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Walk-In Clinics in Markham, Ontario

ClinicFinder lists 41 walk-in clinics in Markham. Of these, 6 offer same-day appointments, 4 are open until 8 PM or later and 26 are open on weekends. Top rated, weighing the rating against the number of reviews: Health Nexus Walk-in Clinic (4.8/5 from 59 Google reviews).

Walk-In Clinics
41 clinics

Latest listing check September 2026

Need care outside office hours?

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

About walk-in clinics in Markham

10%of clinics open past 8 PM
22%of clinics open on Sundays
3.6average patient rating

ClinicFinder lists 41 walk-in clinics in Markham, with the largest group in Wismer Commons. 25 list Saturday hours and 9 are open on Sundays. The average patient rating is 3.6 out of 5, and 9 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 41 walk-in clinics in Markham and its neighbourhoods, A to Z

Neighbourhoods:Wismer Commons

Questions about walk-in clinics in Markham

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

How do I know if a walk-in clinic in Markham 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 Markham has the highest rating?

Among walk-in clinics in Markham with at least 10 Google reviews, Markhamack OTN Walk-In Clinic has the highest rating: 5/5 from 12 Google reviews.

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

Yes. 26 of the 41 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 Markham?

The average patient rating for walk-in clinics in Markham is 3.6/5 based on 41 rated clinics.

Which areas of Markham have walk-in clinics?

The walk-in clinics listed in Markham include some in Wismer Commons. 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 Markham?

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 Markham?

Yes. Walk-in clinic doctors in Markham 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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