What if I cannot make my appointment? April 07, 2021 17:10 Updated Please contact us within 24 hours of your appointment by phone at 1-888-256-7043 or by email at hello@cannabisclinics.ca. Related articles How do I book a Virtual Care appointment? How long do I have to wait for an appointment? Do I need a doctor referral? Can I go to a pharmacy and pick up my authorized cannabis? Why Canadian Cannabis Clinics?