Quest Diagnostics Statistics and Facts (2021) | By the Numbers

Quest Diagnostics statistics and facts

Here are a few of the most interesting Quest Diagnostics statistics and facts I was able to dig up. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.

Quest Diagnostics statistics and factsPlease note that some of these numbers are easier to find than others. A few of these Quest Diagnostics stats come from their own reports, but some are based on news reports and not official company tallies. No information contained on DMR should be relied upon to make investment decisions. Basically, this is the best I can find and I don’t guarantee anything to be 100%

Quest Diagnostics Facts

  • Website:
  • Year Founded: 1967
  • Founder: Paul Brown
  • Headquarters: Madison, NJ
  • CEO: Steve Rusckowski

Quest Diagnostics Statistics

Number of Quest Diagnostics employees:


Last updated 2/20/20

Number of tests offered by Quest Diagnostics:


Last updated 11/16/18

Average number of daily Quest Diagnostics patients:


Last updated 11/16/18

Quest Diagnostics annual revenue:

Quest Diagnostics annual net income: