Quest Diagnostics

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230 S Main St Ste 220
Orange, CA 92868
+1 (714) 634-2052
https://locations.questdiagnostics.com
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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2.0441 reviews
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Nadia L.
8/20/2025

Rena is a great worker there. Very helpful and sweet. I always come here for my blood withdrawals But this time experience was extra pleasant. Rena makes you feel comfortable and secure. She...

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Paulina A.
5/27/2025

I usually go to PIH lab for my lab requests but since I work next door I thought I'd get my labs here. Only giving it 4 stars because Diana was amazing ! Such great people skills for an office...

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DM S.
5/29/2025

Placerville Lab on Cedar Ravine. There were 2 people booked at each time slot with only 1 employee working there for the past 3 months. Phlebotomist telling walk-in's she can't help them. Very...

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JoAnna R.
8/29/2025

Long wait time. Nobody helps. Only a computer to check in. Staff is not helpful and very rude.​

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Mathew G.
4/21/2024

I'm genuinely not sure why this place has so many bad reviews. This place has a free parking garage located right next to it. They also are very easy to find once you're inside the building. Yes...

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"Parking is $2 for 3 hours and you pay through your phone , but if you want free parking, park on the GG hospital side and the walk over. I can see why this place gets so much bad reviews, but my..."
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United States›California›Orange›Quest Diagnostics

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