Brand Certified
Quest Diagnostics
3.5(148 reviews)
Certified by Quest Diagnostics • May 17, 2026
Business Details
20400 Lake Chabot Rd, Castro Valley, CA
94546, United States
Certified by Quest Diagnostics • May 17, 2026
(510) 881-1570
Certified by Quest Diagnostics • May 17, 2026
https://locations.questdiagnostics.com/ca/castro-valley/20400-lake-chabot-rd
Certified by Quest Diagnostics • May 17, 2026
About
Certified by Quest Diagnostics • May 17, 2026
Family Medicine
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.
Location
Certified by Quest Diagnostics • May 17, 2026
Hours
Certified by Quest Diagnostics • May 17, 2026
Monday7:00 AM - 4:00 PM
Tuesday7:00 AM - 4:00 PM
Wednesday7:00 AM - 4:00 PM
Thursday7:00 AM - 4:00 PM
Friday7:00 AM - 4:00 PM
SaturdayClosed
SundayClosed
Reviews
3.5
148 reviews
5 stars
74
4 stars
13
3 stars
9
2 stars
10
1 star
42
Brand Certified Facts from Quest Diagnostics
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