Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,670 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 5,670 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
Jan 29, 2026

Great company to work for

Recommend
CEO approval
Business Outlook

Pros

Great pay and employee benefits

Cons

None that I can think of

Viewing 61 - 63 of 5,670 Reviews

Glassdoor has 6,061 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.