Quest Diagnostics reviews

3.2

49% would recommend to a friend

(5,682 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 5,682 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
Nov 2, 2025

Benefits

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Benefits are decent. 5% 401k is good

Cons

Takes forever to move up

3.0
Oct 30, 2025
Recommend
CEO approval
Business Outlook

Pros

Great benefits with programs to lower your health plan premiums.

Cons

Huge work load. Often requires overtime and attentional side tasks. No career growth.

Viewing 106 - 108 of 5,682 Reviews

Glassdoor has 6,073 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.