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Upcoming holiday closures 

Quest Patient Service Centers will be closed on Friday, July 3 and Saturday, July 4, 2026, in observance of Independence Day, and to give our frontline team the time to recharge. Don't let the holiday interrupt your care. Plan your visit today.

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Quest Diagnostics

Norristown, PA licensure

Quest Diagnostics, Inc.
400 Egypt Rd, Norristown, PA 19403
(Clinical and Anatomic Pathology Laboratory)

LicensesExpiresLicense/Permit #
CAP10-08-261327401
CLIA02-27-2739D0204404
Delaware12-31-262003104395
MarylandNon-Expiring1010
New Jersey12-31-260001548
New York06-30-268859
Pennsylvania08-15-2600315A

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.