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    Quest Diagnostics

    2.9 (149 reviews)
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    That red dot is the injection site where I got blood work done at Quest Diagnostics in Chino. The needle didn't touch my vein.
    Richard P.

    I've been to this Quest Diagnostics location a couple of times before, but the phlebotomist who drew blood from me today did such a HORRIBLE job that I was compelled to write this review. While I was waiting on my chair in Stall #7, I looked at the vein on my right arm (which is where I always get blood drawn) to see if there would be any issues for the technician to stick the needle into it. The vein looked good, but to my immediate SHOCK, I watched as the phlebotomist inserted the needle WELL AWAY from my vein...as shown in the photo I attached with this review. There have been previous times when other phlebotomists inserted the needle in a way that was a bit uncomfortable, but the fact that I literally said "OW" and grimaced the whole time today's technician was drawing blood, showed how much more painful THIS experience was. To make things worse, this phlebotomist didn't even care to ask "Are you okay?" or remotely apologize considering that she could see the grimace on my face. I guess this technician has done this job for such a long time that she doesn't care if she's performing the blood work in a haphazard manner. Just get me on my way so she can work on the next patient. If this phlebotomist did this half-assed job to a 5-year-old, it's not an exaggeration to say that this would be a traumatic experience that will make this child refuse to go to a medical office ever again. Disgraceful. I WOULD go to a Labcorp to get blood drawn, but for some odd reason, the majority of its locations are going out of business or temporarily closed due to a maintenance issue near where I live. Fortunately, there's another Quest Diagnostics close to my house. But this Grand Avenue location is in a really nice area... Such a shame that a phlebotomist who's bad at her job had to make me not want to go back to this office ever again.

    In between Ross and 09 Ranch Market, off Pipeline and Chino Hills Pkwy.

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    2 months ago

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    11 months ago

    Fast. In and out. Pleasant experience. Checked in via my phone entered the facility and was soon called.

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    2 years ago

    Very clean and the staff is top notch!! Best way to get right in is to make an appointment. Quick and really easy.

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    5 years ago

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    5 years ago

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    Quest Support

    Thank you for sharing this feedback, Andrew!

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    Thank you for sharing this feedback, Tina!

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    Review Highlights - Quest Diagnostics

    I was also extremely nervous about having blood drawn and the guy made me laugh and was very gentle.

    Mentioned in 13 reviews

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    Our family have been coming to this place for blood work for many years. The previous experience…read morewas okay but lately we had very horrible experience with the front desk lady. She probably really hated this job because she was so rude so impolite and when she talks to you she sounded like you are stupid or low life. This is very unpleasant. We are here to do blood work and bringing revenue to your company so you can keep your job but you act like we are begging you to do blood work for us this is insane. I ended up calling the corporate office and file a complaint which I doubt they would do anything but I'm doing what I could so that others don't have to experience the same thing that my family had to go through.

    I'd give this spot 0 stars if I could. They might be great people but perhaps just horrible and…read moretheir chosen professions? Their skills, or lack thereof, definitely need to be improved. They were unable to successfully draw blood from my mother after two initial attempts. The third attempt was finally successful but after 1.5 vials, the tech stated that they needed to try the other hand again to see if it would be faster. 2 more unsuccessful attempts on the other hand and they ask my mom if she'd like to come back tomorrow, when their coworker is working instead (mind you this is after already telling her to fast for today's blood drawing). She ended up leaving and going to a different lab. Absolutely amazed that this place is still open. Someone needs to look into it.

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    Quest Diagnostics - laboratorytesting - Updated May 2026

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