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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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COMP Stockton (Preferred)

1530 E Hammer Ln,

Stockton, CA 95210

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0.81 mi away

209-954-3220
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
DOT Lab Services (Preferred)

1503 Saint Marks Plz,

Ste D3

Stockton, CA 95207

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3.28 mi away

209-645-7900
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: 9:00 am-12:00 pm
Sunday: Closed
Trinity UC Occ-Stockton (Preferred)

10200 Trinity Pkwy,

Ste 202

Stockton, CA 95219

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4.09 mi away

209-955-1229
Monday: 11:00 am-1:00 pm
Tuesday: 11:00 am-1:00 pm
Wednesday: 11:00 am-1:00 pm
Thursday: 11:00 am-1:00 pm
Friday: 11:00 am-1:00 pm
Saturday: Closed
Sunday: Closed
San Joaquin Lab Services (Preferred)

130 N Wilson Way,

Stockton, CA 95205

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5.3 mi away

209-703-5003
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
Intercept Inc - Stockton (Preferred)

225 E Channel St,

Ste A

Stockton, CA 95202

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5.31 mi away

209-337-3100
Monday: 8:00 am-3:00 pm
Tuesday: 8:00 am-3:00 pm
Wednesday: 8:00 am-3:00 pm
Thursday: 8:00 am-3:00 pm
Friday: 8:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Adventist Hlth Lodi Mem - Occ Hlth (Preferred)

800 S Lower Sacramento Rd,

Lodi, CA 95242

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6.38 mi away

209-339-7441
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: 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. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.