Dr. Heidi Wat is a Double-Board Certified Harvard-trained dermatologist who holds both a prestigious American Society for Dermatologic Surgery (ASDS)-accredited Fellowship in Cosmetic Dermatologic Surgery as well as an American College of Mohs Surgery (ACMS)-accredited Fellowship in dermatologic surgical oncology - the only dermatologist in Canada to achieve both distinctions. She specializes in the treatment of skin cancers as well as laser and cosmetic dermatology.