Quest Diagnostics
Lab Testing at Quest Diagnostics - Covina East San Bernardino Road
Quest Diagnostics Patient Service Center in Covina, CA 91723.
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Address
554 E San Bernardino Rd Ste 103Covina, CA 91723
Los Angeles County
Hours
| Monday | 7:30 AM – 3:00 PM |
| Tuesday | 7:30 AM – 3:00 PM |
| Wednesday | 7:30 AM – 3:00 PM |
| Thursday | 7:30 AM – 3:00 PM |
| Friday | 7:30 AM – 3:00 PM |
| Saturday | 8:00 AM – 12:00 PM |
| Sunday | Closed |
Nearby alternatives
- LabCorp Covina420 W Rowland St, Covina, CA 917231.3 mi
- Quest Diagnostics - San Dimas West Covina Boulevard - Employer Drug Testing Not Offered1330 W Covina Blvd Ste 205, San Dimas, CA 917732.7 mi
- LabCorp San Dimas1335 Cypress St Ste 101, San Dimas, CA 917732.7 mi
- Quest Diagnostics - Glendora South Grand Avenue - Employer Drug Testing Not Offered210 S Grand Ave Ste 124, Glendora, CA 917413 mi
- LabCorp Glendora210 S Grand Ave Ste 324, Glendora, CA 917413 mi
About this location
Quest Diagnostics Patient Service Center. 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.