Quest Diagnostics
120 S El Camino Real #5
Millbrae, CA 94030 650-651-0027
Millbrae, CA 94030 650-651-0027
Ratings
Consumer Ratings for Quest Diagnostics — 1 Ratings
Percent of customers who rated service "superior" for:
Doing service properly
Promptness/responsiveness
Pleasantness
Overall quality
Consumer Comments for Quest Diagnostics
Oct 25, 2025