Clinical Assessment Centre

Clinical Assessment Centre

two nurses in ppe

Location and Contact

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

Online Booking: You must book an appointment online for our cough, cold and COVID-19 clinic and for testing. Assessment for treatment must be by physician or health care provider referral.

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


We are currently completing construction on the walkway that leads to the Clinical Assessment Centre. Please exercise caution and be aware of any uneven ground. The construction will not affect access to this walkway or the Clinical Assessment Centre.


Cough, cold and COVID-19 clinic

Oak Valley Health has established a cough, cold and COVID-19 clinic within the Clinical Assessment Centre at Markham Stouffville Hospital. The clinic is staffed with physicians ready to assess, diagnose and treat individuals who have respiratory symptoms. During the appointment, physicians will assess to see if you qualify for a COVID-19 swab.  

Book an appointment online book an appointment.png

  • If you, or someone you know has mild respiratory symptoms (including a cough, fever, sore throat, etc.) you may book an appointment.
  • If you booked an appointment to see a doctor, your appointment is not confirmed until you receive a phone call from a staff member to complete your registration. You must complete your registration with a staff member before coming for your scheduled appointment.

Please note: at this appointment a physician will assess you to determine if you qualify for a swab. You may or may not receive a swab, at the physician’s discretion. Those who are eligible to be swabbed, under the government of Ontario criteria, will continue to be tested.


Booking a COVID-19 testing appointment book an appointment.png

To get tested at the Clinical Assessment Centre you must meet the criteria listed on the Ministry of Health’s website and book an appointment online. Walk-ins are not accepted.

If you booked an appointment for a swab only. Your appointment is considered confirmed. Please arrive at the Clinical 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).

Booking an appointment for testing or assessment

  • Our Clinical Assessment Centre will not be testing patients who do not meet the above criteria.
  • Our Emergency Departments (ED) at both our Markham Stouffville Hospital and Uxbridge Hospital is not a testing centre. Do not come to the ED for COVID-19 testing. 
  • This Clinical Assessment Centre is not a drop-off site for PCR tests sent home from schools (for teachers and students). Completed samples are not accepted at this Clinical Assessment Centre.
  • 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.
  • 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.
  • The Clinical Assessment Centre will not provide a doctor’s note. Those individuals requiring a doctor’s notes are requested to contact their family doctor.
  • The Clinical Assessment Centre does not do travel swabs.


Health Canada recently approved Paxlovid, an antiviral drug treating COVID-19 by preventing severe illness such as hospitalization and death for at-risk individuals.

As of January 31, 2022, at Oak Valley Health’s Clinical Assessment Centre, Paxlovid is available to eligible individuals.

Who is this for?

Therapeutics is recommended for adults who have mild to severe symptoms of COVID-19 and are at high-risk of serious illness.

Individuals will be assessed for Paxlovid by a physician in the assessment centre.

How can I be assessed?

To be assessed by a physician to receive therapeutics, you must either:book an appointment.png

  • book an appointment at our cough, cold and COVID-19 clinic, within the Clinical Assessment Centre, 

ORregister now referal form button

  • be referred by your family doctor or other health care professional.

Once a referral from has been completed and emailed ( to our Clinical Assessment Centre by your family physician or health care provider, someone will call to book an appointment, either virtually or in-person. A physician will do an assessment, in collaboration with an infectious disease specialist and pharmacist, and will determine if you are eligible for treatment. During this time, you should have a list of your medications and medical conditions.

Not everyone who has COVID-19 and meets certain criteria is eligible for therapeutics.

Hours and location

Current hours 

Open daily.

Registered appointments only: 9:30 a.m. - 4:30 p.m.

Getting to the Clinical Assessment Centre

The Clinical Assessment Centre is located at MSH and 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. Clinical Assessment Centre parking is in lot #7.

Click map to enlarge.

After getting tested for COVID-19

COVID-19 swabs are not processed at our Clinical Assessment Centre. To access your results, visit the Public Health Ontario COVID-19 results website. An OHIP number is required to register to view results. For patients without an OHIP number, 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.

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