Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,677 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 5,677 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 2, 2025

It was time to leave

Recommend
CEO approval
Business Outlook

Pros

I liked my coworkers and the benefits

Cons

The sites were understaffed, and it was stressful.

2.0
Oct 2, 2025

Don’t work here

Recommend
CEO approval
Business Outlook

Pros

No pros at all. Nothing good to say.

Cons

Have to work on holidays (Christmas and thanksgiving and new years) and weekends

Viewing 121 - 123 of 5,677 Reviews

Glassdoor has 6,068 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.