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What do we do?

Our interdisplinary team takes a mind body approach to understand what is happening bioliogially and psychologically, to find the root cause of your health concerns. Our Naturopathic Doctors combine modern lab testing with lifestyle changes and natural medicines. Our Psychotherapist use evidence based tools like Cognitive behavioural therapy or Dialectical behavioural therapy. We even have a cutting-edge hypnotherapy technique for those looking new options. Our interdisplinary team takes a mind body approach to understand what is happening bioliogially and psychologically, to find the root cause of your health concerns. Our Naturopathic Doctors combine modern lab testing with lifestyle changes and natural medicines. Our Psychotherapist use evidence based tools like Cognitive behavioural therapy or Dialectical behavioural therapy. We even have a cutting-edge hypnotherapy technique for those looking new options.

Our Mission

Empower all our patients biologically and emotionally

Go beyond symptoms and optimize your health

Find the root cause of your health concerns


We are again very honoured to be rated one of the best naturopathic clinic Toronto and best naturopathic doctor Toronto by the Toronto Star Reader’s Choice Awards 2021.

The Power of Nature and Science

Our methods - 100% natural and based on up to date science. It's perfect union between modern medicine and traditional healing.

All about Diet and Lifestyle

Our Conviction - The foundations of health are built on good diet, exercise, sleep and mental health. We show you the way to get started and sustain great health.

Let's face it, the path to health can be long and often confusing, but with our years of experience and success we will help you find your path to health

Call to book your free meet and greet

Exceptional Customer Care

We take pride in our customer care and give all patients direct email access to our Naturopathic Doctors.

Our Team

Dr. Joseph Steyr

Naturopathic Doctor
Dr. Joseph Steyr is a Naturopathic Doctor, Co-Founder and the Medical Director at Greystones Health. ...


Dr. Steyr uses a functional medicine approach in his practice, meaning he looks for the root cause of the health concern in order to provide a deep and long lasting solution for his patients. Dr. Steyr has extensive additional training in the science of functional medicine and is regularly reviewing current medical research. He sees his career as the perfect union between modern medicine and traditional knowledge. He brings a blend of conventional medical sciences and traditional health philosophies into his practice, which allows him to see a person’s health from multiple points of view.


He sees himself not only as a doctor, but also as an educator – with so much conflicting medical information, he educates his patients on all treatment options to ensure he and his patients can make the best informed decisions together for the patients’ health.


Dr. Steyr treats a variety of conditions such as fertility and hormone regulation, stress, endometriosis, menstrual irregularities, mental health, low energy, depression, anxiety, IBS, food intolerances, digestive problems, and men’s health conditions.


An initial appointment with Dr. Steyr includes an in-depth medical history, a physical examination, review of recent lab tests (or the discussion about future lab testing), and an individualized treatment plan. Dr. Steyr works in a team approach with our nutritionist to help ensure patients have the dietary supported needed to achieve success with their treatment plan. While Dr. Steyr may use nutritional supplements to help boost a patient’s recovery time, his real emphasis is on dietary and lifestyle changes that will help support healing for the long-term.


Dr. Steyr is a graduate of Canadian College of Naturopathic Medicine and is registered with the College of Naturopaths Ontario.

Michelle Heighington

Registered Holistic Nutritionist, Certified Holistic Cancer Practitioner
Michelle Heighington is a Registered Holistic Nutritionist, and is a Co-Founder and the Medical ...


Co-ordinator at Greystones Health. A graduate of the Canadian School for Natural Nutrition and the University of Toronto’s medical anthropology specialist program, Michelle has counselled clients with a wide variety of medical conditions such as diabetes, food allergies, women’s health issues, endometriosis, fertility, and digestive tract disorders. She has also worked with many people to overcome health issues related to chronic stress.


Michelle develops nutrition plans that can include a meal plan but goes above and beyond this to consider all aspects of a person’s health. She works as part of a team approach with our naturopathic doctors by implementing dietary advice to help support treatment plans. As the Medical Co-ordinator she is a point of contact for patients who have questions or need additional support or encouragement during their treatment phase.

