Quest Diagnostics
3526 King St
Alexandria, VA 22302 571-431-6109
Alexandria, VA 22302 571-431-6109
Ratings
Consumer Ratings for Quest Diagnostics — 19 Ratings
Percent of customers who rated service "superior" for:
Doing service properly
Promptness/responsiveness
Pleasantness
Overall quality
Consumer Comments for Quest Diagnostics
Sep 22, 2026
Oct 22, 2025
Apr 25, 2022
...and 16 more consumer comments for Quest Diagnostics