Dr. Negin Mastouri
MD, MSc, CCFP
Negin Mastouri is a family doctor, board certified by the College of Family Physicians of Canada, deeply committed to holistic and wellness-oriented patient care. As a co-founder and co-CEO of the Canadian Endocrine Institute, she leverages her extensive training and passion for lifestyle modification to guide her patients toward healthier and more fulfilling lives. Her leadership is instrumental in guiding the clinic’s strategic direction.
With over two decades of experience in medicine, Dr. Mastouri completed her residency at the prestigious University of Toronto and holds a clinical fellowship in Hospital Medicine. A Fellow in Metabolic and Nutritional Medicine and a member of the American Academy of Anti-Aging Medicine, she employs a comprehensive approach to healthcare. Dr. Mastouri focuses on lifestyle medicine, which involves using evidence-based lifestyle interventions to help manage weight, combat obesity, and prevent chronic health conditions.
She also addresses menopause management and aesthetic medicine, dedicating her practice to helping her clients achieve their best selves through personalized, preventive, and predictive care. Additionally, she enriches the medical community as an Assistant Professor at McMaster University, where she shares her knowledge and experience with the next generation of medical professionals. Dr. Mastouri practices family medicine at a separate office in West Toronto where she continues to provide comprehensive medical care to her patients.
Dr. Negin Mastouri
MD, MSc, CCFP
Negin Mastouri is a family doctor, board certified by the College of Family Physicians of Canada, deeply committed to holistic and wellness-oriented patient care. As a co-founder and co-CEO of the Canadian Endocrine Institute, she leverages her extensive training and passion for lifestyle modification to guide her patients toward healthier and more fulfilling lives. Her leadership is instrumental in guiding the clinic’s strategic direction.
With over two decades of experience in medicine, Dr. Mastouri completed her residency at the prestigious University of Toronto and holds a clinical fellowship in Hospital Medicine. A Fellow in Metabolic and Nutritional Medicine and a member of the American Academy of Anti-Aging Medicine, she employs a comprehensive approach to healthcare. Dr. Mastouri focuses on lifestyle medicine, which involves using evidence-based lifestyle interventions to help manage weight, combat obesity, and prevent chronic health conditions.
She also addresses menopause management and aesthetic medicine, dedicating her practice to helping her clients achieve their best selves through personalized, preventive, and predictive care. Additionally, she enriches the medical community as an Assistant Professor at McMaster University, where she shares her knowledge and experience with the next generation of medical professionals. Dr. Mastouri practices family medicine at a separate office in West Toronto where she continues to provide comprehensive medical care to her patients.
Empowering Sustainable Change for Obesity & Metabolic Health
If you are living with Obesity, Type 2 Diabetes, PCOS, Fatty Liver, high Cholesterol and Triglyceride (Dyslipidemia), high Blood Pressure or other Cardiovascular risk factors, our Lifestyle Medicine Program offers a structured, evidence-based approach to help you take control of your health rooted in medical guidance, practical tools, and expert referrals.
Led by Dr. Negin Mastouri, a family physician with advanced expertise in metabolic health, this program focuses on addressing the underlying causes of chronic disease using sustainable, lifestyle-centered strategies. Dr. Mastouri conducts a thorough clinical assessment, then creates a personalized care plan that may include direct interventions, as well as referrals to appropriate experts such as registered nutritionist and dietitian, kinesiologist, or mental health professionals.
Our Six Pillars of Lifestyle Medicine:
- Nutrition: Whole-food, personalized strategies to support weight loss and metabolic repair
- Physical Activity: Safe, individualized movement plans to promote strength, mobility, and stamina
- Sleep Health: Improving sleep quality, duration, and recovery for optimal hormonal and metabolic function
- Stress Management: Mind-body approaches to reduce cortisol and improve emotional resilience
- Social Support: Encouraging connection, accountability, and motivation
- Substance Reduction: Guidance on minimizing alcohol, tobacco, and environmental toxins
Dr. Mastouri provides ongoing support and coordinates referrals to trusted specialists, ensuring each patient receives the multidisciplinary care needed to succeed.
This program is ideal for patients looking to:
Achieve sustainable weight loss
Improve insulin sensitivity and reverse metabolic dysfunction
Manage PCOS and hormone-related symptoms
Address non-alcoholic fatty liver disease (NAFLD)
Navigate menopause with better energy, weight control, and emotional balance
Reduce long-term cardiovascular risk through lifestyle intervention
Lifestyle consultations are covered by OHIP.
Patients can ask their primary care provider to fax a referral to 289-622-1123.
Dr. Negin Mastouri
MD, MSc, CCFP
Negin Mastouri is a family doctor, board certified by the College of Family Physicians of Canada, deeply committed to holistic and wellness-oriented patient care. As a co-founder and co-CEO of the Canadian Endocrine Institute, she leverages her extensive training and passion for lifestyle modification to guide her patients toward healthier and more fulfilling lives. Her leadership is instrumental in guiding the clinic’s strategic direction.
With over two decades of experience in medicine, Dr. Mastouri completed her residency at the prestigious University of Toronto and holds a clinical fellowship in Hospital Medicine. A Fellow in Metabolic and Nutritional Medicine and a member of the American Academy of Anti-Aging Medicine, she employs a comprehensive approach to healthcare. Dr. Mastouri focuses on lifestyle medicine, which involves using evidence-based lifestyle interventions to help manage weight, combat obesity, and prevent chronic health conditions.
She also addresses menopause management and aesthetic medicine, dedicating her practice to helping her clients achieve their best selves through personalized, preventive, and predictive care. Additionally, she enriches the medical community as an Assistant Professor at McMaster University, where she shares her knowledge and experience with the next generation of medical professionals. Dr. Mastouri practices family medicine at a separate office in West Toronto where she continues to provide comprehensive medical care to her patients.
Dr. Negin Mastouri
MD, MSc, CCFP
Negin Mastouri is a family doctor, board certified by the College of Family Physicians of Canada, deeply committed to holistic and wellness-oriented patient care. As a co-founder and co-CEO of the Canadian Endocrine Institute, she leverages her extensive training and passion for lifestyle modification to guide her patients toward healthier and more fulfilling lives. Her leadership is instrumental in guiding the clinic’s strategic direction.
With over two decades of experience in medicine, Dr. Mastouri completed her residency at the prestigious University of Toronto and holds a clinical fellowship in Hospital Medicine. A Fellow in Metabolic and Nutritional Medicine and a member of the American Academy of Anti-Aging Medicine, she employs a comprehensive approach to healthcare. Dr. Mastouri focuses on lifestyle medicine, which involves using evidence-based lifestyle interventions to help manage weight, combat obesity, and prevent chronic health conditions.
She also addresses menopause management and aesthetic medicine, dedicating her practice to helping her clients achieve their best selves through personalized, preventive, and predictive care. Additionally, she enriches the medical community as an Assistant Professor at McMaster University, where she shares her knowledge and experience with the next generation of medical professionals. Dr. Mastouri practices family medicine at a separate office in West Toronto where she continues to provide comprehensive medical care to her patients.
Do you need any help?
Curious if lifestyle medicine could change your health journey?
(289) 622-1122