Quest Diagnostics

Lab Testing at Piedmont Uc - East Cobb

Hospital outpatient lab in Marietta, GA 30062.

Hospital Outpatient Lab

This is a hospital outpatient lab. Most hospital outpatient labs accept walk-in third-party lab orders, but some require a physician referral or appointment. Calling ahead is recommended.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

3120 Johnson Ferry Rd
Marietta, GA 30062
Cobb County

770-835-4741

Hours

Monday	8:00 AM – 8:00 PM
Tuesday	8:00 AM – 8:00 PM
Wednesday	8:00 AM – 8:00 PM
Thursday	8:00 AM – 8:00 PM
Friday	8:00 AM – 8:00 PM
Saturday	8:00 AM – 8:00 PM
Sunday	8:00 AM – 5:00 PM

Nearby alternatives

LabCorp Marietta
2464 Roswell Rd, Marietta, GA 30062
4.6 mi
Arcpoint Labs Of Roswell
11230 Alpharetta Hwy Ste 116, Roswell, GA 30076
5.8 mi
Piedmont Uc - Sandy Springs
6660 Roswell Rd, Sandy Springs, GA 30328
6.5 mi
LabCorp Atlanta
5511 Chamblee Dunwoody Rd, Atlanta, GA 30338
7.2 mi
Fastest Labs Of Alpharetta
11800 Northfall Ln Ste 1405, Alpharetta, GA 30009
7.4 mi

About this location

Hospital outpatient lab. 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.