COVID-19 Assessment Centre (Testing)

COVID-19 Assessment Centre (Testing)

assessment centre

Location and Contact

Location: The COVID-19 Assessment Centre is located at Markham Stouffville Hospital (MSH). See map below.

Online Booking: To get tested at the COVID-19 Assessment Centre you must meet the criteria listed below and book an appointment online.

If you are having technical difficulties with online booking, please call 289-378-2419 to book an appointment.

Booking an appointment

To get tested at MSH’s COVID-19 Assessment Centre you must meet the criteria listed below and book an appointment online.

Criteria for testing

The Assessment Centre will ONLY be testing patients who are/have:

NOTE: Effective Friday, December 11, 2020, testing for the purpose of international travel clearance will not be completed at Assessment Centres, following guidance from the Ministry of Health. The Assessment Centre will no longer be testing patients who do not have symptoms of COVID-19 or asymptomatic people who do not meet the guidelines above.


book an appointment.pngBooking an appointment online

COVID-19 testing is by online booking only.

  • New appointment slots released at 12:01 a.m., and will remain open until registration cap is met.
  • Appointment slots are available for same day and next day appointments (48 hour period). If no appointments are available, no slots will be shown. Slots may become available throughout the day if cancellations occur.
  • If you booked an appointment for a swab only. Your appointment is considered confirmed. Please arrive at the Assessment Centre 10 minutes early to check-in and bring with you two pieces of government-issued ID, and your health card (if you have one).
  • If you booked an appointment to see a doctor and to get swabbed, your appointment is not confirmed until you receive a phone call from an MSH staff member to complete your registration. You must complete your registration with an MSH staff member before coming for your scheduled appointment.
  • Do not seek testing at multiple COVID-19 assessment centres as this will result in delayed access and delayed test results for all. If you can no longer make your scheduled appointment, please cancel so others who need a test can be seen.
  • To cancel your appointment log-in to your appointment booking account, click ‘Appointments’ on the top right menu, and click ‘Cancel’ on the appointment.

Testing hours and location

Current hours:

Open daily.

Registered appointments only: 9 a.m. – 5 p.m.

Getting to the Assessment Centre

The COVID-19 Assessment Centre is located at MSH. The COVID-19 Assessment Centre cannot be accessed from inside of the hospital. The entrance is located on the south side of the hospital, east of the Emergency Department, see map below. COVID-19 Assessment Centre parking is in lot #7.

Click map to enlarge.

assessment centre map.png


Information before you get tested

  • The Ministry of Health has updated the guidelines for COVID-19 testing. Please carefully read the guidelines listed above to determine if you meet the criteria for testing before registering.
  • The Assessment Centre will no longer be testing patients who do not have symptoms of COVID-19 or asymptomatic people who do not meet the guidelines above.
  • If you do not have symptoms and are eligible for testing, please visit a Ministry authorized pharmacy for testing.
  • Upon arrival to the Assessment Centre, individuals who have registered will be asked to check-in at the nursing station.
  • The following information sheets help prepare toddlers, young children and older children for the COVID-19 test. 
  • The test is similar to that of other respiratory illnesses and involves taking a sample from the back of the nasal cavity with a swab. York Region Public Health will follow up with those who test positive for COVID-19.
  • The COVID-19 Assessment Centre will not provide a doctor’s note. Those individuals requiring a doctor’s notes are requested to contact their family doctor.

Patients should come prepared to the Assessment Centre

  • Individuals who need interpreters should have that contact or a downloaded application readily available on their phone.
  • Avoid bringing any individuals with you who do not have to be swabbed or assessed.  This will help us ensure adequate space for social distancing. However, patients who require assistance (with mobility) will need to bring a support person to help them get to and from the Assessment Centre.


Accessing your COVID-19 results

The swabs taken at the Markham Stouffville Hospital’s COVID-19 Assessment Centre are not processed on site. The best way for you to access your results is by visiting the Public Health Ontario COVID-19 results website. An OHIP number is required to register to view results. For patients without an OHIP number and test. It may take up-to seven days for you to receive your results. 

COVID-19 test results will not appear on the Patient Connect portal.

Once your results are available, you will only receive a phone call from York Region Public Health if your test is positive.


Instructions after your COVID-19 test

Download the follow-up instructions and learn how to get your results and how to self-isolate.
See attached PDF.