Open Daily: 7am to 2pm
  • Email: info@covid19-diagnostics.com

Dr. Ingrid Liu

Medical Director

  • M.D.
  • PHD

Dr. Ingrid Liu is the owner and director of Progressive Health Primary Care, PLLC. She has been practicing primary care family medicine for over 20 years.

Dr. Liu earned her undergraduate degree at the University of Illinois, Urbana - Champaign, her osteopathic medical degree at the Chicago College of Osteopathic Medicine, and completed her residency at the West Suburban Hospital, Family Medicine Residency, in Oak Park.

You may want a COVID-19 Test if you...


  • Believe you may have been exposed to someone who tested positive for COVID-19

  • Have recently traveled

  • Are planning to visit family or friends

  • Are returning to work

  • Are travelling somewhere that requires proof of a negative test

  • Want peace of mind!

Ready to be tested? Book an Appointment!

Our Northbrook, IL drive-up COVID-19 testing site is open 7 days a week from 7am to 1:30pm. Book an appointment, come on the date and park in one of our designated spaces and then text us at the number found on our parking sign. Please bring a copy of your Drivers License or State ID.