Health Professionals in Ontario

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Photo of Diana Ghidanac, Nutritionist/Dietitian
Diana Ghidanac
Nutritionist/Dietitian
Online Only
Diana is a Registered Dietitian based in Toronto. She has completed clinical training at SickKids Hospital and is currently pursuing a PhD in Nutritional Sciences at U of T. Her research focuses on the effects of soy on cardiovascular health. Diana is passionate about preventative health and providing clear and reliable, science-backed information that can turn into actionable tools to help clients achieve their health goals. She empowers clients to feel in control of their own health through a collaborative and individualized approach that considers current lifestyle habits, cultural background and medical history
Diana is a Registered Dietitian based in Toronto. She has completed clinical training at SickKids Hospital and is currently pursuing a PhD in Nutritional Sciences at U of T. Her research focuses on the effects of soy on cardiovascular health. Diana is passionate about preventative health and providing clear and reliable, science-backed information that can turn into actionable tools to help clients achieve their health goals. She empowers clients to feel in control of their own health through a collaborative and individualized approach that considers current lifestyle habits, cultural background and medical history
(437) 372-5331 View (437) 372-5331
Photo of Anna Prestia, Nutritionist/Dietitian, RD
Anna Prestia
Nutritionist/Dietitian, RD
Mississauga, ON L5B
Accepting NEW patients-next day appts available for phone & video sessions. I have 20+ years experience as a RD with a wide range of experiences. I specialize in infant, pediatric & adult nutrition with people 0-99. I am well-versed in all chronic & acute diseases including cancer, diabetes, infant feeding/introducing solids/picky eating, eating disorders, weight management, IBS, GI issues & allergies. I have worked extensively in acute care hospital settings, as well as in outpatient clinics & private practice. I offer practical guidance that builds confidence, supports symptoms, and strengthens a positive relationship with food.
Accepting NEW patients-next day appts available for phone & video sessions. I have 20+ years experience as a RD with a wide range of experiences. I specialize in infant, pediatric & adult nutrition with people 0-99. I am well-versed in all chronic & acute diseases including cancer, diabetes, infant feeding/introducing solids/picky eating, eating disorders, weight management, IBS, GI issues & allergies. I have worked extensively in acute care hospital settings, as well as in outpatient clinics & private practice. I offer practical guidance that builds confidence, supports symptoms, and strengthens a positive relationship with food.
(365) 398-0757 View (365) 398-0757
Photo of Anna Prestia, Nutritionist/Dietitian, RD
Anna Prestia
Nutritionist/Dietitian, RD
1 Endorsed
Oakville, ON L6J
Accepting NEW patients-next day appts available for phone & video sessions. I have 20+ years experience as a Registered Dietitian with a wide range of experiences. I specialize in infant, pediatric & adult nutrition for people 0-99. I am well-versed in all chronic and acute diseases including cancer, diabetes, eating disorders, infant feeding/introducing solids/picky eating, fad diets (keto), weight management, IBS, and more. I have worked in acute care hospital settings, outpatient clinics & private practice. I offer practical guidance that builds confidence, supports symptoms, and strengthens your relationship with food.
Accepting NEW patients-next day appts available for phone & video sessions. I have 20+ years experience as a Registered Dietitian with a wide range of experiences. I specialize in infant, pediatric & adult nutrition for people 0-99. I am well-versed in all chronic and acute diseases including cancer, diabetes, eating disorders, infant feeding/introducing solids/picky eating, fad diets (keto), weight management, IBS, and more. I have worked in acute care hospital settings, outpatient clinics & private practice. I offer practical guidance that builds confidence, supports symptoms, and strengthens your relationship with food.
(289) 302-8389 View (289) 302-8389
Photo of Norine Khalil, Nutritionist/Dietitian, MSc, RD
Norine Khalil
Nutritionist/Dietitian, MSc, RD
Oakville, ON L6H
If you've been struggling with feeling okay, but wanting to feel great, you've come to the right place. Hello! My name is Norine and I'm a Registered Dietitian and nutrition consultant. I have a strong passion for supporting those who are struggling with creating a personalized version of "healthy eating" in finding their happy place with food. Whether you're struggling with a recently diagnosed chronic disease, going through a life transition, or feeling a complete lack of energy and motivation, my goal is to support you on a path to better health.
If you've been struggling with feeling okay, but wanting to feel great, you've come to the right place. Hello! My name is Norine and I'm a Registered Dietitian and nutrition consultant. I have a strong passion for supporting those who are struggling with creating a personalized version of "healthy eating" in finding their happy place with food. Whether you're struggling with a recently diagnosed chronic disease, going through a life transition, or feeling a complete lack of energy and motivation, my goal is to support you on a path to better health.
