Dr. Mark Fontes BSc, ND graduated from McMaster University with a Bachelor of Science (Honours).  During that time, Dr. Fontes’ interests and endeavours motivated him to pursue a career in naturopathic medicine.  He then began his studies at the Canadian College of Naturopathic Medicine (CCNM) in Toronto.

Dr. Fontes is board-certified in naturopathic cancer care and has received the FABNO (Fellow of the American Board of Naturopathic Oncology) designation, the highest standard of training in adjunctive naturopathic cancer care.

Dr. Fontes is a strong proponent of the integrative quality of naturopathic medicine in cancer care and has presented on a variety of topics including : Naturopathic Medicine:  an evidence based approach at the University of Toronto Medical School, and Pediatric Oncology:  Naturopathic Treatment and Case Reports at CCNM.  He has also been published several times in newspapers, journals, and magazines.

Dr. Fontes strives to incorporate the highest quality evidence available in naturopathic cancer care into his treatment plan for patients.  The goals of naturopathic cancer care are to improve overall survival, minimize the side effects of chemotherapy and radiation therapy safely and effectively, and improve quality of life for patients living with cancer.  Dr. Fontes communicates and works with his patients’ medical doctors, oncologists and other healthcare providers in order to ensure collaborative and patient-centered care.

In addition to private practice, Dr. Fontes currently sits as Chair of the Canadian Association of Naturopathic Doctors and is part-time clinic faculty at the Canadian College of Naturopathic Medicine.

Dr. Fontes is licensed to practice in Ontario under the College of Naturopaths of Ontario.  He is additionally certified in intravenous nutrient therapy and has completed extra training in this area.  Dr. Fontes is an active member of the:

  • Canadian Association of Naturopathic Doctors
  • Ontario Association of Naturipathic Doctors
  • Oncology Association of Naturopathic Practitioners


  • First, to do no harm

  • To cooperate with the healing powers of nature.

  • To address the fundamental causes of disease.

  • To heal the whole person through individualized treatment.

  • To teach the principles of healthy living and preventative medicine.