Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,672 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 5,672 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 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.

3.0
Oct 29, 2025

Can learn alot

Recommend
CEO approval
Business Outlook

Pros

Staying curious helps you learn alot on the job.

Cons

Lots of red tape for advancing. Cliques.

Viewing 97 - 99 of 5,672 Reviews

Glassdoor has 6,063 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.