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Root Cause

Kathleen O'Neil-Smith

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About Kathleen O'Neil-Smith

Kathleen O'Neil-Smith, MD is a functional medicine practitioner in Newton, MA. The practice operates as Treat Wellness. The practice takes a root-cause approach to health, using advanced diagnostics and personalized treatment plans to address chronic conditions, hormone imbalances, gut health, and autoimmune disorders. DUTCH hormone testing is available for comprehensive hormone analysis.

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