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
1.0
Nov 12, 2025
Recommend
CEO approval
Business Outlook

Pros

early hours are great for morning people

Cons

no $ and no raises

1.0
Nov 8, 2025

Rub

Recommend
CEO approval
Business Outlook

Pros

Everything is money, good bonuses

Cons

Favoritism, fake people, leadership sucks

Viewing 82 - 84 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.