Dr. Julia Segal

Naturopathic Doctor
Dr. Segal is a Naturopathic Doctor with an interest in women’s health, digestion and the immune system. ... She enjoys working with people at every level of their health, particularly through periods of change, growth and stress which both create challenge and build resilience. She has a particular interest in:

-Pregnancy and postpartum

-Women's health concerns including menstrual concerns, PCOS and endometriosis, as well as menopause


-Thyroid health and hormone balance

- Gastrointestinal health: GERD, acid reflux, IBS, IBD, SIBO, SIFO, chronic constipation, Crohn’s, colitis, food intolerances

-Immune health

-Autoimmune conditions

Having worked in both medical and dental settings integratively, Julia has spoken on inter-professional panels and collaborated in the integrative treatment of a wide variety of patients. She also teaches at the Canadian College of Naturopathic Medicine. Striving to address the individual rather than the disease, Julia sees herself as a detective for the root cause. Her approach synergizes botanical medicine, nutrition, TCM and Ayurvedic approaches, homeopathy, Bowen Therapy and counselling. Treatment is based upon an integrative health assessment that blends Western and Eastern medicine and allows her client’s voice to be heard. Julia`s objective is to enable patients to restore and maintain true well-being, both by helping them remove the obstacles to health and by utilizing the best of natural medicine. Julia is a graduate of the Canadian College of Naturopathic Medicine (CCNM), and is licensed with the College of Naturopaths of Ontario. She has a bachelor of science in Biological Psychology from the University of British Columbia. She is also a certified postpartum professional and works with pregnant and new moms to support their healing and adjustment to motherhood. Julia is fluent in Russian (spoken and written).

Dr. Julia Segal’s hours at Greystones Health:

Monday 10:30am to 3pm Wednesday 11:00am to 7pm Sundays – available upon request. Please contact us for more details

Dr. Sayyed Mohsen Fatemi, Ph.D

Dr. Sayyed Mohsen Fatemi completed his postdoctoral studies in the department of psychology at Harvard ... University where he has also served as a Teaching Fellow, an Associate, and a Fellow. His publications appear in Springer, Wiley, Templeton Press, Routledge, Cambridge University Press, Oxford University Press, Lexington publication, Roman & Littlefield, Palgrave McMillan, American Psychiatric Association, and Journals such as APA's Journal of Theoretical and Philosophical Psychology and International Journal of Clinical and Experimental Hypnosis. In addition to teaching at Harvard, he has also taught for the department of psychology at the University of British Columbia, Western Washington University, University of Massachusetts in Boston, University of Toronto, York University, Endicott College, and Boston Graduate School of Psychoanalysis. He brings mindfulness in his psychological and therapeutic interventions and has run training and coaching programs for clinicians, practitioners and corporate people in North America, Europe and overseas. He has practiced psychotherapy and hypnotherapy for more than a decade.Some of his treatment areas of work include mindful hypnotherapy, relationship problems, stress management, relationship management, creative thinking, self-revitalization, anxiety management, OCD, mindful hypnotherapy, depression, PTSD, performance enhancement, smoking cessation, and stage fright. Dr. Fatemi is the recipient of the Ellen Langer international Mindfulness Award and is an active member of the APA with numerous presentations at APA annual meetings. Dr. Fatemi is also an adjunct faculty member in the Graduate Program in Psychology in the department of psychology at York University, Canada. He has supervised both master and doctoral students for their research projects and dissertations. He has run workshops and seminars across the USA, Canada and Overseas.

