Quest Diagnostics
Main:
(909) 981-5941
Fax: (909) 981-7037
Fax: (909) 981-7037
573 N Mountain Ave, Upland, California, 91786
Business hours
| Monday | 8:00am to 4:00pm |
| Tuesday | 8:00am to 4:00pm |
| Wednesday | 8:00am to 4:00pm |
| Thursday | 8:00am to 4:00pm |
| Friday | 8:00am to 4:00pm |
| 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.