Quest Diagnostics
Lab Testing at Alliance Screening & Occ Svcs
Quest partner location in Marion, IL 62959.
Partner Location
This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 618-969-9384 before visiting to confirm they accept your lab order.
Order Lab Tests Online
Browse All TestsNote: tests available at this location depend on its services. Confirm by calling before visiting.
Address
714 N Carbon St Ste 6Marion, IL 62959
Williamson County
Hours
| Monday | 8:00 AM – 3:00 PM |
| Tuesday | 8:00 AM – 3:00 PM |
| Wednesday | 8:00 AM – 3:00 PM |
| Thursday | 8:00 AM – 3:00 PM |
| Friday | 8:00 AM – 3:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- Quest Diagnostics - Marion Healthcare3003 CIVic Circle Blvd, Marion, IL 629591.9 mi
- Integrated Health - Employer Drug Testing Not Offered303 S Commercial St Ste 10, Harrisburg, IL 6294622.6 mi
- Perry County Health Department - 3rd Party Draw Site907 S Main St, Pinckneyville, IL 6227433.2 mi
- Quest Diagnostics - Mount Vernon Il4 Cusumano Professional Plaza Dr Suite B, Mount Vernon, IL 6286439.6 mi
- Ssm Health Express Clinic Mt Vernon602 S 42nd St, Mount Vernon, IL 6286439.7 mi
More lab options around Marion
About this location
Quest partner location. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.
Listing last updated 2026-04-25.