(289) 302-0467 View (289) 302-0467
Photo of Lise Leahy, Nutritionist/Dietitian, RD, CDE, BScFdSc
Lise Leahy
Nutritionist/Dietitian, RD, CDE, BScFdSc
1 Endorsed
Peterborough, ON K9H
Parents worry that their child is not getting the nutrition needed for healthy growth . A wide range an issues can cause children to lack proper nutrition: selective eating, food aversions, medical issues impacting digestion, ability to swallow, reflux, food intolerances and allergies, eating disorders, ASD and limited food repertoire. Do you have a baby with feeding issues? Are mealtimes stressful at your house ? Do you just want to be able to sit down and enjoy a meal with your children?
Parents worry that their child is not getting the nutrition needed for healthy growth . A wide range an issues can cause children to lack proper nutrition: selective eating, food aversions, medical issues impacting digestion, ability to swallow, reflux, food intolerances and allergies, eating disorders, ASD and limited food repertoire. Do you have a baby with feeding issues? Are mealtimes stressful at your house ? Do you just want to be able to sit down and enjoy a meal with your children?
(249) 294-0597 View (249) 294-0597
Photo of Jean LaMantia, Nutritionist/Dietitian, BASc, RD
Jean LaMantia
Nutritionist/Dietitian, BASc, RD
Online Only
You’re looking for a dietitian who truly listens. You want space to explain what you’ve tried, what worked, and what didn’t—without being rushed or dismissed. You may be dealing with something complex, like cancer, lymphedema, or lipedema, and want guidance that makes sense for your body and your situation. You don’t want a generic plan—you want to understand why recommendations matter so you can make confident choices. I help you turn confusion into a clear, practical app
You’re looking for a dietitian who truly listens. You want space to explain what you’ve tried, what worked, and what didn’t—without being rushed or dismissed. You may be dealing with something complex, like cancer, lymphedema, or lipedema, and want guidance that makes sense for your body and your situation. You don’t want a generic plan—you want to understand why recommendations matter so you can make confident choices. I help you turn confusion into a clear, practical app
(647) 952-9644 View (647) 952-9644
Photo of Melissa Koch - Bloom Nutrition Services - Melissa Koch, Nutritionist/Dietitian, MEd, RD
Bloom Nutrition Services - Melissa Koch
Nutritionist/Dietitian, MEd, RD
Toronto, ON M4J
I’m a Registered Dietitian with over 15 years of experience specializing in nutrition for individuals who are trying to conceive, currently pregnant, or navigating the postpartum period. I also work closely with parents to support the nutritional needs of their children. I’m passionate about providing evidence-based, compassionate care throughout every stage of the reproductive and parenting journey.
I’m a Registered Dietitian with over 15 years of experience specializing in nutrition for individuals who are trying to conceive, currently pregnant, or navigating the postpartum period. I also work closely with parents to support the nutritional needs of their children. I’m passionate about providing evidence-based, compassionate care throughout every stage of the reproductive and parenting journey.
(365) 832-6431 View (365) 832-6431
Photo of Julia Stanislavskaia, Nutritionist/Dietitian, RD, MScFN, BSc
Julia Stanislavskaia
Nutritionist/Dietitian, RD, MScFN, BSc
1 Endorsed
Toronto, ON M5G
If you are feeling unwell due to digestive symptoms, inflammation, fatigue, migraines, discomfort with your body and weight or mental health issues and feel that your problems may be related to food, contact me to explore how I can help you. I counsel on a wide variety of health issues from food sensitivities and eating disorders to weight management and heart health, among others. I work with people of all ages and have extensive experience in assessing and supporting complex patients with multiple conditions.
If you are feeling unwell due to digestive symptoms, inflammation, fatigue, migraines, discomfort with your body and weight or mental health issues and feel that your problems may be related to food, contact me to explore how I can help you. I counsel on a wide variety of health issues from food sensitivities and eating disorders to weight management and heart health, among others. I work with people of all ages and have extensive experience in assessing and supporting complex patients with multiple conditions.
(647) 371-5843 View (647) 371-5843
Photo of Lisa Makeeva, Nutritionist/Dietitian, MAN, RD, CPT, CYT
Lisa Makeeva
Nutritionist/Dietitian, MAN, RD, CPT, CYT
Vaughan, ON L4K
Lisa is a functional registered dietitian who is passionate about helping clients who are struggling with autoimmune disease, imbalanced hormones, blood sugar issues, and digestive woes. Using a whole-foods approach, Lisa's goal is to encourage the body's own natural healing through correcting nutrient deficiencies, restoring digestion, balancing blood sugars, and stress management.
