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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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Nova Medical Center - Longview (Preferred)

1111 N 6Th St,

Longview, TX 75601

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11.51 mi away

903-522-4111
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Longview 4th St

1009 N 4Th St,

Suite B

Longview, TX 75601

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11.59 mi away

Schedule Appointment 903-736-3070
Monday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Tuesday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Wednesday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Thursday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Friday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Longview Occ Medicine (Preferred)

3202 4Th St,

Ste 100

Longview, TX 75605

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11.89 mi away

903-757-0577
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
TX Alc & Drug Testing Srv (Preferred)

3417 W Marshall Ave,

Longview, TX 75604

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14.74 mi away

903-297-6270
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
Unlimited Drug Testing LLC (Preferred)

2019A S Henderson Blvd,

Ste 3

Kilgore, TX 75662

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20.89 mi away

903-400-9017
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-12:00 pm
Saturday: Closed
Sunday: Closed
Fast Pace - Shreveport LA (Preferred)

9365 Mansfield Rd,

Shreveport, LA 71118

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38.02 mi away

318-656-4621
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-6:00 pm
Sunday: 1:00 pm-5:00 pm
InjuryMD LLC (Preferred)

1801 Fairfield Ave,

Ste 103

Shreveport, LA 71101

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40.36 mi away

318-751-9100
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
Quest Diagnostics - North Shreveport

820 Jordan,

Suite 102

Shreveport, LA 71101

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40.57 mi away

Schedule Appointment 318-517-9231
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Sagacity Solutions, LLC (Preferred)

2829 Youree Dr,

Ste 7

Shreveport, LA 71104

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41.85 mi away

318-771-7357
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
Any Lab Test Now - Shreveport (Preferred)

5737 Youree Dr,

Shreveport, LA 71105

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42.02 mi away

318-219-4849
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Vary
Sunday: Closed
Quest Diagnostics - Tyler

822 S Fleishel Avenue,

Tyler, TX 75701

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42.56 mi away

Schedule Appointment 903-597-9884
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now - Bossier City (Preferred)

2121 Airline Dr,

Ste 200

Bossier City, LA 71111

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42.72 mi away

318-725-2190
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Nova Medical Center - Tyler (Preferred)

1413 S Beckham Ave,

Tyler, TX 75701

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42.85 mi away

903-705-4233
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
Any Lab Test Now - Tyler (Preferred)

535 W Sw Loop 323,

Ste 206

Tyler, TX 75701

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44.21 mi away

903-650-8570
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
InjuryMD of Bossier (Preferred)

5015 Shed Rd,

Ste 500

Bossier City, LA 71111

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45.42 mi away

318-741-5858
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
Direct RehabMed (Preferred)

3110 Park Center Dr,

Tyler, TX 75701

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45.55 mi away

903-593-9999
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-11:00 am
Saturday: Closed
Sunday: Closed

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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.