Toronto has three clinics including one downtown. Info is here.
https://www.toronto.ca/community-people/health-wellness-care/health-programs-advice/monkeypox/
The downtown location, Metro Hall, isn't that far from the gay village. Google maps will show you the way.
I went to the one on the east end and they weren't busy at all. It's also a clinic for covid shots and they seemed surprised someone came in for Monkeypox. I'm sure the downtown location is busier.