Lisa is a functional registered dietitian who is passionate about helping clients who are struggling with autoimmune disease, imbalanced hormones, blood sugar issues, and digestive woes. Using a whole-foods approach, Lisa's goal is to encourage the body's own natural healing through correcting nutrient deficiencies, restoring digestion, balancing blood sugars, and stress management.
(289) 206-9975 View (289) 206-9975
Photo of Usha Nathwani - Nutrismart Eating, Nutritionist/Dietitian, MHSc, RD
Nutrismart Eating
Nutritionist/Dietitian, MHSc, RD
Online Only
I have been a dietitian for over 35 years and have provided nutritional counselling for various medical conditions in a hospital setting and in private practice. I strongly feel that weight management is an important health issue as it can prevent chronic diseases such as diabetes, heart disease and cancer. It is never too late to change your food habits. Fad diets may help you lose weight initially but they are not sustainable longterm. I will guide you to follow easy and practical meal plan to achieve a healthy weight without 'chronic dieting'. Make 'healthy weight' your goal for 2026.
I have been a dietitian for over 35 years and have provided nutritional counselling for various medical conditions in a hospital setting and in private practice. I strongly feel that weight management is an important health issue as it can prevent chronic diseases such as diabetes, heart disease and cancer. It is never too late to change your food habits. Fad diets may help you lose weight initially but they are not sustainable longterm. I will guide you to follow easy and practical meal plan to achieve a healthy weight without 'chronic dieting'. Make 'healthy weight' your goal for 2026.
(647) 930-7069 View (647) 930-7069
Photo of Tara Padda - Taste with Tara, Nutritionist/Dietitian, RD, MHSc
Taste with Tara
Nutritionist/Dietitian, RD, MHSc
Online Only
As a Registered Dietitian, my goal is to empower individuals to take control of their health through practical, personalized nutrition. I understand that no two people are the same, which is why I take a tailored approach to care—meeting each client where they are and building sustainable habits that fit their lifestyle, preferences, and cultural background.
As a Registered Dietitian, my goal is to empower individuals to take control of their health through practical, personalized nutrition. I understand that no two people are the same, which is why I take a tailored approach to care—meeting each client where they are and building sustainable habits that fit their lifestyle, preferences, and cultural background.
(365) 909-0334 View (365) 909-0334
Photo of Sylvia Kerr - Eating Dynamiks & Psychotherapy, Nutritionist/Dietitian, RD, MSW, RSW
Eating Dynamiks & Psychotherapy
Nutritionist/Dietitian, RD, MSW, RSW
Toronto, ON M4S
I am a Registered Dietitian /nutritionist and an MSW, RSW, Psychotherapist. For 20+ yrs, I've specialized in helping individuals affected by Eating Disorders, emotional eating, childhood & adult food avoidance. Other areas of focus include the management of chronic dietary-related health concerns such as diabetes, heart disease, and IBS. I am able to support your move away from "food addiction" or when you think you might be ready to step away from the dieting rollercoaster; and towards achieving a sustainable physical & emotional balance. Together we can succeed in creating a physically and mentally healthy pathway that fits you.
I am a Registered Dietitian /nutritionist and an MSW, RSW, Psychotherapist. For 20+ yrs, I've specialized in helping individuals affected by Eating Disorders, emotional eating, childhood & adult food avoidance. Other areas of focus include the management of chronic dietary-related health concerns such as diabetes, heart disease, and IBS. I am able to support your move away from "food addiction" or when you think you might be ready to step away from the dieting rollercoaster; and towards achieving a sustainable physical & emotional balance. Together we can succeed in creating a physically and mentally healthy pathway that fits you.
(416) 483-9588 View (416) 483-9588
Photo of Brittany McMullan - Brittany McMullan | Diabetes Educator & Dietitian, Nutritionist/Dietitian, CDE, RD
Brittany McMullan | Diabetes Educator & Dietitian
Nutritionist/Dietitian, CDE, RD
3 Endorsed
Online Only
New clients welcome, book a chat today! Have you had a recent diagnosis of prediabetes/diabetes that has you feeling overwhelmed? Have you been told you have high blood pressure or cholesterol? Whether you're currently managing a condition, or simply trying to eat better with your family, I can help with your goals! As a Certified Diabetes Educator, I work with clients virtually across Ontario to find ways to make gradual, "DO-ABLE" changes to lower AIC and improve their health. I take a non-judgmental approach to nutrition, and use an "all-foods-fit" philosophy. I promote balance, not restriction, when it comes to healthy eating!
