You probably just walk in. One of the Chinese doc at IGA plaza (across Sheppard from Fairview Mall) hosts a walk-in clinic. He's good.
Sorry I don't have their names. I've not been seeing a real doc for many years... (knock on wood..)
诚征north york家庭医生，要求和蔼可亲，有求必应，最好在finch and donmil附近，谢谢。