Walk-in clinic · Mississauga, ON · Open now · until 7 PM
Hours: Mon to Wed 10 AM to 7 PM; Thu, Fri 9 AM to 9:30 PM; Sat 10 AM to 3 PM; Sun closed. Walk-ins accepted. Phone (289) 521-8844.
400 Dundas Medical is a multi-specialty clinic in Mississauga, Ontario, offering walk-in care, family practice and an onsite lab. Walk-in visits require no appointment and cover minor illnesses and injuries, prescription renewals, vaccinations and travel medicine. It is open weekdays into the evening, with Thursdays and Fridays until 9:30 p.m. and Saturdays until 3 p.m., and its family doctors are accepting new patients.
In an emergency, call 911. Independent service, not affiliated with this clinic. Free nurse advice: 811.
| Monday | 10 AM to 7 PM |
| Tuesday | 10 AM to 7 PM |
| Wednesday | 10 AM to 7 PM |
| Thursday | 9 AM to 9:30 PM |
| Friday | 9 AM to 9:30 PM |
| Saturday | 10 AM to 3 PM |
| Sunday | Closed |
Hours from the clinic's own website.
Walk-ins accepted. Clinic wording: “We are now Accepting Walk In Patients! ... no appointment is needed.”
Accepting new patients.
Cooksville Landing Plaza, 400 Dundas St E, Unit 105A, Mississauga, ON L5A 1X5
Call (289) 521-8844 Fax 2895218845 Get directions Website
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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 Hours, walk-in policy and services were read from the clinic’s own website where one exists; if something here is out of date, the clinic’s site and phone line are the source of truth.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.