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Holiday schedule

Quest Diagnostics Patient Service Centers will have modified hours during the holiday season.

  • Closing early at 12:00pm on December 24, 2025
  • Closed on December 25, 2025
  • Closing early at 12:00pm on December 31, 2025
  • Closed on January 1, 2026


Have a healthy, happy holiday!

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Quest Diagnostics

Clifton, NJ licensure

Quest Diagnostics Incorporated
1 Insights Drive, Clifton, NJ 07012

Licenses Expires License/Permit #
CAP
 01-14-26 1204101
CLIA 02-27-27 31D0696246
Delaware 12-31-25 2019702894
District of Columbia 05-02-26  
Maryland Non-Expiring 144
New Jersey 12-31-25 00064977
New York 06-30-26 2499
Ohio 02-11-26 C10191/Lead
Pennsylvania 08-15-26 000669A
Rhode Island 12-30-26 LCO01463
West Virginia 12-31-25 HIV/AIDS

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.