Square One Medical Centre

Walk-in clinic · Mississauga, ON · Closed · opens Friday 9 AM

Hours: Mon to Fri 9 AM to 12:30 PM, 2:45 PM to 6 PM; Sat, Sun closed. Walk-ins accepted (Walk-in hours may vary due to holidays and physician availability). Phone (905) 848-4880.

Family medicine practice in Mississauga that also runs a walk-in clinic on weekdays, with walk-in hours split between morning and afternoon sessions. Walk-ins are not seen on weekends, though the clinic remains open those days for other scheduled services. The practice offers an in-house lab, maternity and women's health care, sexual health and STI testing, travel health advice, vaccinations, and telemedicine visits.

All walk-in clinics in Mississauga, open now first →

Walk-ins accepted Virtual visits
Before you go, check if a pharmacist can help Pharmacists in Ontario can prescribe on the spot for 22 conditions, including UTIs, cold sores and pink eye. Walk in, no appointment. No cost with a valid health card. Book a pharmacist visit See what pharmacists can treat →

Hours

Monday9 AM to 12:30 PM, 2:45 PM to 6 PM
Tuesday9 AM to 12:30 PM, 2:45 PM to 6 PM
Wednesday9 AM to 12:30 PM, 2:45 PM to 6 PM
Thursday9 AM to 12:30 PM, 2:45 PM to 6 PM
Friday9 AM to 12:30 PM, 2:45 PM to 6 PM
SaturdayClosed
SundayClosed

Walk-in hours may vary due to holidays and physician availability. These are the posted walk-in clinic hours; the clinic is also open for scheduled/other services Mon-Fri 9:00 AM-8:00 PM, Sat 9:00 AM-4:00 PM and Sun 9:00 AM-3:00 PM, but no walk-ins are seen on weekends.

Hours from the clinic's own website, checked 2026-10-03.

Getting seen

Walk-ins accepted. Clinic wording: “Walk-in Clinic Hours: Monday – Friday: 9:00 AM – 12:30 PM & 2:45 PM – 6:00 PM / Saturday & Sunday: No walk-ins”

Walk-in hours may vary due to holidays and physician availability.

Services

Walk-in visitsLab on siteChildren seenWomen's healthPrenatal careSTI testingTravel vaccinesFlu and COVID vaccinesPhysicals and formsChronic disease follow-upMinor injuriesSick notes and forms

Also offers virtual visits.

Contact & Directions

4175 Confederation Pkwy, Units 1 and 2, Mississauga, ON L5B 0H1

Call (905) 848-4880 Fax (905) 848-4882 Get directions Website

Other walk-in clinics near here

Other walk-in clinics in Mississauga

See every walk-in clinic in Mississauga →

Emergency? Compare ER wait times in Mississauga, or call 911.

Directory info from clinic_website, verified 2026-07-24. Details may have changed, call ahead to confirm. Hours, walk-in policy and services were read from the clinic’s own website where one exists; if something here is out of date, the clinic’s site and phone line are the source of truth. Report an issue with this listing.