Quest Diagnostics

Lab Testing at Crossroads Drug Testing

Drug testing partner location in Duarte, CA 91010.

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 626-531-6335 before visiting to confirm they accept your lab order.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

1755 Huntington Dr Ste 102
Duarte, CA 91010
Los Angeles County

626-531-6335

Hours

Monday	8:00 AM – 5:00 PM
Tuesday	8:00 AM – 5:00 PM
Wednesday	8:00 AM – 5:00 PM
Thursday	8:00 AM – 5:00 PM
Friday	8:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Arcadia
301 W Huntington Dr Ste 317, Arcadia, CA 91007
4.3 mi
LabCorp Arcadia
622 W Duarte Rd Ste 303, Arcadia, CA 91007
4.9 mi
Quest Diagnostics - Arcadia West Duarte - Employer Drug Testing Not Offered
612 W Duarte Rd Ste 104, Arcadia, CA 91007
5 mi
Quest Diagnostics - West Covina - California Ave
553 S California Ave Ste A, West Covina, CA 91790
5.4 mi
LabCorp Glendora
210 S Grand Ave Ste 324, Glendora, CA 91741
5.4 mi

About this location

Drug testing 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.