Quest Diagnostics

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941 Clay St
San Francisco, CA 94108
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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2.049 reviews
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Judy M.
7/2/2025

I feel bad since only one person was working there, and she's trying her best. There was a mother and son who was giving her a hard time, since the son didn't drink water beforehand and there was...

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Sharine d.
8/20/2024

9:45a. . Enter... no patients...tech says... will only do draw if next person is 'no show'. I then sit by myself in an empty office....20min and counting...no other patient. The tech is extremely...

Wershop S.
8/19/2025

I'd leave negative stars if I could. Seriously the most inefficient lab I have ever been to. The technician is supposed to check in and everyone and do the lab test. There is one person. She was...

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Liz B.
7/21/2024

Quest Diagnostics was clean, professional and efficient. The tech was pleasant and proficient with the blood draw. This location is in the busy Chinatown area, so street parking can be a...

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Jennifer L.
9/5/2024

Do not visit this location. The staff are rude and slow and borderline incompetent. There is a reason I prefer LabCorp. Would give zero stars if I could.

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