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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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ProActive Work Los Angeles (Preferred)

132 S Beaudry Ave,

Los Angeles, CA 90012

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0.4 mi away

213-977-9300
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
Akeso Occ Health - Los Angeles (Preferred)

1400 S Grand Ave,

Ste 703

Los Angeles, CA 90015

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1.23 mi away

323-408-8532
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

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3.83 mi away

323-584-0779
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Crossroads Drug & Alc - Los Angeles (Preferred)

3412 N Eastern Ave,

Los Angeles, CA 90032

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4.66 mi away

323-352-3050
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
Test On Time, Inc. (Preferred)

1253 Vine St,

Ste 19A

Los Angeles, CA 90038

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4.81 mi away

213-522-3950
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
Ross Health Care (Preferred)

2476 S Atlantic Blvd,

Commerce, CA 90040

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5.71 mi away

323-780-1650
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
Fastest Labs of Glendale (Preferred)

710 W Broadway,

Glendale, CA 91204

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6.56 mi away

747-528-0796
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
ExamOne-Glendale (Preferred)

230 N Maryland Ave,

Ste 107

Glendale, CA 91206

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6.69 mi away

818-246-5500
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
ARCpoint Labs of West Los Angeles (Preferred)

2320 S Robertson Blvd,

Ste 201

Los Angeles, CA 90034

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7.11 mi away

310-862-4333
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
Akeso Occ Health - Commerce (Preferred)

6538 Telegraph Rd,

Commerce, CA 90040

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7.39 mi away

323-726-3212
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Vincent V. Tran Chiropractic Corporation (Preferred)

940 E MAIN ST,

STE A

Alhambra, CA 91801

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7.96 mi away

626-289-9957
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
New Era Drug Testing LLC (Preferred)

801 S Glenoaks Blvd,

Burbank, CA 91502

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8.98 mi away

818-956-0801
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
Anzavista Drug & Alcohol Testing (Preferred)

8726 S Sepulveda Blvd,

Ste E

Los Angeles, CA 90045

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9.94 mi away

310-348-1314
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
Bayside Medical Clinic (Preferred)

2301 W El Segundo Blvd,

Hawthorne, CA 90250

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9.99 mi away

323-757-2118
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: Closed
Sunday: Closed
CM & Associates Inc (Preferred)

8800 South Sepulveda Blvd, Suite 8,

Westchester, CA 90045

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9.99 mi away

310-417-9002
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

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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.