Dr. Johnna MacCormick has joined HGH’s medical team in 2025.

Background

• MD, Dalhousie University (1988)
• Residency, Otolaryngology – Head & Neck Surgery, Dalhousie University (1991–1995)
• Fellowship, Pediatric Otolaryngology, SUNY Buffalo (1995–1996)

Memberships

• Royal College of Physicians and Surgeons of Canada
• American Academy of Otolaryngology – Head & Neck Surgery
• Canadian Society of Otolaryngology – Head & Neck Surgery
• Canadian Medical Association
• Ontario Medical Association

Types of treatments

• Pediatric ear, nose, and throat care
• Ear infections & hearing loss
• Pediatric airway & breathing disorders, including sleep-disordered breathing
• Tonsil and adenoid disease
• Pediatric sinusitis
• Cleft palate & velopharyngeal insufficiency
• Congenital & acquired head and neck conditions

Service for healthcare

• You must first contact CHEO for a consultation
• Consultations are performed at CHEO.
• Surgical procedures are performed at HGH and CHEO.

For healthcare professionals

• Please refer patients to CHEO.