Quest Diagnostics
Lab Testing at Mercy Occ Health - St. Peters
Occupational/employer health partner in Saint Peters, MO 63376.
Occupational Health Site
This is primarily an occupational or employer health location. Access for consumer DTC lab orders may be restricted to workers' compensation or employer-sponsored testing. Please call 636-317-4800 before visiting to confirm they accept your order.
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Address
107 Piper Hill DrSaint Peters, MO 63376
St. Charles County
Hours
| Monday | 8:00 AM – 4:30 PM |
| Tuesday | 8:00 AM – 4:30 PM |
| Wednesday | 8:00 AM – 4:30 PM |
| Thursday | 8:00 AM – 4:30 PM |
| Friday | 8:00 AM – 4:30 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- LabCorp Saint Peters205 First Executive Ave, Saint Peters, MO 633760.2 mi
- Quest Diagnostics - St Peters4101 Mexico Rd Ste E, Saint Peters, MO 633760.8 mi
- LabCorp Saint Charles1475 Kisker Rd Ste 140, Saint Charles, MO 633044 mi
- LabCorp Saint Charles711 Veterans Memorial Pkwy 103, Saint Charles, MO 633035.1 mi
- Quest Diagnostics - O'fallon3449 Pheasant Meadow Dr Ste 101, O Fallon, MO 633686.8 mi
About this location
Occupational/employer health partner. 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.