Joel Liem Medicine Professional Corporation is led by Dr. Joel Jonathan San Bing Liem, MD, FRCPC—a board-certified specialist in Clinical Immunology & Allergy and Pediatrics. The corporation is actively involved in clinical research and delivers care across a broad range of allergic and immunologic conditions. Dr. Liem is also known for contributing to academic publications and clinical trials in the fields of pediatric allergy and asthma.