Quest Diagnostics

Lab Testing at Quest Diagnostics - Glendora South Grand Avenue - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Glendora, CA 91741.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

210 S Grand Ave Ste 124
Glendora, CA 91741
Los Angeles County

626-250-1614

Hours

Monday	6:30 AM – 3:30 PM
Tuesday	6:30 AM – 3:30 PM
Wednesday	6:30 AM – 3:30 PM
Thursday	6:30 AM – 3:30 PM
Friday	6:30 AM – 3:30 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Glendora
210 S Grand Ave Ste 324, Glendora, CA 91741
0 mi
Quest Diagnostics - Covina East San Bernardino Road
554 E San Bernardino Rd Ste 103, Covina, CA 91723
3 mi
Quest Diagnostics - San Dimas West Covina Boulevard - Employer Drug Testing Not Offered
1330 W Covina Blvd Ste 205, San Dimas, CA 91773
3.3 mi
LabCorp San Dimas
1335 Cypress St Ste 101, San Dimas, CA 91773
3.4 mi
LabCorp Covina
420 W Rowland St, Covina, CA 91723
4.1 mi

More lab options around Glendora

All Glendora lab locationsCompare draw centers in Glendora, CA.LabCorp Glendora210 S Grand Ave Ste 324, Glendora, CA 91741

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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.