Quest Diagnostics

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(26)

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950 Las Gallinas Ave
San Rafael, CA 94903
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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3.026 reviews
Carol G.
8/8/2025

I will make Quest Diagnostics in Safeway in Terra Linda San Rafael my go to lab. Rosier is very good at his job. He is relaxed, kind and efficient. I think Quest is lucky to have such a great...

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Ellen R.
10/3/2025

Their online site has never worked! I've made two appointments online and when I go in there's no record of them. Waiting room is always packed to the gills. The lab techs are very overworked and...

Sean Murphy
10/24/2025

So darn busy and you can't book an appt. The staff is nice but they need to hire more people.

Kathleen M.
8/8/2024

I go to quest but in Marin it takes a week compared to two days at the most in Silicon Valley to get an appointment. Also the phlebotomist's are so over worked and not paid for it that they tend...

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Jena M.
7/10/2024

They are literally the worst. Appointments are never available unless you book months in advance I tried twice for a walk -in and the first time they got so backed up that ai waited until the...

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