Quest Diagnostics reviews

3.2

49% would recommend to a friend

(5,683 total reviews)

Jim Davis

56% approve of CEO

47% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,683 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Quest Diagnostics employee rating is in line with the average (within 1 standard deviation) for employers within the Healthcare industry (3.5 stars).

Reviews by job title

6K reviews
3.0
Oct 29, 2025

Can learn alot

Recommend
CEO approval
Business Outlook

Pros

Staying curious helps you learn alot on the job.

Cons

Lots of red tape for advancing. Cliques.

5.0
Oct 26, 2025

It was good

Recommend
CEO approval
Business Outlook

Pros

•Benefits •Management •rewards •Biometrics Screenings

Cons

•Pay raise •Very Fast paced

Viewing 109 - 111 of 5,683 Reviews

Glassdoor has 6,074 Quest Diagnostics reviews submitted anonymously by Quest Diagnostics employees. Read employee reviews and ratings on Glassdoor to decide if Quest Diagnostics is right for you.