Hôpital Honoré-Mercier is the primary regional hospital serving Saint-Hyacinthe and the surrounding Les Maskoutains, Acton, and La Vallée-du-Richelieu municipalities, offering general, specialized, and ultra-specialized care through its 24/7 emergency department. The expanded ED features approximately 26 working beds, a rapid evaluation zone with seven chairs for urgent patients, and individual enclosed cubicles designed to improve infection prevention and patient privacy. As a high-capacity facility within the CISSS de la Montérégie-Est health network, this hospital is equipped to handle complex emergencies and is the appropriate destination for serious or life-threatening conditions in the Maskoutains region.
Services & Specialties
24/7 Emergency department, Intensive care unit (ICU), Rapid evaluation zone for urgent patients, Obstetrics and maternity care, Pediatrics and early childhood development, Mental health: outpatient clinic, hospitalization, and psychiatry, Mental health shelter beds (Saint-Charles Pavilion), Palliative care, One-day surgery, Hemodialysis and pre-dialysis clinic, Respiratory rehabilitation program, Diagnostic and testing centre, Detoxification services, Abortion services, Rehabilitation and therapeutic services, Specialized outpatient clinics.
Amenities
ATM on the ground floor of the Honoré-Mercier Pavilion, across from the admissions desk
Non-denominational meditation and prayer room (room HM-01-465, 1st floor) — open 24/7
Spiritual care support available to patients of all faiths
Meals delivered to inpatient rooms three times daily
Designated smoking and vaping area on the Saint-Charles Pavilion side near Rue Gauthier (cannabis prohibited)
Admissions office open Monday–Friday, 7:30 a.m. to 4:00 p.m.; emergency reception handles after-hours admissions
Enter the emergency department from the dedicated entrance off Rue Gauthier — it has its own paid parking lot directly adjacent.
If you arrive outside regular admissions hours (Monday–Friday, 7:30 a.m.–4:00 p.m.), check in directly at the emergency reception desk rather than the main admissions office.
Bring your valid Quebec health insurance card (RAMQ card) — without it, you may be billed for services, even as a Quebec resident.
Use the rapid evaluation zone if directed by triage staff — it is designed to quickly assess and treat urgent patients, which can reduce your overall wait time.
If you are a frequent visitor or accompanying a long-term patient, ask the Security Service about the parking coupon booklet, which can help manage parking costs.
Services are available in both English and French — do not hesitate to request care in your preferred language.
What to Bring
Valid Quebec health insurance card (RAMQ card)
Government-issued photo ID
Complete list of all current medications, including dosages, over-the-counter drugs, and natural health products
Provincial health forms or referral documents if applicable
Emergency contact information for a family member or caregiver
Personal comfort items for potential wait times (water bottle, phone charger, light snack)
Reading material or entertainment for the wait
Any relevant medical history, allergy information, or previous test results
Parking
A paid parking lot is accessible from the emergency entrance off Rue Gauthier. Payment kiosks are located at the main entrance and on the ground floor of the Saint-Charles Pavilion. The first two hours are free, with a maximum daily rate of approximately $7. A coupon booklet is available from the Security Service for frequent visitors. Street parking on surrounding roads including Rue Gauthier and Rue Blanchet is metered and paid from 7:00 a.m. to 6:00 p.m.
Getting There
The hospital is served by local bus routes 200, 300, and 25, with nearby stops at Dessaulles/Bourdages Nord and Terminus Saint-Hyacinthe. VIA Rail also serves Saint-Hyacinthe station, providing intercity rail access for patients travelling from further afield.
Frequently Asked Questions
What is the address and phone number for Hôpital Honoré-Mercier's emergency department?
The hospital is located at 2750 Boulevard Laframboise, Saint-Hyacinthe, QC J2S 4Y8. The main phone number is 450-771-3333. The emergency entrance is accessible off Rue Gauthier.
What region does Hôpital Honoré-Mercier serve?
Hôpital Honoré-Mercier is the major regional hospital for the Les Maskoutains, Acton, and La Vallée-du-Richelieu Regional County Municipalities. It is part of the CISSS de la Montérégie-Est health network.
Does Hôpital Honoré-Mercier offer mental health emergency services?
Yes. The hospital has dedicated mental health services including an outpatient clinic, inpatient psychiatric hospitalization, 35 short-term psychiatric beds, and 25 mental health shelter beds in the Saint-Charles Pavilion. Mental health support is available as part of the overall emergency and specialized care offering.
Is there parking at the Hôpital Honoré-Mercier emergency department?
Yes. A paid parking lot is located directly adjacent to the emergency entrance off Rue Gauthier. The first two hours are free, and a maximum daily rate of approximately $7 applies. Payment kiosks are at the main entrance and in the Saint-Charles Pavilion. A parking coupon booklet is available from the Security Service for frequent visitors.
Are services available in English at Hôpital Honoré-Mercier?
Yes. Services at Hôpital Honoré-Mercier are available in both English and French. Patients who prefer to be served in English should not hesitate to make that request upon arrival.
What is the history of Hôpital Honoré-Mercier?
The hospital traces its roots to the Saint-Charles Hospital, which opened in 1902 as the first hospital in Saint-Hyacinthe. The current building was constructed starting in 1928 and opened in 1930. The hospital is named for Honoré Mercier, the ninth Premier of Quebec. A new emergency room opened on April 26, 1994, and the ED was subsequently expanded and redesigned with Ministry of Health authorization in 2016 and 2018.
Emergency departments use triage. Patients with more serious conditions are seen first, regardless of arrival time.
Wait times are estimates based on Quebec health data. Actual wait times may vary.
We check our own accuracy. Forecasting two hours ahead, the ERstat estimate was typically off by 33 minutes against what hospitals themselves later posted, compared with 41 minutes for the hospital's own current figure, and was the closer of the two 58% of the time. See the full scorecard, or how we work the number out.
If you are experiencing a medical emergency, call 911 immediately.
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