Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,673 total reviews)

Jim Davis

57% approve of CEO

48% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,673 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 Salud industry (3.4 stars).

Reviews by job title

6K reviews
5.0
Jul 3, 2025
Recommend
CEO approval
Business Outlook

Pros

Stability Structure Freedom Leadership Compensation

Cons

It can take a long time to implement new processes and structure. Could be more nimble.

1.0
Jul 1, 2025
Recommend
CEO approval
Business Outlook

Pros

Pretty good benefits, reasonably good pay, good entry level position to gain lab experience

Cons

Fundamental lack of respect and consideration for any staff and their contributions, severe and intentional understaffing, overworking staff without proportional compensation, grossly unsafe work environment, utter disregard for employee bodily safety and corruption issues within upper management

Viewing 193 - 195 of 5,673 Reviews

Glassdoor has 6,064 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.