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Walk-In Clinics in Mississauga, Ontario

ClinicFinder lists 85 walk-in clinics in Mississauga. Of these, 22 offer same-day appointments, 26 are open until 8 PM or later and 70 are open on weekends. Top rated, weighing the rating against the number of reviews: Aboud Health Group - Medical, Lab, Pharmacy | Walk in Clinic Mississauga (4.7/5 from 766 Google reviews).

Walk-In Clinics
85 clinics

35 more clinics available. See all 85 in search.

Latest listing check September 2026

Need care outside office hours?

Walk-In Clinics in Mississauga that list evening and weekend hours.

If it is life-threatening, call 911 or go to the nearest emergency department.

Need a specific service?

Walk-In Clinics in Mississauga whose own websites say they offer it.

About walk-in clinics in Mississauga

31%of clinics open past 8 PM
25%of clinics open on Sundays
3.7average patient rating

ClinicFinder lists 85 walk-in clinics in Mississauga, with the largest group in Erin Mills. 69 list Saturday hours and 21 are open on Sundays. The average patient rating is 3.7 out of 5, and 18 clinics are rated 4.5 or higher.

Whether you need a routine check-up, a prescription renewal, or treatment for a minor illness or injury, the walk-in clinics listed here can help. Bring your Ontario health card and a list of your current medications, and call ahead if you are unsure about hours.

Before your visit

Bring your health card and medication list. Call ahead to confirm hours.

All 85 walk-in clinics in Mississauga and its neighbourhoods, A to Z

Neighbourhoods:Erin MillsCooksville

Questions about walk-in clinics in Mississauga

Answers from the listings above and Ontario's health plan.

How do I know if a walk-in clinic in Mississauga is accepting new patients?

Call ahead before you go. Clinics can stop accepting new or walk-in patients before their posted closing time, especially on busy days. The listings above show each clinic's phone number and today's hours, so you can check before making the trip.

Which walk-in clinic in Mississauga has the highest rating?

Among walk-in clinics in Mississauga with at least 10 Google reviews, Med Square Medical Centre (Walk-in and Accept new patients, Lab one site, Dermatologist, Cardiovascular & Dietitian) has the highest rating: 4.8/5 from 53 Google reviews.

Are there walk-in clinics open on weekends in Mississauga?

Yes. 70 of the 85 listings above that publish their hours are open on Saturday or Sunday. Check each listing for its weekend hours.

What is the average rating of walk-in clinics in Mississauga?

The average patient rating for walk-in clinics in Mississauga is 3.7/5 based on 85 rated clinics.

Which areas of Mississauga have walk-in clinics?

Walk-in clinics in Mississauga are listed in areas including Erin Mills, Cooksville. The neighbourhood links on this page show the clinics in each area.

Is walk-in clinic care covered by health insurance in Ontario?

OHIP covers medically necessary physician services at walk-in clinics. Children 17 and under and low-income seniors 65+ may qualify for dental care through provincial programs. Physiotherapy is covered for patients under 20, over 65, or within 12 months of hospital discharge. Full details are on the OHIP page.

Do I need a health card to visit a walk-in clinic in Mississauga?

Bring a valid Ontario health card. Without one, a clinic may charge for the visit or ask you to pay and claim it back later, and some may not see you. Call the clinic first to ask.

Can I get a prescription refill at a walk-in clinic in Mississauga?

Yes. Walk-in clinic doctors in Mississauga can write new prescriptions and refill existing medications. Bring a list of your current medications and dosages. Some controlled substances may need to be prescribed by your regular family doctor.

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