131 S Tamarack St,
Ste B
Visalia, CA 93291
Get Directions
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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4.07 mi away
Monday:
6:00 am-3:30 pm
Tuesday:
6:00 am-3:30 pm
Wednesday:
6:00 am-3:30 pm
Thursday:
6:00 am-3:30 pm
Friday:
6:00 am-3:30 pm
Saturday:
Closed
Sunday:
Closed
6.43 mi away
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 - Tulare North Blackstone
919 N Blackstone St,
Tulare, CA 93274
Get Directions11.59 mi away
Monday:
6:30 am-3:00 pm
Tuesday:
6:30 am-3:00 pm
Wednesday:
6:30 am-3:00 pm
Thursday:
6:30 am-3:00 pm
Friday:
6:30 am-3:00 pm
Saturday:
7:00 am-12:00 pm
Sunday:
Closed
Quest Diagnostics - Reedley North Reed Avenue
789 N Reed Ave,
Reedley, CA 93654
Get Directions15.72 mi away
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 - Hanford Mall Dr
325 Mall Dr,
Hanford, CA 93230
Get Directions16.3 mi away
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
17.46 mi away
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
24.67 mi away
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 Herndon
2187 Herndon Ave,
Clovis, CA 93611
Get Directions35.22 mi away
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 - Inside Clovis Vons Store - Employer Drug Testing Not Offered
1650 Herndon Ave,
Clovis, CA 93611
Get Directions35.27 mi away
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
35.28 mi away
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 West Herndon Avenue - Employer Drug Testing Not Offered
275 W Herndon Ave,
Clovis, CA 93612
Get Directions36.22 mi away
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
36.87 mi away
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
37.08 mi away
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
37.57 mi away
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 W Shaw Avenue
3741 W Shaw Ave,
Fresno, CA 93711
Get Directions39.08 mi away
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
39.23 mi away
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
39.55 mi away
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 - Kerman South Madera
177 S Madera Ave,
Kerman, CA 93630
Get Directions43.78 mi away
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
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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.