Quest Diagnostics

Lab Testing at Thumbs Up/Premier Uc San Marcos

Quest partner location in San Marcos, TX 78666.

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 512-648-6188 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

1509 N Interstate 35
San Marcos, TX 78666
Hays County

512-648-6188

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

Physical Therapy & Rehab Concepts, Pc
915 Highway 80, San Marcos, TX 78666
0.8 mi
Any Lab Test Now - San Marcos
1941 South I-35 Ste 133, San Marcos, TX 78666
3.4 mi
Carenow - San Marcos Wonder World Dr
155 Wonder World Dr, San Marcos, TX 78666
3.5 mi
Carenow - Kyle
135 Bunton Creek Rd Ste 100, Kyle, TX 78640
8.6 mi
LabCorp Kyle
5781 Kyle Pkwy, Kyle, TX 78640
8.8 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.