Quest Diagnostics

Lab Testing at Dot Medical Drug Testing Svcs

Drug testing partner location in Dallas, TX 75227.

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 945-224-0050 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

4801 S Buckner Blvd Ste 500
Dallas, TX 75227
Dallas County

945-224-0050

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

Test First
6300 Samuell Blvd Ste 115, Dallas, TX 75228
1.4 mi
LabCorp Dallas
2301 Lakeland Dr, Dallas, TX 75228
2.6 mi
Quest Diagnostics - Mesquite
3230 I- 30 East Suite 101, Mesquite, TX 75150
3.2 mi
LabCorp Mesquite
3220 Gus Thomasson Rd Suite 226, Mesquite, TX 75150
3.5 mi
Carenow - Casa Linda
9540 Garland Rd Ste C408, Dallas, TX 75218
4.1 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.