – 5:30 p.m.

Your time is valuable. To minimize waiting time, please call and make an appointment.

If you come without an appointment, please:

• Know that we will do our best to serve you as quickly as we can
• Be at our collection site at least:
  • 1 hour prior to closing time for blood donation
  • 2 hours prior to closing time for platelet donation.