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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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Pittsburgh, PA licensure

Quest Diagnostics of Pennsylvania, Inc.
875 Greentree Road 4 Parkway Center, Pittsburgh, PA 15220

LicensesExpiresLicense/Permit #
CAP
07-06-271285101
CLIA06-13-2739D0656976
California09-21-26CDS00800116
MarylandNon-Expiring542
New York06-30-263236
North Carolina12-31-26LP00342
Ohio09-25-26C10077
Pennsylvania 08-15-26000482A
Rhode Island12-30-26LCO00320
West Virginia12-31-26RL-9

Quest Diagnostics Venture, LLC
875 Greentree Road 4 Parkway Center, Pittsburgh, PA 15220

LicensesExpiresLicense/Permit #
CAP
07-06-271285102
CLIA08-07-2639D0938116
Ohio (Lead)02-11-26C10227
Pennsylvania08-15-26025461
West Virginia12-31-26RL-52