Dr. Kathleen O'neil-Smith

Dr. Kathleen O'Neil-Smith is a Boston-based physician specializing in internal, integrative, and regenerative medicine. A graduate of Boston University, where she earned her B.S. in Applied Anatomy and Physiology and M.D. with honors, Dr. O’Neil-Smith completed her medical training at Brigham and Women's Hospital. She is the founder of Treat Wellness LLC, a private clinic dedicated to personalized medicine, and a distinguished lecturer on anti-aging and regenerative therapies. Dr. O’Neil-Smith holds certifications in Anti-Aging Medicine, Positive Psychology, Traumatic Brain Injury, and Stem Cell Therapy. She has also served as a medical consultant for TB12 Sports Therapy and Inner Athlete. With a career spanning clinical practice, research, and education, Dr. O'Neil-Smith is a founding board member of the American Academy of Stem Cell Physicians and the International Peptide Society. Her accolades include membership in the Alpha Omega Alpha Honor Society, multiple teaching appointments, and recognition for her contributions to medical science and education. A former Olympic rower and coach, Dr. O'Neil-Smith applies her passion for peak performance and holistic health to her practice and teachings. She is also the author of two health-focused books: Kick Covid-19 to the Curb (2020) and Fine-Tune Your Immune System (2021).