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    Quest Diagnostics

    1.9 (126 reviews)
    Open 7:00 am - 5:00 pm

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    Closed before time.
    Sheila C.

    Subject: Feedback - Quest Diagnostics Downey Location I visited the Quest location at 11525 Brookshire Ave., Downey, CA on 5/27/25 arriving at 4:14 PM after being unable to schedule an appointment online. I checked in using the kiosk, but at 4:58 PM, a staff member informed me they could not see me due to two patients already being in the back--even though I arrived before the 5:00 PM closing time. I explained I have an upcoming surgery and limited availability due to work, but was still turned away. This was frustrating, especially since access gates close early, making it hard to get help with the kiosk. Suggestions for improvement: * Allow patients who check in before 5:00 PM to be seen. * Keep access gates open until closing for those who need kiosk assistance. * Train staff to better assist and communicate with patients with urgent or time-sensitive needs. Thank you for considering ways to improve the patient experience.

    So this is the text I got 1 1/2 hours before my appointment.
    Rick S.

    If I could give negative stars I would, this place Sucks with a capital S. I've been here twice before and both times I had to wait over 2 hours to be told that they probably would be able to get to me before they closed. They strongly encourage you to make an appointment because people with appointments take priority over walk-ins. When I had the appointment I don't know why it takes so long to get to each person? All of the information they need is in the computer and all they have to do is stick the damn stickers on the viles and/or bags. At my old doctors office there was one lady doing the same job and she had you in and out in 5mins. This place has at least 4 people doing the same job. The only reason I have to go to this f***ing place is because the lab at my doctors office needs to hire a technician.

    Sign in yourself
    Kololia P.

    I scheduled my appointment ahead of time. Well it didn't make one difference what so ever!! So very frustrating , everything is automative . So, once I checked in through their touch screen w/ my code of confirmation for my appointment time of 2:10pm . It did NOT make one difference. There's No staff person , it's just a simple touch screen. Do it yourself. Probably to save money for Quest. I'm no longer going to use this Lab. waiting room is crowded . I would not recommend, even though it close to my home.

    added a person to the top of the ( walk ins) not the appointment list and moved everyone down who were waiting for 3 plus hours.

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    5 months ago

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    8 days ago

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    2 years ago

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    9 months ago

    They handling of customers needs to be improved because they have people waiting hours to just get a test or turn in test specimen

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    1 year ago

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    2 years ago

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    Thank you for your review, Kololia!

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    10 months ago

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    1 year ago

    They should NOT offer walk-in options if the person will have to wait 3-5hrs.......... It is very inconvenient

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    2 years ago

    Horrible customer service. They don't care about appointments or elders. Staff is rude! Go to a different location

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    4 years ago

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    2 years ago

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    2 years ago

    These people are extremely rude and unprofessional. A lot of elders dont know how to use the sign in device. Nobody helping them

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    5 years ago

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    Page 1 of 4

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    Review Highlights - Quest Diagnostics

    It was very clean, FAST, they got me in and out.

    Mentioned in 2 reviews

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    Quest Diagnostics - laboratorytesting - Updated August 2026

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