Quest Diagnostics

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165 Thomas Johnson Dr Ste H
Frederick, MD 21702
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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2.018 reviews
Photo of Vinny P.
Vinny P.
5/25/2020

I recently decided to get a COVID-19 antibody test (COVID-19 Immune Response test). Most importantly, I wanted a COVID-19 antibody test with extremely high accuracy and high specificity, and thus,...

Dianne M.
10/28/2025

I went in for routine bloodwork. The woman called my name and took me back without a word. She then proceeded to tell me that I have a $300+ balance on my account. I told her that I'm disputing...

Laura D.
11/3/2025

they waste your time; Sat for more than 20 minutes, can hear staff in the back and not one person came to the waiting go area to help those who are checked in.... this is with an appointment...

Ioana R.
9/11/2024

I took my mom over the weekend there. There was a phlebotomist having uncontrollable muscle movements. My mom was scared but we decided to give her a chance to draw her blood. I regret it, mom...

Marissa M.
12/10/2023

Borderline abusive staff. Appointment was for 10:10, forced to wait 30 minutes. Was sent back to a room at 10:40 and kicked out for a walk in pregnant lady when I'm also pregnant, they prioritized...

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