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Holiday schedule

Quest Diagnostics Patient Service Centers will have modified hours during the holiday season.

  • Closing early at 12:00pm on December 31, 2025
  • Closed on January 1, 2026


Have a healthy, happy holiday!

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Pittsburgh, PA licensure

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

Licenses Expires License/Permit #
CAP
07-06-27 1285101
CLIA 06-13-27 39D0656976
California 09-21-25 CDS00800116
Maryland Non-Expiring 542
New York 06-30-26 3236
North Carolina 12-31-26 LP00342
Ohio 09-25-25 C10077
Pennsylvania  08-15-25 000482A
Rhode Island 12-30-26 LCO00320
West Virginia 12-31-25 RL-9

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

Licenses Expires License/Permit #
CAP
07-06-27 1285102
CLIA 08-07-26 39D0938116
Ohio (Lead) 02-11-26 C10227
Pennsylvania 08-15-26 025461
West Virginia 12-31-25 RL-52