About Kartar Health: Mississauga's Experts in Hormone Optimization
At Kartar Health, we empower you to achieve optimal health and enhance your quality of life. We understand how frustrating it can be to hear that “everything is normal” when you still don’t feel your best. That’s why our elite team works with you to not only improve how you feel today but also help you establish a strong foundation for better health, supporting a high-quality life as you age. As leaders in a new paradigm of patient-centered care, we are committed to nurturing healing in body, mind, and spirit for all who visit us from across Canada. Because “normal” isn’t the same as optimal health—and everyone deserves a high touch, high-quality healthcare experience.
Our Guiding Principles
Deliver a High-Touch, High-Quality Health Experience
At Kartar Health, you are never a number. We take the time to truly listen, understand your unique biology and life context, and walk alongside you as a partner in your health, not just a provider. Every interaction is designed to feel as meaningful as it is medically exceptional.
Empower People to Elevate Their Quality of Life
We believe optimal health transforms how you experience life. Through personalized knowledge, tools, and guidance, we help you feel great today while laying the foundation for lasting, vibrant health tomorrow.
Cultivate Awareness and Inner Connection
True health extends beyond the physical. We help you tune into the emotional, mental, and spiritual dimensions of your wellbeing, fostering awareness of what depletes you and deepening your connection to what gives your life meaning. From this place, lasting harmony becomes possible.
Meet The Kartar Health Team
At Kartar Health, we believe that true wellness is a collaborative journey. Our diverse team of dually-certified physicians, culinary experts, and medical professionals works together to provide a seamless, integrative experience.
Preventative Integrative Medicine Physician
Dr. Simran K. Rattan, MD, CCFP, ABOIM, NBC-HWC
Dr. Simran Rattan is the Founder and Medical Director of Kartar Health and a triple board-certified physician in Family Medicine, Integrative Medicine, and Integrative Health & Wellness Coaching, and a recognized leader in hormones and preventive integrative medicine. She specializes in bioidentical hormone replacement therapy (BHRT) for both men and women, helping patients optimize hormonal health, improve insulin resistance and improve their quality of life. Her integrative approach empowers individuals to achieve lasting vitality through purpose driven habits. Dr. Rattan is the 2026 CEO of the Year in Health & Wellness, recognized at the Unicorn Summit by CEO School.
- Triple board-certified in Family Medicine, Integrative Medicine, and Integrative Health & Wellness Coaching
- Clinical Mentor for the Andrew Weil Centre of Integrative Medicine Fellowship Program
- Harvard Medical School, Media and Medicine Certification
- Advanced Certified in Bio-identical Hormone Replacement Therapy (BHRT), The Academy of Preventive & Innovative Medicine
- American College of Lifestyle Medicine Type 2 Diabetes Remission Certificate
- Completed the Inter-professional Spiritual Care Education Curriculum (ISPEC), George Washington Institute of Spiritual Health (GWISH)
- Graduate from the Andrew Weil Centre of Integrative Medicine Fellowship program and Integrative Health Coaching Program
- Leads the Andrew Weil Centre of Integrative Medicine Alumni Chapter in Ontario, Canada
- Nominated for the RBC Canadian Entrepreneur Women’s Award presented by Women of Influence
- Vibrant Celestial Meditation Master Teacher
- Level 1 Tai Chi Instructor from Ji Hong Tai Chi in Mississauga
- Recipient of the 2026 CEO of the Year in Health & Wellness, recognized at the Unicorn Summit by CEO School
Lifestyle Medicine Physician
Dr. Manjeet Prewal, MD, CCFP, ABFM, ABLM
Dr. Manjeet Prewal is a co-founder of Kartar Health and is dual-boarded in Family and Lifestyle Medicine. He specializes in hormonal health and Bio-identical Hormone Replacement Therapy (BHRT). Dr. Prewal views Lifestyle Medicine as the essential foundation for disease prevention. He works collaboratively with patients on nutrition, sleep, and stress reduction to inspire life-changing health.
- Board Certified in Family Medicine in Canada and U.S.A.
- Board Certified in Lifestyle Medicine – American College of Lifestyle Medicine
- Advanced Trained in Bio-identical Hormone Replacement Therapy (BHRT), The Academy of Preventive & Innovative Medicine
- American College of Lifestyle Medicine Type 2 Diabetes Remission Certificate
- Lecturer, Department of Family and Community Medicine, University of Toronto
- Vibrant Celestial Meditation Senior Teacher
Dr. Maithry Uddaraju, MD, CCFP, ABFM
Dr. Maithry Uddaraju is a Board-Certified Family Physician specializing in Women’s Health, Men’s Hormonal Health, and BHRT and music as therapy. She combines evidence-based medicine with a focus on the integration of body, mind, and spirit. Dr. Uddaraju tailors treatment plans to unique needs to empower individuals to achieve lasting vitality.
- Board Certified in Family Medicine in Canada and U.S.A.
- Advanced Trained in Bio-identical Hormone Replacement Therapy (BHRT), The Academy of Preventive & Innovative Medicine
- Vibrant Celestial Meditation Senior Teacher
Dr. Hardeep K. Prewal, MD, CCFP(PC), FRCPC(PM), CCMS, Chef
Dr. Hardeep Prewal is a Board Certified physician and Assistant Professor at the University of Toronto. As a Certified Culinary Medicine Specialist, she bridges the gap between clinical care and nutrition. Dr. Prewal combines expertise in BHRT and diabetes remission to help patients achieve vibrancy through a personalized approach to food and lifestyle.
- Certified Culinary Medicine Specialist, Tulane University
- Vegetarian Culinary Arts Certification, George Brown College
- Advanced Trained in Bio-identical Hormone Replacement Therapy (BHRT), The Academy of Preventive & Innovative Medicine
- American College of Lifestyle Medicine Type 2 Diabetes Remission Certificate
- Board Certified in Family Medicine and Palliative Care
- Assistant Professor, Department of Family and Community Medicine, University of Toronto
- Vibrant Celestial Meditation Senior Teacher
Nikki Mendonca
Nicki Mendonca brings over a decade of experience in healthcare administration to Kartar Health. Her background in Family Health, Fertility, and Obstetrics provides a deep understanding of the healthcare system. Nicki is dedicated to creating a high-touch, seamless experience for every client.
Your Journey to Optimal Health Starts Here
Address
#308 - 755 Queensway East
Mississauga, ON
Clinic Hours
Monday - Friday - 8AM to 5PM
Weekends - Closed