New clients welcome, book a chat today! Have you had a recent diagnosis of prediabetes/diabetes that has you feeling overwhelmed? Have you been told you have high blood pressure or cholesterol? Whether you're currently managing a condition, or simply trying to eat better with your family, I can help with your goals! As a Certified Diabetes Educator, I work with clients virtually across Ontario to find ways to make gradual, "DO-ABLE" changes to lower AIC and improve their health. I take a non-judgmental approach to nutrition, and use an "all-foods-fit" philosophy. I promote balance, not restriction, when it comes to healthy eating!
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Photo of In Wholeness, Nutritionist/Dietitian, BScFN, BSc, RD
In Wholeness
Nutritionist/Dietitian, BScFN, BSc, RD
Toronto, ON M5C
Rebecca is a Toronto based Registered Dietitian providing clients with tools to succeed with healthy living through nutrition. She is licensed with the College of Dietitians of Ontario and earned additional certificates of training in cognitive behavioural counselling and chronic disease management. Her mission is to help people find solutions for their health concerns through understanding nutritional behaviours and the impact of nutrition in one’s well being.
Rebecca is a Toronto based Registered Dietitian providing clients with tools to succeed with healthy living through nutrition. She is licensed with the College of Dietitians of Ontario and earned additional certificates of training in cognitive behavioural counselling and chronic disease management. Her mission is to help people find solutions for their health concerns through understanding nutritional behaviours and the impact of nutrition in one’s well being.
(437) 291-8367 View (437) 291-8367
Photo of Terence Boateng, Nutritionist/Dietitian, MHSc, RD, CSEP-CE
Terence Boateng
Nutritionist/Dietitian, MHSc, RD, CSEP-CE
Toronto, ON M5X
Terence is a Registered Dietitian in Toronto who provides evidence-based nutrition counselling that is client-centered, goal-oriented, and tailored to your unique needs. During the initial assessment, he takes the time to understand your specific objectives, lifestyle, and challenges, using this information to co-create a practical and sustainable plan that works for you. Whether you’re an athlete aiming to optimize performance, someone managing digestive health issues, or simply looking to improve your overall well-being, Terence’s approach is personalized, flexible, and rooted in the latest scientific research.
Terence is a Registered Dietitian in Toronto who provides evidence-based nutrition counselling that is client-centered, goal-oriented, and tailored to your unique needs. During the initial assessment, he takes the time to understand your specific objectives, lifestyle, and challenges, using this information to co-create a practical and sustainable plan that works for you. Whether you’re an athlete aiming to optimize performance, someone managing digestive health issues, or simply looking to improve your overall well-being, Terence’s approach is personalized, flexible, and rooted in the latest scientific research.
(647) 699-5345 View (647) 699-5345
Photo of Allison Dobbyn, Nutritionist/Dietitian, MAN, RD
Allison Dobbyn
Nutritionist/Dietitian, MAN, RD
1 Endorsed
Online Only
I am a registered dietitian, long distance runner and mom of 2 ADHD kids. I am in the trenches with you and I know how hard it is to prioritize nutrition amongst all the chaos life brings! I am here to help you make the best food choices for your adult ADHD, fuelling for your next marathon or managing your perimenopause.
I am a registered dietitian, long distance runner and mom of 2 ADHD kids. I am in the trenches with you and I know how hard it is to prioritize nutrition amongst all the chaos life brings! I am here to help you make the best food choices for your adult ADHD, fuelling for your next marathon or managing your perimenopause.
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Photo of Jessica Cardona, Naturopath, HBSc, ND
Jessica Cardona
Naturopath, HBSc, ND
Kleinburg, ON L0J
Dr. Cardona’s vision is to promote individualized patient care through a natural, evidence-based and comprehensive approach. She is passionate about educating and empowering individuals to better understand their health and its role in providing a superior quality of life. While she has developed an eclectic practice, she has cultivated particular expertise in women's health (peri/menopause/fertility/fibroids), digestive wellness, fatigue, immune wellness, weight loss, mental health, preventative & anti-aging medicine.
Dr. Cardona’s vision is to promote individualized patient care through a natural, evidence-based and comprehensive approach. She is passionate about educating and empowering individuals to better understand their health and its role in providing a superior quality of life. While she has developed an eclectic practice, she has cultivated particular expertise in women's health (peri/menopause/fertility/fibroids), digestive wellness, fatigue, immune wellness, weight loss, mental health, preventative & anti-aging medicine.
