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Markham Stouffville Hospital's Emergency Department at 381 Church St in Markham, Ontario is a 24/7 acute care facility serving approximately 400,000 residents across Markham, Stouffville, and Uxbridge, recording over 106,000 ED visits annually. As the only hospital in Markham and the community hub for south York Region, it offers comprehensive emergency services including mental health crisis care, Geriatric Emergency Management (GEM) nurses, and paediatric emergency services supported through the Kids Health Alliance with SickKids. Patients are triaged into colour-coded severity zones and assessed by emergency medicine specialists with access to state-of-the-art diagnostics and laboratory services on-site.
Services & Specialties
24/7 Emergency Department, Paediatric emergency care (Kids Health Alliance / SickKids partnership), Mental health crisis services, Geriatric Emergency Management (GEM) nurses, Neonatal Intensive Care Unit (NICU), Critical care, Diagnostic imaging, Laboratory services, Maternal and newborn care, Surgery including general surgery and orthopaedics, Cancer care, Rehabilitative care, Medical airlift heliport access.
Amenities
Druxy's Deli full-service cafeteria in the main lobby
Use the self-registration kiosks at the ED entrance to pre-triage yourself upon arrival — this can speed up your initial check-in.
Emergency patients should park in Lot 7 (east of Ninth Line, north of Hwy 7) for the most direct 24-hour access to the Emergency Department.
If visiting with a child, know that MSH has a dedicated paediatric program backed by the Kids Health Alliance with SickKids — staff are trained and equipped for pediatric emergencies.
Mental health crisis support is available directly through the Emergency Department, so individuals experiencing a psychiatric emergency do not need to go elsewhere first.
If arriving by transit, look for the Vivastation shelter on Church Street east of Country Glen Road, and check YRT for current routes as some have shifted to Cornell Terminal.
Connect to MSH-Patient-and-Visitor-WIFI for free internet during your wait — useful for staying in touch with family or accessing health information.
What to Bring
Ontario Health Card (OHIP card)
Government-issued photo ID
List of current medications including dosages
List of known allergies
Any relevant medical records or referral letters
Credit card or cash for parking pay stations
Phone charger or portable battery pack
Snacks, water, and warm layers for potentially long waits
Frequently Asked Questions
Is Markham Stouffville Hospital's Emergency Department open 24/7?
Yes, the Emergency Department at 381 Church St, Markham is open 24 hours a day, 7 days a week, including holidays, serving the communities of Markham, Stouffville, and Uxbridge.
Does Markham Stouffville Hospital have paediatric emergency services?
Yes. MSH is the first community member of the Kids Health Alliance (KHA) in partnership with SickKids, Children's Hospital of Eastern Ontario, and Holland Bloorview. The ED, inpatient paediatrics, and NICU all benefit from this partnership, making it well-equipped to care for children and infants in emergencies.
Where should I park if I'm going to the Emergency Department?
Use Visitors' Parking Lot 7, located east of Ninth Line and north of Hwy 7. It's accessible from Ninth Line or Bur Oak Ave and provides 24-hour access — it is the hospital's recommended lot for emergency patients, maternity patients, and all after-hours visits.
Can I get mental health crisis help at the Markham Stouffville Hospital ER?
Yes. The Emergency Department provides access to mental health crisis services. You do not need a referral — you can walk in or arrive by ambulance and will be assessed and connected to appropriate mental health supports.
How does triage work at the Markham Stouffville Hospital Emergency Department?
Upon arrival, patients can register using self-service pre-triage kiosks. The ED is divided into colour-coded zones — green, yellow, orange, and blue/red — based on severity. You'll be assessed by a physician, nurse practitioner or physician assistant, and a nurse. After treatment, you may be admitted, transferred to a specialty hospital, or discharged home.
Does Markham Stouffville Hospital have a helipad for medical emergencies?
Yes. A heliport is located at the east end of the hospital campus, enabling medical airlifts to and from the facility for critical cases requiring transfer to or from specialized centres.