Quest Diagnostics

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2171 Jericho Tpke Ste 102
Commack, NY 11725
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.
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Reviews

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2.532 reviews
Michael R.
8/28/2025

In and out in 5 minutes Commack location. Young lady that drew my blood was excellent. Thank you.

Peter P.
9/7/2024

Terrible. Go to Quest Syosset instead. We had an appointment but it was not confirmed. Waiting room tiny and overcrowded complete with people given us unsolicited advise about how we should be...

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Jean P.
12/2/2023

Today, Saturday December 2nd ,I went for scheduled blood work early in the morning at the Commack location. The check in process was quick and easy, no wait at all. The tech/phlebotomist Keara was...

Neal B.
3/25/2024

Had my blood taken last week. They were pretty fast was good, but my arm swelled up and turned black and blue

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Wendy E.
8/4/2023

Quest Diagnostics in Commack is the worst establishment to go to. My appointment was at 8:30 am. I scheduled the appointment way in advanced because I am 8 weeks pregnant and did not want to wait...

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