The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.
Website: questdiagnostics.com
Phone: (510) 881-1570
Closed now
- Thu 7:00 AM - 4:00 PM
20400 Lake Chabot Rd Castro Valley, CA 94546 ·2328.38 mi
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Reviews
yelpNever had a bad experience here. The only problem is parking. Get to your appt early or have someone drop you off because there is rarely any parking spots.
MoreSTAY AWAY! The online booking system is completely broken and has been for weeks!Their website is an absolute joke. Two weeks ago, I tried booking on my phone, but it kept glitching and saying...
MoreVery unprofessional and disrespectful experience. I had a 12:40 PM appointment on September 2, 2026, and had already been waiting for a while. I briefly stepped away to make a phone call and did...
MoreAfter trying to go to the Mowry location yesterday and being met with senseless service, long waits, and rude staff- it was the opposite from my impression here. Practically empty waiting room...
MoreThis lab is totally user unfriendly. There is no human contact in the waiting room. There is no way to reach them on the phone. Making appointments are required but they are weeks if not months to...
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