Quest Diagnostics reviews

3.2

52% would recommend to a friend

(5,665 total reviews)

Jim Davis

58% approve of CEO

49% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,665 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
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

Viewing 22 - 24 of 5,665 Reviews

Glassdoor has 6,056 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.