Ivania Rizo MD

Clinical Associate Professor, Endocrinology, Diabetes, Nutrition & Weight Management

720 Harrison Ave | (617) 638-8638
ivamrizo@bu.edu
ivania.rizo@bmc.org

Sections

Endocrinology, Diabetes, Nutrition & Weight Management

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.

Websites

BU Profile

Boston Medical Center Provider Profile

Education

Physiology, MD, Georgetown University

Physiology, BS, University of Maryland

Publications

Published on 4/9/2026

Bassatne A, Rizo I. Future Directions in the Medical Treatment of Obesity: A Narrative Review. Adv Ther. 2026 Jun; 43(6):2387-2407. PMID: 41954863.

PubMed

Published on 6/6/2025

Campos A, Fantasia KL, Rizo I. Knowledge, attitudes, and practices in obesity among trained and in-training primary care providers in an urban safety-net hospital system. Obes Pillars. 2025 Sep; 15:100185. PMID: 40546447.

PubMed

Published on 4/25/2025

Mohanty A, Austad K, Bosch NA, Long MT, Nolen-Doerr E, Walkey AJ, Drainoni ML, Rizo I, Fantasia KL. Assessing Clinician Engagement With a Passive Clinical Decision Support System for Liver Fibrosis Risk Stratification in a Weight Management Clinic. Endocr Pract. 2025 Jul; 31(7):899-905. PMID: 40288606.

PubMed

Published on 8/15/2022

Ryan TJ, Heyman AS, Mulvey EN, McLaughlin A, Rizo IM, Assoumou SA. Factors associated with inpatient complications among patients with obesity and COVID-19 at an urban safety-net hospital: A retrospective cohort study. Obes Sci Pract. 2022 Aug 15; 8(6):794-800. PMID: 35938065.

PubMed

Published on 3/10/2021

Fantasia KL, Wirunsawanya K, Lee C, Rizo I. Racial Disparities in Diabetes Technology Use and Outcomes in Type 1 Diabetes in a Safety-Net Hospital. J Diabetes Sci Technol. 2021 09; 15(5):1010-1017. PMID: 33719610.

PubMed

Published on 9/1/2019

Nolen-Doerr E, Stockman MC, Rizo I. Mechanism of Glucagon-Like Peptide 1 Improvements in Type 2 Diabetes Mellitus and Obesity. Curr Obes Rep. 2019 Sep; 8(3):284-291. PMID: 31124035.

PubMed

Published on 6/7/2019

Dupepe E, Patel D, Miller J, Rizo I, Vaughan TB, Riley K. Postoperative day 1 versus postoperative day 5 morning cortisol for predicting an intact hypothalamic-pituitary axis: A cohort analysis. Surg Neurol Int. 2019; 10:91. PMID: 31528429.

PubMed

Published on 1/15/2019

Rizo IM, Apovian CM. Diabetic Ketoacidosis Post Bariatric Surgery. Front Endocrinol (Lausanne). 2018; 9:812. PMID: 30697192.

PubMed

Published on 6/29/2018

Rodriguez-Diaz E, Rizo I, Sullivan C, Steenkamp DW. Perioperative Use of a Hybrid Closed Loop System in an Obese Patient With Type 1 Diabetes Undergoing Metabolic Surgery: Insights Into Changes in Insulin Delivery and Sensitivity. J Diabetes Sci Technol. 2018 11; 12(6):1239-1240. PMID: 29957042.

PubMed

Published on 8/1/2002

Hotez PJ, Ashcom J, Bin Z, Bethony J, Williamson A, Hawdon JM, Jianjun F, Dobardzic A, Rizo I, Bolden J, Jin Q, Yan W, Dobardzic R, Chung-Debose S, Crowell M, Datu B, Delaney A, Dragonovski D, Jiang Y, Yueyuan L, Ghosh K, Loukas A, Brandt W, Russell PK, Zook BC. Effect of vaccinations with recombinant fusion proteins on Ancylostoma caninum habitat selection in the canine intestine. J Parasitol. 2002 Aug; 88(4):684-90. PMID: 12197114.

PubMed

View full list of 11 publications.