Chloe B.
2/28/2025
Quest has changed over the last few years and definitely become self service at check in which after sitting and watching while waiting I have noticed a lot of frustration especially from less...
Quest Diagnostics
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(60)
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1330 W Covina Blvd Ste 205
San Dimas, CA 91773
Quest Diagnostics in San Dimas, CA is a leading provider of comprehensive laboratory testing services, offering a wide range of tests for patients and healthcare professionals. From COVID-19 testing to testing for various conditions, patients can conveniently make appointments, access their test results online, and even buy their own lab tests without a doctor's visit. With a focus on efficiency and accuracy, Quest Diagnostics is committed to providing trusted information and fast action during the COVID-19 health crisis.
Healthcare professionals can also benefit from Quest Diagnostics' services, including access to a comprehensive test directory, billing coding guidelines, and electronic billing solutions. The Quanum Lab Services Manager allows physicians to order lab tests for their patients, view test results, and streamline their workflow. With a team of clinical experts and advanced IT systems, Quest Diagnostics is dedicated to supporting medical professionals and delivering high-quality laboratory services.
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Reviews
2.560 reviewsMaryJane V.
10/31/2025
Went about 2 months ago but didn't follow through. I got to my appointment early and was the only one there at first. The wait took about 20 minutes and I couldn't speak to anyone since it's self...
Alexis G.
8/15/2025
Extremely long wait, even with an appointment. Staff was extremely rude to a pregnant woman who said she was asked by staff to come back today. Service is unbelievably slow. Never been to a Quest...
N G.
7/30/2025
Yes they take walk ins, however, be prepared to wait. I went in at 650am. They open at 7am. TWO ladies working. I check in. Only me and another lady there waiting who is also a walk in. You would...
Vivianna R.
5/21/2024
I have been here twice as a walk in within the last month. I can say I like this one better than the Diamond Bar one. At first I got confused with the location because it is next to a hospital but...
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