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Dr. Matthew Castanho is a Licensed Naturopathic Physician, Nutritionist, and Fitness Specialist.  He specializes in the treatment of both acute and chronic disease, utilizing the most advanced natural therapeutics.

He offers a wide range of natural, non-toxic treatments, which help support the innate healing mechanisms of the human body.  Services include: Clinical Nutrition, Herbal Medicine, Natural Hormone Balancing, Diet and Lifestyle Counseling, and Physical Manipulation. 

Testimonials | Conditions Treated | Fee Structure


(WTNH) — You may want to take the phrase ‘go with your gut’ literally! Dr. Matthew Castanho, ND explains that the gut houses more bacteria than cells in the human body. What you eat can significantly determine the health of your gut and its influence on the brain, immune system, and overall health.


(Workplace of Tomorrow) — Dr. Matthew Castanho, ND discusses the impact of the COVID-19 pandemic on physical & mental health. Tune in to understand some of the purposeful actions we can each take to counter a year of stress and trauma with the post-pandemic return to in-person work.