LabCorp

Lab Testing at LabCorp San Marcos

LabCorp Patient Service Center in San Marcos, CA 92078.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

1595 Grand Ave Ste 109
San Marcos, CA 92078
San Diego County

760-736-9387

Hours

Monday	8:00 AM – 4:00 PM
Tuesday	8:00 AM – 4:00 PM
Wednesday	8:00 AM – 4:00 PM
Thursday	8:00 AM – 4:00 PM
Friday	8:00 AM – 4:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Quest Diagnostics - Vista Sycamore - Employer Drug Testing Not Offered
902 Sycamore Ave Ste 201, Vista, CA 92081
1.6 mi
Drug Testing Network, Inc
969 S Santa Fe Ave Ste D, Vista, CA 92083
3.8 mi
LabCorp Vista
2067 West Vista Way Suite 275, Vista, CA 92083
4.7 mi
LabCorp Escondido
1955 Citracado Pkwy Ste 103, Escondido, CA 92029
5.1 mi
LabCorp Oceanside
3923 Waring Rd Suite C, Oceanside, CA 92056
6.2 mi

About this location

LabCorp Patient Service Center. LabCorp is one of the largest clinical laboratory networks in the United States, offering diagnostic testing services for patients, physicians, hospitals, and employers.

Listing last updated 2026-05-19.