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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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AFC Urgent Care - Upper Kirby (Preferred)

2715 Bissonnet St,

Ste 180

Houston, TX 77005

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0.73 mi away

281-607-5000
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
CareNow- River Oaks (Preferred)

1917 W Gray St,

Houston, TX 77019

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1.41 mi away

832-260-0650
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: 8:00 am-6:00 pm
Quest Diagnostics - Binz

1200 Binz St,

Ste 115

Houston, TX 77004

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1.64 mi away

Schedule Appointment 713-527-8058
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: Closed
Sunday: Closed
AFC Urgent Care - Weslayan St (Preferred)

5568 Weslayan St,

Houston, TX 77005

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1.66 mi away

713-666-7050
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
Any Lab Test Now - River Oaks (Preferred)

1005 Waugh Dr,

Ste E

Houston, TX 77019

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1.77 mi away

281-724-4398
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: 10:00 am-2:00 pm
Sunday: Closed
Any Lab Test Now - Houston (Preferred)

2282 W HOLCOMBE BLVD,

HOUSTON, TX 77030

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1.97 mi away

281-888-5293
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: 10:00 am-2:00 pm
Sunday: Closed
CareNow- Midtown (Preferred)

2707 Milam St,

Ste A

Houston, TX 77006

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2.21 mi away

832-632-7135
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: 8:00 am-6:00 pm
AFC Urgent Care - Yale Street (Preferred)

107 Yale St,

Ste 200

Houston, TX 77007

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2.77 mi away

713-861-6060
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: Closed
National Screening Ctr - Houston (Preferred)

407 Fannin St,

Houston, TX 77002

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3.41 mi away

713-226-7847
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
TestFirst Drug & Alc Central Clinic (Preferred)

1005 Ennis St,

Houston, TX 77003

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3.68 mi away

281-781-7674
Monday: 10:00 am-5:00 pm
Tuesday: 10:00 am-5:00 pm
Wednesday: 10:00 am-5:00 pm
Thursday: 10:00 am-5:00 pm
Friday: 10:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now - Galleria (Preferred)

5901 Westheimer Rd,

Ste W

Houston, TX 77057

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3.69 mi away

713-266-7900
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: 9:00 am-1:30 pm
Sunday: Closed
Nova Medical Center - Main St (Preferred)

9563 Main St,

Houston, TX 77025

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3.78 mi away

713-400-3232
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
CareNow- Heights (Preferred)

102 W 11Th St,

Houston, TX 77008

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3.99 mi away

832-539-4707
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: 8:00 am-6:00 pm
Fastest Labs-Galleria (Preferred)

2641 Winrock Blvd,

Ste D

Houston, TX 77057

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4.28 mi away

832-203-5313
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
Quest Diagnostics - Northwest

1919 North Loop W,

Suite 125

Houston, TX 77008

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5.34 mi away

Schedule Appointment 713-861-9642
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
ARCpoint Labs of Houston West (Preferred)

7447 Harwin Dr,

Ste 103

Houston, TX 77036

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5.39 mi away

832-285-3132
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: 9:00 am-1:00 pm
Sunday: Closed
Any Lab Test Now - North Loop (Preferred)

2902 N Shepherd Dr,

Unit E

Houston, TX 77008

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5.45 mi away

281-724-8131
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: 10:00 am-2:00 pm
Sunday: Closed
PremierCare - Houston (Preferred)

5895 S Braeswood Blvd,

Houston, TX 77096

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5.71 mi away

713-777-5200
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
Examine Well, LLC (Preferred)

12401 S Post Oak Rd,

Ste 217

Houston, TX 77045

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6.63 mi away

713-551-8663
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Wednesbury

8200 Wednesbury Lane,

Suite 450

Houston, TX 77074

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6.68 mi away

Schedule Appointment 713-271-3820
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: 8:00 am-12:00 pm
Sunday: Closed
Testing & Co. LLC (Preferred)

8191 Southwest Fwy,

Ste 103

Houston, TX 77074

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6.72 mi away

281-888-2462
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Work Well, PLLC (Preferred)

7117 Lyons Ave,

Houston, TX 77020

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6.87 mi away

713-670-7161
Monday: 8:30 am-3:00 pm
Tuesday: 8:30 am-3:00 pm
Wednesday: 8:30 am-3:00 pm
Thursday: 8:30 am-3:00 pm
Friday: 8:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Any Lab Test Now - Katy Freeway (Preferred)

9742 Katy Fwy,

Ste 200

Houston, TX 77055

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7.23 mi away

281-724-8151
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: 10:00 am-2:00 pm
Sunday: Closed
Quest Diagnostics - Kingsride

12385 Kingsride Avenue,

Houston, TX 77024

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7.62 mi away

Schedule Appointment 713-973-2746
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Nova Medical Center - Houston (Preferred)

11621 A-Katy Fwy,

Houston, TX 77079

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8.13 mi away

832-399-5300
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
G Medics Diagnostics (Preferred)

9800 Centre Pkwy,

Ste 265

Houston, TX 77036

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8.36 mi away

281-888-6632
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
Nova Medical Center - Southwest (Preferred)

9940 W Sam Houston Pkwy S,

Ste 320

Houston, TX 77099

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8.87 mi away

832-300-2626
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 - Royal Oaks (Preferred)

11807 Westheimer Rd,

Ste 560

Houston, TX 77077

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9.06 mi away

281-870-8022
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: 9:00 am-1:30 pm
Sunday: Closed
Fastest Labs of Hobby Airport (Preferred)

8951 Ruthby St,

Ste 12

Houston, TX 77061

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9.34 mi away

832-623-6256
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 - West Houston Medical Center

12121 Richmond Ave,

Suite 124

Houston, TX 77082

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9.46 mi away

Schedule Appointment 281-752-6171
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
CareNow- Memorial (Preferred)

14045 Memorial Dr,

Houston, TX 77079

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9.59 mi away

832-548-4410
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: 8:00 am-6:00 pm

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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.