15211 Vanowen St,
Ste 105
Van Nuys, CA 91405
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.
Looking for a facility or operation that is not a lab testing location?
US Facilities & Operations International Facilities & Operations
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1.39 mi away
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-2:00 pm
Sunday:
9:00 am-2:00 pm
1.57 mi away
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
ProActive Work Chatsworth (Preferred)
9421 Winnetka Ave,
Chatsworth, CA 91311
Get Directions5.3 mi away
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
6.63 mi away
Monday:
9:30 am-4:00 pm
Tuesday:
9:30 am-4:00 pm
Wednesday:
9:30 am-4:00 pm
Thursday:
9:30 am-4:00 pm
Friday:
9:30 am-4:00 pm
Saturday:
Closed
Sunday:
Closed
New Era Drug Testing LLC (Preferred)
801 S Glenoaks Blvd,
Burbank, CA 91502
Get Directions10.19 mi away
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
11.22 mi away
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:
9:00 am-12:30 pm
Sunday:
Closed
12.17 mi away
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
Fastest Labs of Glendale (Preferred)
710 W Broadway,
Glendale, CA 91204
Get Directions12.18 mi away
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-6:00 pm
Saturday:
9:00 am-6:00 pm
Sunday:
Closed
DeLure Diagnostics (Preferred)
22940 Lyons Ave,
Newhall, CA 91321
Get Directions12.77 mi away
Monday:
24 hrs
Tuesday:
24 hrs
Wednesday:
24 hrs
Thursday:
24 hrs
Friday:
24 hrs
Saturday:
24 hrs
Sunday:
Closed
12.98 mi away
Monday:
8:00 am-12:00 pm , 1:00 pm-2:00 pm
Tuesday:
8:00 am-12:00 pm , 1:00 pm-2:00 pm
Wednesday:
8:00 am-12:00 pm , 1:00 pm-2:00 pm
Thursday:
8:00 am-12:00 pm , 1:00 pm-2:00 pm
Friday:
8:00 am-12:00 pm , 1:00 pm-2:00 pm
Saturday:
Closed
Sunday:
Closed
14.44 mi away
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:
8:00 am-2:00 pm
Sunday:
8:00 am-2:00 pm
AFC Urgent Care - Santa Clarita (Preferred)
19042 Soledad Canyon Rd,
Santa Clarita, CA 91351
Get Directions15.07 mi away
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:
8:00 am-3:00 pm
Sunday:
8:00 am-3:00 pm
ProActive Work Los Angeles (Preferred)
132 S Beaudry Ave,
Los Angeles, CA 90012
Get Directions15.78 mi away
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
16.31 mi away
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
16.93 mi away
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:
8:00 am-3:00 pm
Sunday:
8:00 am-3:00 pm
17.31 mi away
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-6:00 pm
Saturday:
10:00 am-4:00 pm
Sunday:
Closed
CM & Associates Inc (Preferred)
8800 South Sepulveda Blvd, Suite 8,
Westchester, CA 90045
Get Directions17.36 mi away
Monday:
9:00 am-2:30 pm
Tuesday:
9:00 am-2:30 pm
Wednesday:
9:00 am-2:30 pm
Thursday:
9:00 am-2:30 pm
Friday:
9:00 am-2:30 pm
Saturday:
Closed
Sunday:
Closed
Crossroads Drug & Alc - Los Angeles (Preferred)
3412 N Eastern Ave,
Los Angeles, CA 90032
Get Directions18.28 mi away
Monday:
8:00 am-4:30 pm
Tuesday:
8:00 am-4:30 pm
Wednesday:
8:00 am-4:30 pm
Thursday:
8:00 am-4:30 pm
Friday:
8:00 am-4:30 pm
Saturday:
10:00 am-2:30 pm
Sunday:
Closed
18.73 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
ProActive Work El Segundo (Preferred)
920 N Nash St,
El Segundo, CA 90245
Get Directions19.36 mi away
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
Stacy Medical Center (Preferred)
4580 Pacific Blvd,
Vernon, CA 90058
Get Directions19.52 mi away
Monday:
24 hrs
Tuesday:
24 hrs
Wednesday:
24 hrs
Thursday:
24 hrs
Friday:
24 hrs
Saturday:
24 hrs
Sunday:
24 hrs
20.13 mi away
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
20.46 mi away
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:
Vary
Sunday:
Vary
20.89 mi away
Monday:
9:00 am-12:45 pm , 2:00 pm-12:00 pm
Tuesday:
9:00 am-12:45 pm , 2:00 pm-12:00 pm
Wednesday:
9:00 am-12:45 pm , 2:00 pm-12:00 pm
Thursday:
9:00 am-12:45 pm , 2:00 pm-12:00 pm
Friday:
9:00 am-12:45 pm , 2:00 pm-12:00 pm
Saturday:
Closed
Sunday:
Closed
Bayside Medical Clinic (Preferred)
2301 W El Segundo Blvd,
Hawthorne, CA 90250
Get Directions21.46 mi away
Monday:
24 hrs
Tuesday:
24 hrs
Wednesday:
24 hrs
Thursday:
24 hrs
Friday:
24 hrs
Saturday:
Closed
Sunday:
Closed
Ross Health Care (Preferred)
2476 S Atlantic Blvd,
Commerce, CA 90040
Get Directions21.74 mi away
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:
8:30 am-1:00 pm
Sunday:
Closed
Akeso Occ Health - Commerce (Preferred)
6538 Telegraph Rd,
Commerce, CA 90040
Get Directions23.41 mi away
Monday:
24 hrs
Tuesday:
24 hrs
Wednesday:
24 hrs
Thursday:
24 hrs
Friday:
24 hrs
Saturday:
24 hrs
Sunday:
24 hrs
Fastest Labs of Torrance (Preferred)
18156 Crenshaw Blvd,
Torrance, CA 90504
Get Directions24.52 mi away
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-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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.