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Holiday schedule

Quest Diagnostics Patient Service Centers will be closed on Monday, September 7th, 2026 in observance of the Labor Day Holiday.  Have a healthy, happy holiday.

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Quest Diagnostics

Valencia, CA Licensure

Quest Diagnostics Nichols Institute of Valencia, Inc.
8407 Fallbrook Avenue, West Hills, CA 91304

LicensesExpiresLicense/Permit #
CAP
04-30-282277101
CLIA04-27-2705D0550302
California01-22-27CDF-00002586
MarylandNon-Expiring437
New York06-30-27PFI: 3197
Pennsylvania08-15-2722376A
Rhode Island12-30-26LCO00461

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.