Open 24 hours. We can't estimate the wait here; comparable ERs run 1h 3m – 2h 24m.
2 people have said how busy it was
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
That's why we show a prediction instead. See Ontario's transparency grade →
Non-emergency options
Quieter times: No historical wait time data is available for this location. Generally, mid-morning on weekdays (Tuesday through Thursday) tends to be quieter at small community ERs. If your condition is not immediately life-threatening, arriving during off-peak hours can help reduce your wait.
Busier times: No historical data is available for this facility. Like most emergency departments, evenings, weekends, and Monday mornings typically see higher patient volumes. Avoid these times for non-urgent concerns if possible.
Nearby Alternatives
Stratford · 18 km away
Exeter · 28 km away
London · 29 km away
London · 30 km away
London · 33 km away
Live map, alerts, and forecasts
Open on ERstat →St. Marys Memorial Hospital is a 20-bed acute and complex continuing care community hospital serving St. Marys and the surrounding Perth, Huron, Oxford, and Middlesex county areas. The emergency department, located in the South Wing on the main level, is staffed 24/7 by doctors, nurses, and health professionals who assess and treat injuries and serious illness. As part of the Huron Perth Healthcare Alliance, complex cases requiring advanced specialty care are typically stabilized here and transferred to the regional referral centre at Stratford General Hospital, approximately 11 km away.
24/7 Emergency Department, Acute inpatient care, Complex continuing care and rehabilitation, Outpatient specialist clinics, Huron Perth Diabetes Education Program, Care coordination with Ontario Health atHome South West, Nursing care and therapy services, Wheelchair accessible facilities.
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An on-site parking lot is available at 267 Queen St W. St. Marys downtown also offers over 250 free parking spots nearby, with a three-hour limit for on-street parking. Patients expecting an extended stay should use the on-site lot or contact the hospital at 519-284-1332 for guidance.
No scheduled public transit routes directly serving the hospital have been confirmed. St. Marys is a small town with limited transit options. Contact the Town of St. Marys or the hospital directly at 519-284-1332 for information on any available community transportation services.
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.
This hospital does not publish a live wait, so the figure above comes from our model rather than from its own feed. We publish how that model performs where it can be checked, at the hospitals that do publish. See the accuracy scorecard, or how we work the number out.
If you are experiencing a medical emergency, call 911 immediately.
Incorrect hours, wrong address, or outdated information? Let us know.