Quest Diagnostics reviews

3.2

49% would recommend to a friend

(5,679 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 5,679 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
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 199 - 201 of 5,679 Reviews

Glassdoor has 6,070 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.