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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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Quest Diagnostics - Fresno North Maple Avenue

7075 N. Maple Ave,

Ste 104

Fresno, CA 93720

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1.99 mi away

Schedule Appointment 559-299-5074
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: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Fresno North Recreation Avenue - Employer Drug Testing Not Offered

7050 North Recreation Avenue,

Suite 104

Fresno, CA 93720

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2.2 mi away

Schedule Appointment 559-299-4865
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
Quest Diagnostics - Fresno North Fresno Street - Employer Drug Testing Not Offered

6307 N Fresno Street,

Suite 101

Fresno, CA 93710

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2.63 mi away

Schedule Appointment 559-417-8086
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fresno North Palm Avenue - Employer Drug Testing Not Offered

7355 N Palm Ave,

Ste 106

Fresno, CA 93711

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2.83 mi away

Schedule Appointment 559-650-9000
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Clovis West Herndon Avenue - Employer Drug Testing Not Offered

275 W Herndon Ave,

Clovis, CA 93612

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3.11 mi away

Schedule Appointment 559-325-5567
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: Closed
Sunday: Closed
Quest Diagnostics - Fresno N West Avenue - Employer Drug Testing Not Offered

7035 N West Avenue,

Suite 107

Fresno, CA 93711

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3.85 mi away

Schedule Appointment 559-431-4382
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Clovis Vons Store - Employer Drug Testing Not Offered

1650 Herndon Ave,

Clovis, CA 93611

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4.6 mi away

Schedule Appointment 559-299-3157
Monday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Tuesday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Wednesday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Thursday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Friday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fresno North 1st Street - Employer Drug Testing Not Offered

4182 N 1St St,

Ste 103

Fresno, CA 93726

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4.89 mi away

Schedule Appointment 559-230-0992
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Clovis Herndon

2187 Herndon Ave,

Clovis, CA 93611

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4.98 mi away

Schedule Appointment 559-207-4212
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fresno W Shaw Avenue

3741 W Shaw Ave,

Fresno, CA 93711

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6.45 mi away

Schedule Appointment 559-276-5648
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Sanger Jensen

2675 Jensen,

Ste B

Sanger, CA 93657

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14.76 mi away

Schedule Appointment 559-203-2584
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Madera East Almond Avenue

363 East Almond Avenue,

Suite 107

Madera, CA 93637

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16.34 mi away

Schedule Appointment 559-662-8993
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Kerman South Madera

177 S Madera Ave,

Kerman, CA 93630

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18.11 mi away

Schedule Appointment 559-240-9079
Monday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Tuesday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Wednesday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Thursday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Friday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Selma Dockery Ave

2256 Dockery Ave,

Ste B

Selma, CA 93662

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22.32 mi away

Schedule Appointment 559-891-1358
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Reedley North Reed Avenue

789 N Reed Ave,

Reedley, CA 93654

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24.21 mi away

Schedule Appointment 559-637-9530
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 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.