Quest Diagnostics reviews

3.2

51% would recommend to a friend

(5,669 total reviews)

Jim Davis

57% approve of CEO

49% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,669 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
Mar 17, 2026

Quest

Recommend
CEO approval
Business Outlook

Pros

Many open shifts and positions. Pay is competitive.

Cons

Many problematic employees and some managers. More focus on quantity than quality.

5.0
Mar 11, 2026

Good place to work

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Good Managers and very collaborative environment

Cons

Can be disorganized at times

3.0
Mar 7, 2026
Recommend
CEO approval
Business Outlook

Pros

- Coworkers are great - Immediate lead/supervisor/management in core lab is great

Cons

- Limited OT - Limited upward movement for pay

Viewing 37 - 39 of 5,669 Reviews

Glassdoor has 6,060 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.