1411 Oliver Road,
Suite 130
Fairfield, CA 94534
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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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3.25 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
5.1 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:
8:00 am-12:00 pm
Sunday:
Closed
Quest Diagnostics - Napa Trancas
673 Trancas St,
Napa, CA 94558
Get Directions14.59 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:
7:30 am-11:30 am
Sunday:
Closed
Quest Diagnostics - Vallejo Hospital Drive - Employer Drug Testing Not Offered
160 Hospital Dr,
Vallejo, CA 94589
Get Directions15.83 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
16.98 mi away
Monday:
8:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday:
8:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday:
8:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday:
8:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday:
8:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday:
Closed
Sunday:
Closed
20.77 mi away
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
22.19 mi away
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
22.94 mi away
Monday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday:
Closed
Sunday:
Closed
23.29 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
23.44 mi away
Monday:
7:30 am-12:00 pm
Tuesday:
7:30 am-12:00 pm
Wednesday:
7:30 am-12:00 pm
Thursday:
7:30 am-12:00 pm
Friday:
7:30 am-12:00 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Sonoma Perkins - Employer Drug Testing Not Offered
386 PERKINS ST,
SONOMA, CA 95476
Get Directions23.8 mi away
Monday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday:
Closed
Sunday:
Closed
24.25 mi away
Monday:
7:30 am-11:30 am , 12:30 pm-3:30 pm
Tuesday:
7:30 am-11:30 am , 12:30 pm-3:30 pm
Wednesday:
7:30 am-11:30 am , 12:30 pm-3:30 pm
Thursday:
7:30 am-11:30 am , 12:30 pm-3:30 pm
Friday:
7:30 am-11:30 am , 12:30 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.