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Quest Diagnostics

Lab Testing at Dot Medical Drug Testing Svcs

Drug testing partner location in Grand Prairie, TX 75050.

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 972-591-5931 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

3435 Roy Orr Blvd Ste 100
Grand Prairie, TX 75050
Dallas County

Hours

Monday8:00 AM – 5:00 PM
Tuesday8:00 AM – 5:00 PM
Wednesday8:00 AM – 5:00 PM
Thursday8:00 AM – 5:00 PM
Friday8:00 AM – 4:00 PM
SaturdayClosed
SundayClosed

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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.