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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

San Juan Capistrano, CA (Quest Diagnostics Nichols Institute) licensure

Quest Diagnostics Nichols Institute
33608 Ortega Highway, San Juan Capistrano, CA  92675

LicensesExpiresLicense/Permit #
CAP
05-28-282285201
CAP ISO 1518911-09-26 
CLIA02-27-2705D0643352
California12-28-26CDF 00002562
MarylandNon-Expiring290
New York06-30-27PFI: 2478
North Carolina12-31-26HIV00902
Pennsylvania08-15-27022174A
Rhode Island12-30-26LCO00194
West Virginia12-31-26 
ISO 9001:201504-04-28 
ISO-13485:201603-09-28MDSAP 753686
ISO-13485:201603-09-28MD 753587
ISO-14001:201511-15-2825-R4595

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.