Markham, ON · Open 24 hours a day, 7 days a week, 365 days a year
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Nearby Alternatives
Patients in York Region may also have access to other acute care hospitals in the broader Greater Toronto Area, depending on the nature of their condition and ambulance routing.
Toronto · 21 km away
Ajax · 18 km away
Toronto · 28 km away
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.
Emergency patients should use Visitors' Parking Lot 7, located east of Ninth Line and north of Hwy 7, accessible from Ninth Line or Bur Oak Ave — it provides 24-hour access and is the recommended lot for ED patients, maternity patients, and all after-hours visits including MRI. The hospital uses the H Pass system, which is transferable, includes in-and-out privileges within a 24-hour period, and is valid for one year from purchase. Pay stations accept credit cards and cash. Designated accessibility parking is available near main entrances. Contact the Parking Office at 905-472-7373 x 6992.
Markham Stouffville Hospital is served by multiple York Region Transit (YRT) and Viva bus routes, with stops on Church St and Ninth Line. A Vivastation with a full-sized shelter is located on Church Street east of Country Glen Road. Cornell Terminal, which opened in September 2022, serves as a nearby transit hub. GO Transit and TTC connections are also available depending on your origin. Check YRT or Google Maps for the most current route options to the hospital.
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.
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.
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 using historical volumes, current patient counts, and staffing. Actual wait times may vary.
If you are experiencing a medical emergency, call 911 immediately.