Top Walk-In Clinics in Thornhill, Markham (2026)

We compared 3 clinics in Thornhill based on patient ratings, services, hours, and accessibility.

Nova Counseling Centre

★★★★★5(90 reviews)

7787 Yonge Street · (647) 556-2131

Walk-in Clinic

Alpha Labs - Markham - Yonge Street

★★★★★4.7(443 reviews)

7163 Yonge Street · (905) 597-5200

Walk-in Clinic

KMH Labs: Cardiology, Nuclear Medicine & MRI - Markham

★★★★☆4.2(276 reviews)

50 Minthorn Boulevard · (905) 855-1860

Walk-in Clinic

Walk-In Clinics in Thornhill

Thornhill is home to 3 walk-in clinics serving the local community. Most clinics offer walk-in appointments during weekday hours, with some providing extended evening or weekend availability.