Quest Diagnostics
Main:
(618) 343-5735
Fax: (618) 244-6588
Fax: (618) 244-6588
4 Cusumano Professional Plaza Dr, Suite B, Mount Vernon, Illinois, 62864
Business hours
| Monday | 7:00am to 12:00pm , 1:00pm to 4:00pm |
| Tuesday | 7:00am to 12:00pm , 1:00pm to 4:00pm |
| Wednesday | 7:00am to 12:00pm , 1:00pm to 4:00pm |
| Thursday | 7:00am to 12:00pm , 1:00pm to 4:00pm |
| Friday | 7:00am to 12:00pm |
| Saturday | - |
| Sunday | - |
About us
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.