Biography
Dr. Rizo specializes in obesity medicine, diabetes, and cardiometabolic health equity. Her research focuses on obesity medicine, post-bariatric weight regain, cardiometabolic health equity and the social determinants of health. Following a national search, Dr. Rizo was appointed director of obesity medicine at Boston Medical Center (BMC) in 2021. In 2025, she was named co-medical director of the Endocrinology, Diabetes, Nutrition & Weight Management Clinic. She also serves as diabetes clinical co-lead for BMC's Health Equity Accelerator, where she develops programs to improve equity in diabetes care in high-risk populations at BMC. In addition, Dr. Rizo is the endocrinology lead for Heart of Communities, a collaboration among BMC, Mass General Brigham and Mattapan Community Health Center focused on improving cardiovascular, kidney and metabolic health in the Mattapan community.
Her clinical and academic interests include obesity, diabetes, and cardiovascular–kidney–metabolic disease. She is triple board-certified in Internal Medicine, Endocrinology, and Obesity Medicine, and is an active member of the Endocrine Society, the American Diabetes Association, and The Obesity Society.