Question 1

Is Quest Diagnostics a good company to work for?

Accepted Answer

Quest Diagnostics has an overall rating of 3.1 out of 5, based on over 6,084 reviews left anonymously by employees. This rating has decreased by 4% over the last 12 months. 47% of employees would recommend working at Quest Diagnostics to a friend and 46% have a positive outlook for the business. The best reviews about Quest Diagnostics have been left by employees working as Financial Analyst, Director and Cls.

Question 2

Does Quest Diagnostics pay their employees well?

Accepted Answer

According to anonymously submitted Glassdoor reviews, Quest Diagnostics employees rate their compensation and benefits as 3.3 out of 5. Find out more about salaries and benefits at Quest Diagnostics. This rating has decreased by 3% over the last 12 months.

Question 3

How satisfied are employees working at Quest Diagnostics?

Accepted Answer

47% of Quest Diagnostics employees would recommend working there to a friend based on Glassdoor reviews. Employees also rated Quest Diagnostics 2.9 out of 5 for work life balance, 3.0 for culture and values and 3.1 for career opportunities.

Question 4

What are the top reviewed jobs at Quest Diagnostics?

Accepted Answer

Phlebotomist (488), Medical Technologist (207), Specimen Processor (127), Lab Assistant (114), Cerified Phlebotomist (109), Lab Technician (83), Phlebotomist II (55), Forensic Scientist (51), Patient Service Representative (51), Customer Service Representative (45), Clinical Laboratory Scientist (44), Physician Account Executive (42), Specimen Technician (41), Account Executive (39), Medical Laboratory Scientist (36)

Question 5

What are the pros of working at Quest Diagnostics according to real employee reviews?

Accepted Answer

"Benefits with the company are good for me and my family" ((in 687 reviews)); "It’s good and good pay" ((in 401 reviews)); "I have been able to meet a few really great people who are trying to make a difference" ((in 246 reviews)); "Coworkers are great and committed to company's mission" ((in 131 reviews)); "Work life  balance is good because they don't expect you to work more than your 40 hours." ((in 97 reviews))

Question 6

What are the cons of working at Quest Diagnostics according to real employee reviews?

Accepted Answer

"They under pay and keep bad employees and supervisors." ((in 102 reviews)); "poor upper management, didn't value other employee's input" ((in 93 reviews)); "Favoritism and retaliation is rampant!" ((in 91 reviews)); "long hours and mandatory ot" ((in 72 reviews)); "No training department in general" ((in 65 reviews))

Question 7

What are employees saying about Quest Diagnostics layoffs in 2026?

Accepted Answer

Explore Glassdoor’s employee reviews to understand what current and former employees are saying about Quest Diagnostics layoffs and their outlook for job security at Quest Diagnostics in 2026.

Question 8

What are the top reviewed Quest Diagnostics locations?

Accepted Answer

Lenexa, Tampa, Chantilly, Secaucus, Marlborough, San Juan Capistrano, Houston, Teterboro, Dallas, Pittsburgh, New York, Los Angeles, Atlanta, Tucker, Clifton, West Hills, Irving, Norristown, Madison, Indianapolis, Lewisville, Las Vegas, Saint Louis, Baltimore, Sacramento, Valencia, Greensboro, Seattle, Miramar, Wood Dale

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communication between IOP and superviser is not very good

If you are not so ambitious and prefer to have job stability, this is the place.

Good, but could be better

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