Quest Diagnostics
711 D St #103
San Rafael, CA 94901 415-925-2720
San Rafael, CA 94901 415-925-2720
Ratings
Consumer Ratings for Quest Diagnostics — 7 Ratings
Percent of customers who rated service "superior" for:
Doing service properly
Promptness/responsiveness
Pleasantness
Overall quality
Consumer Comments for Quest Diagnostics
Aug 10, 2026
May 28, 2025
May 28, 2023
...and 4 more consumer comments for Quest Diagnostics