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Quest Diagnostics

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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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US Facilities & Operations International Facilities & Operations

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Piedmont UC - Acworth (Preferred)

3345 Cobb Pkwy Nw,

Ste 800

Acworth, GA 30101

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1.84 mi away

678-919-7200
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
Fastest Labs of Kennesaw (Preferred)

1350 Wooten Lake Rd Nw,

Ste 201

Kennesaw, GA 30144

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6.81 mi away

770-485-7768
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Marietta

790 Church St NW,

Ste 200

Marietta, GA 30060

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10.21 mi away

Schedule Appointment 770-590-1303
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Prompt Chemical Screening (Preferred)

5745 Wendy Bagwell Pkwy,

Ste 9

Hiram, GA 30141

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11.0 mi away

770-439-6656
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
Nova Medical Center - Marietta (Preferred)

1395 S MARIETTA PKWY SE,

STE 212

MARIETTA, GA 30067

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12.87 mi away

770-615-7900
Monday: 8:30 am-6:00 pm
Tuesday: 8:30 am-6:00 pm
Wednesday: 8:30 am-6:00 pm
Thursday: 8:30 am-6:00 pm
Friday: 8:30 am-6:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Austell

3825 Medical Park Dr,

Ste 101

Austell, GA 30106

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14.05 mi away

Schedule Appointment 678-398-1996
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: 8:00 am-12:00 pm
Sunday: Closed
Grupo Medico de Georgia LLC (Preferred)

2721 S Cobb Dr Se,

Ste A

Smyrna, GA 30080

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14.58 mi away

770-444-9494
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Fastest Labs of Marietta (Preferred)

2152 Northwest Pkwy Se,

Ste K

Marietta, GA 30067

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14.89 mi away

770-485-0987
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Optimal Health Center of Canton (Preferred)

1030 Marietta Rd,

Canton, GA 30114

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16.45 mi away

770-720-8668
Monday: 9:00 am-1:00 pm , 2:00 pm-6:00 pm
Tuesday: 9:00 am-1:00 pm , 2:00 pm-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-1:00 pm , 2:00 pm-6:00 pm
Friday: 9:00 am-1:00 pm , 3:00 pm-6:00 pm
Saturday: 9:00 am-12:00 pm
Sunday: Closed
USA Mobile Drug Testing of Atlanta (Preferred)

1870 Veterans Memorial Hwy Sw,

Austell, GA 30168

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16.68 mi away

770-627-4500
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
Grupo Medico de Georgia LLC - Mableton (Preferred)

1060 Veterans Memorial Hwy Sw,

Ste 200

Mabelton, GA 30126

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17.1 mi away

770-662-6903
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 9:00 am-2:00 pm
Sunday: Closed
ACL N Ricardo London (Preferred)

8337 Office Park Dr,

Ste A

Douglasville, GA 30134

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20.15 mi away

770-456-5777
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: Closed
Saturday: Closed
Sunday: Closed
ARCpoint Labs of Roswell (Preferred)

11230 Alpharetta Hwy,

Ste 116

Roswell, GA 30076

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20.49 mi away

770-639-3237
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
D.O.T. Physicals Atlanta LLC (Preferred)

3181 Donald Lee Hollowell Pkwy Nw,

Ste B

Atlanta, GA 30318

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21.53 mi away

678-809-1789
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
Fastest Labs of Alpharetta (Preferred)

11800 Northfall Ln,

Ste 1405

Alpharetta, GA 30009

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21.76 mi away

770-710-0671
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
ONSITE COLLECTIONS ONLY (Preferred)

1780 Northfall La,

Ste 301

Alpharetta, GA 30009

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21.77 mi away

770-754-1095
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
Nova Medical Center - Atlanta - Fulton (Preferred)

4795 FULTON INDUSTRIAL BLVD SW,

STE F

ATLANTA, GA 30336

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21.93 mi away

404-267-5700
Monday: 8:30 am-6:00 pm
Tuesday: 8:30 am-6:00 pm
Wednesday: 8:30 am-6:00 pm
Thursday: 8:30 am-6:00 pm
Friday: 8:30 am-6:00 pm
Saturday: Closed
Sunday: Closed
Sequential Management Group, Inc. (Preferred)

3060 Pharr Ct N,

Ste S

Atlanta, GA 30305

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22.64 mi away

866-563-5557
Monday: 8:30 am-7:00 pm
Tuesday: 8:30 am-7:00 pm
Wednesday: 8:30 am-7:00 pm
Thursday: 8:30 am-7:00 pm
Friday: 8:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Genesis Comp Wellness Screenings (Preferred)

3417 Highway 5,

Ste C-1

Douglasville, GA 30135

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23.04 mi away

470-284-2945
Monday: 9:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 9:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: Closed
Saturday: Closed
Sunday: Closed
Tanner Urgent Care - Villa Rica (Preferred)

101 Mirror Lake Blvd,

Quartz Drive--new Road

Villa Rica, GA 30180

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23.57 mi away

770-949-7500
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-5:00 pm
Sunday: 8:00 am-5:00 pm
ExamOne-Atlanta (Preferred)

3440 Preston Ridge Rd,

Ste 210

Alpharetta, GA 30005

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24.12 mi away

770-754-1095
Monday: 9:00 am-4:30 pm
Tuesday: 9:00 am-4:30 pm
Wednesday: 9:00 am-4:30 pm
Thursday: 9:00 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Northpoint Alpharetta

3055 N Point Pkwy,

Ste 300

Alpharetta, GA 30005

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24.28 mi away

Schedule Appointment 470-367-4762
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Premier Testing & Screening (Preferred)

3915 Cascade Rd Sw,

Ste 130

Atlanta, GA 30331

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24.41 mi away

404-829-1169
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: Closed
Saturday: Closed
Sunday: Closed
Peachtree Occ Med & UC LLC (Preferred)

1000 Northside Drive,

Suite 1400

Atlanta, GA 30318

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24.43 mi away

404-350-4717
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
Fastest Labs NE Atlanta (Preferred)

3678 N Peachtree Rd,

Ste 102

Atlanta, GA 30341

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24.45 mi away

770-680-4438
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed

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Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.