Quest Diagnostics

Lab Testing at Quest Diagnostics - Northwest - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in San Antonio, TX 78249.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

9234 N Loop 1604 W Ste 109
San Antonio, TX 78249
Bexar County

210-647-5666

Hours

Monday	7:30 AM – 4:30 PM
Tuesday	7:30 AM – 4:30 PM
Wednesday	7:30 AM – 4:30 PM
Thursday	7:30 AM – 4:30 PM
Friday	7:30 AM – 4:30 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Carenow - Bandera Rd
9234 N Loop 1604 W Ste 110, San Antonio, TX 78249
0.1 mi
Carenow - De Zavala
12840 Ih-10w Ste 101, San Antonio, TX 78249
4.3 mi
LabCorp San Antonio
9618 Huebner Rd Ste 214, San Antonio, TX 78240
4.6 mi
Nextcare Uc - Culebra
11282 Culebra Rd, San Antonio, TX 78253
5 mi
Next Level Uc - South Rim
5311 N Loop 1604 W Ste 103, San Antonio, TX 78249
5.2 mi

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.