Walk-in clinic · Mississauga, ON · Open now · until 8 PM
Hours: Mon to Fri 9 AM to 8 PM; Sat 9 AM to 2 PM; Sun 10 AM to 3 PM. Same-day appointments by phone. Phone (052) 324-0071.
Square One Health Group is a combined family practice and walk-in clinic in Mississauga that also has on-site dental, pharmacy and lab services. Walk-in patients are typically screened by phone first, and an in-person visit is booked if the doctor feels it's needed, with medical hours running weekday mornings through evening, Saturday mornings and Sunday afternoons. Services include minor injury care, prescription renewals, sick notes, physicals, flu shots and women's health concerns such as pelvic exams and birth control.
In an emergency, call 911. Independent service, not affiliated with this clinic. Free nurse advice: 811.
| Monday | 9 AM to 8 PM |
| Tuesday | 9 AM to 8 PM |
| Wednesday | 9 AM to 8 PM |
| Thursday | 9 AM to 8 PM |
| Friday | 9 AM to 8 PM |
| Saturday | 9 AM to 2 PM |
| Sunday | 10 AM to 3 PM |
Medical/walk-in hours differ from the separate dental hours listed on the site; walk-in hours shown above are the medical clinic hours.
Hours from the clinic's own website, checked 2026-09-03.
Same-day appointments by phone. Clinic wording: “we encourage all walk-in patients to make an appointment, even if it is a same day appointment as most of our physicians are serving the community by offering telephone appointments for walk-in patients”
Accepting new patients.
Pharmacy: On-site pharmacy operated by Square One Health Group.
Also offers virtual visits.
411 Burnhamthorpe Rd W, Mississauga, ON L5B 0J5
Mississauga · 1.5 km away
Closed · opens Tuesday 10 AM
Mississauga · 1.8 km away
Closed · opens Tuesday 9:30 AM
Mississauga · 2.3 km away
Closed · opens Tuesday 9 AM
Mississauga · 4.0 km away
Closed · opens Tuesday 9 AM
Mississauga · 4.1 km away
Open now · until 7 PM
Cooksville Landing Plaza, 400 Dundas St E, Unit 105A · Mississauga
Open now · until 7 PM
400 Dundas Medical is a multi-specialty clinic in Mississauga, Ontario, offering walk-in care, family practice and an onsite lab.
Parkside Village, 4062 Confederation Pkwy · Mississauga
Open now · until 9 PM
This Appletree Medical Centre in Mississauga is a walk-in and family medicine clinic that also offers select specialty services such as well-baby visits, Pap testing and wart treatment.
170 Queensway W, Suite 112 · Mississauga
Open now · until 7 PM
This Appletree location combines a walk-in clinic with a family practice inside a multi-tenant building that also has a pharmacy and dental office.
1100 Dundas St W, Units 7-8 · Mississauga
Closed · opens Tuesday 11 AM
Walk-in medical clinic in Mississauga that also serves family practice patients, with a pharmacy next door.
6405 Erin Mills Pkwy, Unit A-01 · Mississauga
Closed · opens Tuesday 9 AM
BritCare Medical Clinic in Mississauga is a family practice that also runs walk-in services during its regular hours, Monday to Saturday from 9 a.m.
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.