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Fontana, CA

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Quest Diagnostics

2.1 (104 reviews)
Closed • 7:00 am - 11:00 AM

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2 months ago

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6 months ago

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1 month ago

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2 months ago

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1 year ago

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3 months ago

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4 months ago

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3 months ago

Disgusting patient care, dirty facility. None of the sanitizer stations are operational.

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1 year ago

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3 years ago

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4 months ago

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1 year ago

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1 year ago

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2 years ago

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11 months ago

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1 year ago

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1 year ago

Why do they insist on taking people 10 min before there appointment time and not take a walk in. They need to improve.

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Photo of Rosa S.
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1 year ago

This lab moves extremely slow, I waited almost 2 hours as a walk in. I don't recommend this location.

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9 months ago

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Photo of Nana L.
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4 years ago

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1 year ago

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1 year ago

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Photo of Theresa C.
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2 years ago

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3 years ago

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2 years ago

Helpful 3
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6 years ago

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Quest Support

Thank you for sharing this feedback, John!

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2 years ago

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Photo of Lily A.
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3 years ago

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6 years ago

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Quest Support

Thank you for sharing this feedback, Bri!

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3 years ago

Helpful 1
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6 years ago

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Quest Support

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3 years ago

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8 years ago

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Quest Support

Helpful 1
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6 years ago

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Quest Support

Helpful 3
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2 years ago

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4 years ago

Helpful 1
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4 years ago

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3 years ago

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5 years ago

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Photo of Macy N.
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7 years ago

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Quest Support

Thank you for taking the time to share this feedback, Macy!

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Ask the Community - Quest Diagnostics

Review Highlights - Quest Diagnostics

“I tend to feel dizzy/nauseous while having blood drawn and Lizeth made it a quick and painless experience.”

Mentioned in 8 reviews

Read more highlights

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Quest Diagnostics - laboratorytesting - Updated October 2026

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