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
4.0
Apr 7, 2026

Phlebotomist

Recommend
CEO approval
Business Outlook

Pros

Coworkers, good schedule, Lot of room for growth

Cons

Large Patient load and Angry patients

4.0
Apr 3, 2026
Recommend
CEO approval
Business Outlook

Pros

The teams are great, Management is generally aligned with productivity and the overall good of the company. Lots of friendly and helpful coworkers.

Cons

Working in a large company will always come with large company process and problems.

Viewing 37 - 39 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.