Dandelion Three allergy clinics across the GTA, plus virtual care across Ontario
Dandelion Allergy Centre is a referral-based allergy, asthma and clinical immunology clinic for children and adults, with sites in Mississauga, North York and Milton. All three clinics are by appointment only, with no walk-ins, and every service we offer is available at each one.
Our clinics
Mississauga
1550 South Gateway Rd, Unit 237 to 238Mississauga, ON L4W 5G6
North York
1275 Finch Ave W, Unit 501 (5th floor)North York, ON M3J 0L5
Not near a clinic? We see patients across Ontario
Our virtual allergy clinic serves patients all over Ontario. When in-person testing or blood work is needed, the team can arrange it locally.
Virtual allergy clinic
A referral is still required. Learn how virtual visits work and who they suit.
About the virtual clinicHow to get an appointment
For patients
Patients cannot refer themselves. Ask your family doctor or a walk-in clinic to fax a referral to 416 850 9993. We then contact you directly to book, and you can say which location suits you.
How referrals workFor physicians
Referring a patient? Read the referral guide, or send the referral through our online form for licensed physicians.
Last updated: October 2026Prepared by: Dandelion Allergy CentreGeneral information only, not medical advice. Your allergist's instructions take priority over anything on this page.