Our Team

  • Sheila McKenzie, ​RDH, PhD, IMD, OMT

    Doctorate in Integrative Medicine, Registered Dental Hygienist, Orofacial Myologist and Doctorate Orthomolecular Medicine.​

    Education Profile:
    Graduated from Jamaica Ministry of Health Dental Program and the Durham College of Applied Arts and Technology.

    Bachelor of Science degree in Oral Health promotions from the O’Hehir University, Doctor of Homeopathic Medicine and Sciences (DHMS) from the Hahnemann College of Homeopathic Medicine –Toronto, Canada,
    Diploma in Acupuncture the Occidental Institute, Medical Acupuncture at the Bio-medical Acupuncture institute in Colorado.,
    Laser therapy certification TheraLase Canada, Diploma in pain management from the Pan-American Institute of Natural Science, Homotoxicology at the International Academy of Homotoxicology, Bio-puncture at Bio-Med Canada, International Medicine seminars and workshops at the Institute of International Medicine-University of Missouri. I contributed to several Ph.D. doctoral fellowship research for both the University of Humanitarian Medicine research program and Quantum University of Integrative Medicine.

    Professional licenses and Registrations

    College of Dental Hygienists of Ontario

    Ontario Dental Hygienists Association

    ​Board of Integrative Medicine

    MYO-DYN-International Orofacial Myologists.

  • Dr. Garry Kotack,​ B.Sc., DDS, F(ANM)

    Doctor of Dental Surgery

    Practice focus: Wellness Based Dentistry

    Education Profile:
    Dr. Garry Kotack graduated from the University of Toronto, Faculty of Dentistry in 1976. He earned a Fellowship of Applied Nutritional Medicine Education with Clayton University. Dr. Kotack is an active member of the Ontario Dental Association and Canadian Dental Association. In 1985 he was awarded a fellowship of the Academy of General Dentistry. Dr. Kotack was the former chief of dentistry at Whitby General Hospital and received a 30 year service award from Lakeridge Health Centre for his in-hospital dental surgeries.

    He has been active in several dental study clubs and continues to take intensive courses in all aspects of dentistry, as well as Integrative and Natural Medicine.

    “I have a passion for excellence in dentistry and for the overall general wellness of my patients” says Dr. Kotack.

    He has been in private practice in Oshawa for over 30 years prior to joining the Integrative Health Group.

    ​Professional licenses and Registrations:

    Royal College of Dental Surgeons of Ontario

    Ontario Dental Association

    Board of Integrative Medicine.

  • Eugene Barnswell, D.O (EU), B.Sc., DNM

    Manual Osteopathic Practitioner

    Practice focus: Holistic approach and expertise in musculoskeletal issues and chronic pain. Combines traditional osteopathic techniques with natural medicine practices, focusing on body balance, wellness, and preventive care. His practice emphasizes empowering patients for long-term health through a blend of hands-on therapy and holistic health strategies.

    Education Profile:

    Eugene Barnswell is an accomplished professional with a comprehensive educational background in the field of health sciences and alternative medicine. His academic journey is marked by several significant qualifications from prestigious institutions, reflecting his dedication to his field.


    Diploma in Osteopathic Manual Therapy
    Institution:
    National Academy of Osteopathy
    Details: Following his undergraduate education, Eugene pursued a specialization in Osteopathic Manual Therapy. This program offered him in-depth practical and theoretical training in osteopathic techniques, emphasizing hands-on treatment methods to alleviate various musculoskeletal disorders.
    Year of Graduation: 2018

    Bachelor of Science (B.Sc.)

    Institution: National University of Health Sciences
    Year of Graduation: 2019

    Field of Study: This degree provided Eugene with a solid foundation in health sciences, equipping him with the essential knowledge and skills necessary for his advanced studies in osteopathy and natural medicine.

    Doctorate in Osteopathy (D.O.) (E.U)
    Institution: National University of Medical Sciences

    Year of Graduation: 2022

    Focus: Eugene's doctoral studies focused on advanced osteopathic medicine principles and practices. This rigorous program provided him with extensive knowledge and clinical experience, enabling him to diagnose and treat a wide range of conditions with osteopathic techniques.

    Awarding Bodies: Board of Natural Medicine Doctors & Practitioners & Certification as a Doctor of Natural Medicine (DNM)

    Year of Certification: 2021

    Details: Eugene expanded his expertise by obtaining certification as a Doctor of Natural Medicine. This credential signifies his proficiency in utilizing natural, non-invasive therapies and holistic approaches to promote wellness and treat health conditions.

    Doctor of Humanitarian Services (DHS)Awarding Body: World Organization of Natural Medicine

    Year of Award: 2021