This hospital doesn't report live data.
In an emergency, call 911. Independent service, not affiliated with this hospital. Free nurse advice: 811.
Ontario doesn't publish live data for this ER
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Non-emergency options
Quieter times: No historical wait time data is available for this location. Generally, emergency departments in Ontario tend to be less busy on weekday mornings (8am–11am) and early afternoons. If your situation is not life-threatening, consider whether a walk-in clinic or virtual care option may be appropriate before visiting the ED.
Busier times: Without specific wait time data, general patterns suggest evenings (5pm–10pm), weekends, and holidays typically see higher ED volumes at community hospitals. As a popular ambulance redirect destination from east-end Toronto hospitals, MSH may experience higher-than-average volumes during regional surge periods.
Nearby Alternatives
Toronto · 12 km away
Scarborough · 14 km away
North York · 20 km away
Toronto · 21 km away
Toronto · 23 km away
Live map, alerts, and forecasts
Open on ERstat →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.
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.
Not every health issue needs an ER visit. Find out where to go for care → · 2 walk-in clinics in Markham →
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Emergency departments use triage. Patients with more serious conditions are seen first, regardless of arrival time.
Wait times are estimates based on Ontario health data. Actual wait times may vary.
If you are experiencing a medical emergency, call 911 immediately.
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