(289) 277-0693 View (289) 277-0693
Photo of Nicole Durand, Nutritionist/Dietitian, RD, CDE
Nicole Durand
Nutritionist/Dietitian, RD, CDE
Online Only
Hi, I’m Nicole. I’m a Registered Dietitian and Certified Diabetes Educator. For the past 10 years, I have supported patients with diabetes and various other chronic diseases and nutrition concerns in making diet changes and improving their health and quality of life. I have also worked with children and families and would love to help you lessen food related stressors in the home by disentangling the confusing and often contradictory nutrition information available, providing meal planning strategies and addressing “picky eating”.
Hi, I’m Nicole. I’m a Registered Dietitian and Certified Diabetes Educator. For the past 10 years, I have supported patients with diabetes and various other chronic diseases and nutrition concerns in making diet changes and improving their health and quality of life. I have also worked with children and families and would love to help you lessen food related stressors in the home by disentangling the confusing and often contradictory nutrition information available, providing meal planning strategies and addressing “picky eating”.
(647) 691-6703 View (647) 691-6703
Photo of Theresa Silverthorn, Nutritionist/Dietitian, RD
Theresa Silverthorn
Nutritionist/Dietitian, RD
6 Endorsed
Mississauga, ON L5W
Accepting NEW patients. We have immediate availability for daytime & evening appointments. Whether you’re a new mom navigating the world in an unfamiliar body, a parent looking to support their child with healthy habits, an adolescent looking to expand or improve their diet, or an adult ready to break free of the constant yo-yo dieting-I can help. It’s never too early or too late to focus on your relationship with food to create sustainable habits that support your entire well-being – physical, mental and emotional health. I have extensive experience treating binge-eating disorder, anorexia nervosa, bulimia nervosa & ARFID.
Accepting NEW patients. We have immediate availability for daytime & evening appointments. Whether you’re a new mom navigating the world in an unfamiliar body, a parent looking to support their child with healthy habits, an adolescent looking to expand or improve their diet, or an adult ready to break free of the constant yo-yo dieting-I can help. It’s never too early or too late to focus on your relationship with food to create sustainable habits that support your entire well-being – physical, mental and emotional health. I have extensive experience treating binge-eating disorder, anorexia nervosa, bulimia nervosa & ARFID.
(289) 271-3480 View (289) 271-3480
Photo of Maurya Hart, Nutritionist/Dietitian, RD
Maurya Hart
Nutritionist/Dietitian, RD
1 Endorsed
Online Only
Hi! My name is Maurya (she/her), and I am a Registered Dietitian serving clients virtually in the province of Ontario. I am passionate about working with neurodivergent children, teens, and adults, to support them in meeting their nutritional goals. The populations I focus on include ADHD, autism, and pediatrics. My approach to nutrition is client-centered, neuro-affirming and compassionate, tailored to meet unique needs. I have worked with clients of all ages from diverse cultural backgrounds. I am also currently completing a Master's degree to better understand the role of nutrition in chronic disease.
Hi! My name is Maurya (she/her), and I am a Registered Dietitian serving clients virtually in the province of Ontario. I am passionate about working with neurodivergent children, teens, and adults, to support them in meeting their nutritional goals. The populations I focus on include ADHD, autism, and pediatrics. My approach to nutrition is client-centered, neuro-affirming and compassionate, tailored to meet unique needs. I have worked with clients of all ages from diverse cultural backgrounds. I am also currently completing a Master's degree to better understand the role of nutrition in chronic disease.
(647) 797-2594 View (647) 797-2594
How to tell if Natural Health is right for me?
Ontario Health Professionals have broad skills and are able to work with a wide range of symptoms.

Complementary and alternative health, natural health or holistic health is a non-medical path to well-being. It sees the physical, mental and spiritual aspects of life as closely interconnected and balanced. Advocates typically use a wide variety of alternative practices, the most common of which include: Acupuncture, Chiropractic, Homeopathy, Massage Therapy, Naturopathy, Nutrition, Osteopathy, and Physical Therapy.

How to find a Health Professional with specific treatment skills?
If you're looking for a specialist in Ontario, try to refine your search with our left nav bar.

You can also try contacting a Natural Health professional to ask for a consultation or referral.

How to use my insurance?
Many Natural Health professionals accept health insurance. Check to see if your insurance is covered. Feel free to discuss this when you contact the Health Professional.