1. Quest Diagnostics

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Montebello, CA

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Quest Diagnostics

2.7 (64 reviews)
Open • 6:30 am - 3:30 pm

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Scan this and get an appointment or go at 3:30 when they close same thing
Regina L.

Only with appointment. Staff are so busy working they don't have time to check the lobby for people to help check in. I observed another patient help a lady. He earned some kindness rewards in the universe. If you come for standby you will be waiting all day.

Holiday closures 2020

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10 years ago

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5 years ago

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6 years ago

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Quest Support

Thank you for sharing this feedback, Jannel!

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9 years ago

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12 years ago

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8 years ago

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8 years ago

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10 years ago

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6 years ago

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11 years ago

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6 years ago

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Thank you for sharing, Ann!

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7 years ago

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Quest Support

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6 years ago

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Quest Support

Hi Stephanie- Thank you for sharing this feedback!

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7 years ago

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Quest Support

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8 years ago

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12 years ago

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6 years ago

horrible! entered my height worng by 1 foot, which will affect my life insurance application.

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11 years ago

Treated me great, Out before my Appointment Sonia drew the blood.....great experience over all

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10 years ago

I've been here twice both good experiences. Just make sure you have your insurance card and paperwork on hand.

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8 years ago

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10 years ago

Helpful 2
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11 years ago

Helpful 3
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11 years ago

Helpful 1
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Review Highlights - Quest Diagnostics

“I was cheerfully greeted by Sonia, who was very helpful getting me checked in.”

Mentioned in 4 reviews

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Labcorp

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2.6(55 reviews)
1.6 mi

If you have a family member with a language barrier or just from an older generation, make sure you…read moreschedule an appointment for them on their website and come with them. The front desk staff is not patient or friendly at all to those with tech illiteracy. First of all, the stress of COVID precautions means only 7 patients are allowed at a time in the waiting room. Which is not a bad thing, but it creates a waiting system especially for those without an appointment. Personally, I did not have any problem checking in or waiting to be seen. It was smooth sailing for me. But it really bothers me when our elders and those with a language barrier are treated as second class citizens when the people working there obviously also speak Spanish too, proven because I heard them speak it. Parking was easy and so was finding the place.

The wait here is absolutely ridiculous. There are so many people waiting that there isn't even…read moreanywhere to sit. They definitely need to hire more techs or have better staffing during busy hours. When we arrived, there was only one person drawing blood while also taking care of the front. Another tech eventually came back from break, but instead of helping with the long line of patients, they were in the back chatting while everyone continued to wait. It's extremely frustrating to sit here for hours, especially when you can see how understaffed and unorganized the location is. I completely understand that places get busy, but when patients are waiting this long and there aren't even enough seats, something needs to change.

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Quest Diagnostics - laboratorytesting - Updated October 2026

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