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Quest Diagnostics

Marlborough, MA licensure

Quest Diagnostics Massachusetts LLC
200 Forest St. 3rd Floor, Ste. A, Marlborough, MA 01752

Licenses Expires License/Permit #
CAP
 05-01-26 8698344
CLIA 06-24-26 22D2051942
Massachusetts 03-15-27 5325

Quest Diagnostics LLC
200 Forest St. 3rd Floor, Ste. B, Marlborough, MA 01752

Licenses Expires License/Permit #
CAP
 05-01-26 11479-01
CLIA 02-08-27 22D0076229
California 01-29-24 CDS-00800984
Massachusetts 03-15-27 5690
Ohio 02-11-26 C10190
Pennsylvania 08-15-26 28325A
Rhode Island 12-30-25 LCO00860

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.