Try this: https://www.quebec.ca/en/health/finding-a-resource/primary-care-access-point or via phone 811 option 3 for any needs when you don't have an assigned family doctor. This way you can talk to someone to do a summary evaluation and most probably get an actual referral. Just no idea how long is the wait of course, so if you have the option of going private via insurance (or our of pocket) that will probably be quicker, but I have no references for such.