7 clinics · Ontario · 6 taking walk-ins
No clinic is open right now. The list shows when each opens next. 6 clinics confirm walk-ins. Queues can close early when full, so calling ahead is worth the minute.
In an emergency, call 911. Independent service, not affiliated with this clinic. Free nurse advice: 811.
574 Carlton St, Suite 5 · St Catharines
Closed · opens Friday 9 AM
This is a walk-in clinic that also functions as a family practice, located at the intersection of Bunting Road and Carlton Street in St Catharines.
209 Glenridge Ave, Unit 5 · St Catharines
Closed · opens Friday 9 AM
Walk-in clinic in St.
400 Scott St · St Catharines
Closed · opens Friday 9 AM
Grantham Medical Clinic is a walk-in clinic and family practice in St.
Walmart Pen Centre, 221 Glendale Ave · St Catharines
Hours not posted, call ahead
This MedCare Clinics location inside the Walmart Pen Centre in St.
387 Scott St, Unit A2C · St Catharines
Closed · opens Friday 8 AM
Walk-in clinic and family practice operating seven days a week with extended weekday hours into the evening and shorter weekend hours.
532 Lake St · St Catharines
Closed · opens Friday 9 AM
Walk-in urgent care clinic staffed by emergency and family physicians, seeing patients without appointments for a wide range of minor and urgent concerns.
Court Street Medical Centre, 9 Court St, Main Fl · St Catharines
Hours not posted, call ahead
None of the 5 clinics with posted hours stays open past 8 PM. After that, the options are a virtual visit, a pharmacist for minor conditions, or the ER.
387 Scott St, Unit A2C
209 Glenridge Ave, Unit 5
400 Scott St
532 Lake St
If the walk-in queue is full or closed, here’s the nearest emergency rooms — live where the hospital posts a wait, otherwise the typical range for that ER at this time.
Niagara Falls · 14 km
Welland · 20 km
Grimsby · 25 km
“Posted” is the hospital’s own live number; “typical” is ERstat’s modelled range from history. Emergencies belong in the ER regardless of the wait.
Need emergency care instead? Compare ER wait times in St Catharines, and in an emergency call 911.
Hours and walk-in policy come from each clinic’s own website and posted schedule where available, otherwise from the provincial directory. Open-now status is computed in local time.