Laboratories in MOUNT VERNON, Illinois (IL) - Page: 1 Quest Diagnostics - Mt. Vernon (QD-01303)1009 S 42nd St Ste 6, Mount Vernon, IL 62864More Info LabCorp Patient Service Center (LabCorp-10775)4114 N WATER TOWER PL STE D MOUNT VERNON IL 62864More InfoAdditional Pages: 1 |