Quest Diagnostics

Lab Testing at Fastest Labs Of West Phoenix

Quest partner location in Tolleson, AZ 85353.

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 623-666-9888 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

8343 W Van Buren St Bldg B-2
Tolleson, AZ 85353
Maricopa County

623-666-9888

Hours

Monday	9:00 AM – 5:00 PM
Tuesday	9:00 AM – 5:00 PM
Wednesday	9:00 AM – 5:00 PM
Thursday	9:00 AM – 5:00 PM
Friday	9:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

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Sonora Quest Laboratories - Avondale - Employer Drug Testing Not Offered
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3.1 mi
Sonora Quest Laboratories - Glendale - Westgate - Employer Drug Testing Not Offered
9980 W Glendale Ave Suite 120, Glendale, AZ 85307
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Azc Drug Testing - Avondale
303 W Van Buren St Ste 101, Avondale, AZ 85323
6.4 mi
Sonora Quest Laboratories - Goodyear - Litchfield & Mcdowell - Employer Drug Testing Not Offered
13657 W Mcdowell Rd Ste 100, Goodyear, AZ 85395
6.6 mi

About this location

Quest 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.