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Dr. Ohayon completed his Pediatric residency training in 1996 and his fellowship in Allergy & Clinical Immunology, combined children and adults, in 1998.  Following his training, he worked as a consultant Pediatrician for the McMaster Children’s Hospital while establishing his consulting Allergy/Immunology practice.

He is a fellow of the Royal College of Physicians and Surgeons, both in Pediatrics and in Clinical Immunology and Allergy.  He is  as an Assistant Clinical Professor at McMaster University and is currently on staff at Hamilton Health Sciences and St. Joseph’s Hospitals.  

 Apart from his clinical duties, Dr. O. teaches medical learners in his office in the field of Allergy and Pediatrics.  He  teaches medical students at the McMaster DeGroote School of Medicine and is a member of educational committees. He contributes to local continuing medical education as an invited speaker.

Dr. Ohayon’s office participates in research including clinical trials in the field of allergy therapeutics for difficult to control allergic conditions. .

Dr. Ohayon maintains fellowship and memberships to  Ontario, Canadian, American and European Allergy societies.

Meet Dr. Jason Ohayon