Quest Diagnostics

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210 S Grand Ave Ste 124
Glendora, CA 91741
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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2.562 reviews
Michele H.
10/27/2025

They took me fast as a walk in and Michael was great! Helped me with the kiosk and took my blood. Didn't feel a thing. Thank you!!!

Sandra C.
9/18/2025

I was here to get blood drawn. Service was great I had an appointment and they took me in right after checking in over all everyone there was nice .

Mari U.
10/7/2025

This place should definitely have a front desk. I don't think it's efficient having the phlebotomist do their job and front desk. The kiosks aren't always the greatest, sometimes you need people...

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Ann M.
8/5/2024

This location is convenient and efficient for anyone needing lab work. The check-in process is straightforward and check through kiosk and even though this location can get busy, the wait times...

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Elise G.
7/8/2025

Staff speaks to patients in demeaning ways and are not helpful to patients with language barriers. Be more empathetic if you're going to be in healthcare.

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