Dr. Francesca Reis

Naturopathic Doctor
Dr. Reis decided to pursue a career in medicine to help as many people as she can achieve and maintain ... healthy lives. She believesthat health is truly wealth, and that our lives are more enjoyable when we are in a state of optimal health. She has combined training as both a medical doctor and naturopathic doctor and considers it a privilege to be able to use this knowledge to help those who need it. One of her main areas of interest is in digestive health, because in addition to issues such as gas and bloating, poor digestive health can lead to other conditions in the body such as eczema, fatigue, and mood disturbances, which can have an impact on overall health. Some examples of the conditions she treats include
  • Heartburn
  • IBS
  • Crohn’s disease
  • Ulcerative colitis
  • gastric ulcers
  • food intolerances.
  • women’s health concerns (PMS, PCOS, and menopause)
  • weight loss
  • anxiety
  • skin issues such as eczema.
Through evidence-based research, she helps patients using diet and lifestyle changes, herbs, acupuncture, and supplements. She creates personalized treatment plans and provides education for her patients, but she also believes in patients taking an active role in their own health journey, as this helps ensure better and lasting outcomes. She looks forward to working with you on your path to a healthier life! Dr. Reis is a licensed Naturopathic Doctor, licensed through the College of Naturopaths of Ontario, and a member of the Canadian Association of Naturopathic Doctors (CAND), and the Ontario Association of Naturopathic Doctors (OAND).She has a BSc (honours) in Chemistry from the University of Central Oklahoma, as well as an MD degree from St. George’s University of London in the UK.

Montana Vascotto

Registered Psychotherapist (Qualifying)
Acting as a compassionate culturally sensitive, client-centered therapist, Montana's goal is to establish an .. ... environment of stability, trust, safety, and non-judgement. I have a genuine interest in humankind, alongside a passion for mental health advocacy. While no one questions a physical ailment that is addressed when it persists to cause injury, mental health challenges that are similarly debilitating, are less often prioritized, and addressed in primary care. Consequently, many may suppress and hide their struggle to function. As Ernest Hemingway so articulately wrote: “you are so brave and quiet I forget you are suffering”. Choosing to pursue therapy is no less brave than silencing the suffering. Therapy is a way to release and understand the internal conflict that can cycle within your thoughts, unresolved. Reigning in these bothersome symptoms will help in better functioning, and in fact, flourishing, thereby increasing your feelings of well being. The past two years have been especially taxing for all of us, leaving many of us feeling stalled in our previous trajectories, and perhaps struggling to navigate the financial, emotional, and mental challenges that have emerged. This can make it feel like reaching your potential is less achievable. My focus will be to assist you in discovering and nurturing your strengths so that you are better able to take charge of the areas of your life that feel challenging. Alongside skills-building, there will also be a space to identify your blind spots, or areas of growth. Each person’s path to realizing their potential is unique to them. Hence, your journey to well-being will evolve specific to you! Together we will explore and utilize appropriate approaches that may include one or more therapies: for example, cognitive Behavioural Therapy (CBT); Dialectical Behavioural Therapy (DBT); Skills Training in Affective and Interpersonal Regulation (STAIR) Narrative Therapy; or Solution-focused Therapy. I will draw from previous experience in clinical settings at the Thompson Anxiety Clinic at Sunnybrook Health Sciences; Mental Health Department at North York General Hospital; and the Cognition and Psychopathology research lab at Ryerson University, to provide a safe and comfortable environment for you, and to assist you in reaching a positive outcome. If you feel like you are functioning, but not really flourishing; let’s get started! Some areas of concern we can address are:
  • Mood and Depression
  • Anxiety Disorders
  • Stress Management
  • PTSD and Trauma
  • Grief and loss
  • Self esteem challenges
  • Eating disorders
  • weight loss
  • Qadriy

    Weekend Medical Receptionist
    Qadriy works as the Front Desk Receptionist at the clinic and loves to be able to interact with the patients. ... She has over 3 years of experience working as a receptionist and understands the importance of making sure patients feel welcomed and comfortable at the clinic. She is currently a fourth year student at the University of Toronto studying Health and Disease, Nutritional Sciences & Immunology. After completing her undergraduate degree, Qadriy looks forward to pursuing a medical degree in paediatric neurology. When she’s not working or studying you can usually find her cycling, cooking, and traveling.


    Medical Receptionist
    Sophie takes pride in providing the best customer care possible and brings years of customer service ... experience to her role as a receptionist. Sophie's interests outside of work include music and learning about socio-environmental justice and other cultures.

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    September 2022
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    Located in Downtown Toronto

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