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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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E Mediate Cure - Joliet (Preferred)

1508 Essington Rd,

Ste 5

Joliet, IL 60435

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6.09 mi away

815-733-5952
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
EOHS - Bolingbrook (Preferred)

130 N Weber Rd,

Ste 105

Bolingbrook, IL 60440

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8.29 mi away

630-527-7299
Monday: 8:00 am-5:30 pm
Tuesday: 8:00 am-5:30 pm
Wednesday: 8:00 am-5:30 pm
Thursday: 8:00 am-5:30 pm
Friday: 8:00 am-5:30 pm
Saturday: Closed
Sunday: Closed
Premier Occupational Health (Preferred)

550 E Boughton Rd,

Suite 140

Bolingbrook, IL 60440

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8.98 mi away

630-972-0733
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
ARCpoint Labs of Orland Park (Preferred)

11006 W 179Th St,

Orland Park, IL 60467

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9.19 mi away

708-963-1200
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 10:00 am-7:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
E Mediate Cure - Plainfield (Preferred)

11914 S Route 59,

Unit 124

Plainfield, IL 60585

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9.43 mi away

815-733-5952
Monday: 9:00 am-9:00 pm
Tuesday: 9:00 am-9:00 pm
Wednesday: 9:00 am-9:00 pm
Thursday: 9:00 am-9:00 pm
Friday: 9:00 am-9:00 pm
Saturday: Closed
Sunday: Closed
EOHS - Plainfield (Preferred)

24600 W 127Th St,

Plainfield, IL 60585

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9.54 mi away

779-263-3029
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed

Our focus on your safety

Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.

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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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.