Quest Diagnostics

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250 W Bonita Ave Ste 130 Bldg A
Pomona, CA 91767
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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3.088 reviews
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Heather D.
7/3/2021

This office was very efficient and most of the staff was extremely nice and accommodating. Everything was clean and I felt safe. Check in was easy, but I definitely recommend having an appointment.

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Paul E.
6/2/2025

Just wanted to Thank Jamie as she always finds the stubborn vein even when I am not well hydrated! I have been coming here for years and have never had a bad experience! I drive 1 hr to get my...

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Jason G.
4/3/2025

Super ghetto staff. They look mad. They say you're getting all wild up just by talking to them. Very unprofessional.

Jacqueline T.
8/12/2025

No point in having an appt.at this location. 45 minutes later now and have yet to be called. Not sure why you would bother scheduling here since it's clear they could care less about sticking to...

Martin P.
9/5/2025

Terrible service. Unhelpful and brusque staff. Poor booking system that accepts walks ins and then allows staff to reject your appointment

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