Diana Z.
11/21/2025
Review for Ms. Nancy Diaz and Quest Diagnostics, 2250 S. Main St., Corona, CA Ms. Nancy Diaz is truly exceptional. She is caring, gentle, and very professional. Her warm and calm manner...
Quest Diagnostics
Closed
(64)
Advertisement
Photos
2250 S Main St Ste 105
Corona, CA 92882
The Quest Diagnostics difference. Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.
Reviews
2.564 reviews
Grace H.
8/30/2025
If you want to get stabbed a bunch of time by people who don't know what the bell they are doing then come to this location! I get blood work done regularly I've NEVER. Had a issue with someone...
Joe U.
5/3/2025
Quest's Monopoly Mentality Is Failing Patients Quest Diagnostics has plenty of phlebotomists on site, yet none are designated to handle walk-ins--which is a major flaw in their system. Walk-in...
Sam A.
4/29/2025
Terrible experience. I was a walk in and knew I would have a wait. But after 1 hour wait realized that someone who came in well after me needed assistance from another person and I heard him say...
Theresa D.
5/5/2025
If you don't have an appointment plan on sitting and waiting 3+ hours. It is ridiculous
Owner verified
See a problem?
You might also like
Partial Data by Infogroup (c) 2025. All rights reserved.
Partial Data by Foursquare.
Advertisement