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
1.0
Aug 2, 2025

Do Not Work Here

Recommend
CEO approval
Business Outlook

Pros

Job sucked bad, like really bad.

Cons

Literally everything such as the benefits, work life balance, and management sucked.

4.0
Aug 1, 2025

Great company!

Recommend
CEO approval
Business Outlook

Pros

Great company to work for with a lot of internal growth opportunities!

Cons

It becomes difficult to cross into other departments.

Viewing 178 - 180 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.