doctor Find a doctor

The Diabetes Team

Sara M Alexanian, MD
Director of Inpatient Diabetes
Special Interests: diabetes, osteoporosis, hyperparathyroidism, thyroid disease

Jennifer D Britton-Colonnese, NP
Special Interests: Utilizing an individualized and patient centered approach to the management of diabetes (type 1 and type 2), weight management, diabetes technology

Shirin Haddady, MD, MPH
Special Interests: Thyroid cancer, Thyroid nodule, Hyperthyroidism, Polycystic ovarian syndrome, Diabetes

Katherine L Modzelewski, MD
Associate Fellowship Director of the Endocrinology Training Program
Special Interests: Type 1 and type 2 diabetes, diabetes technology and mobile health, thyroid disease, general endocrinology

Maura A Previte, NP
Special Interests: Type 1 and type 2 diabetes in children and adults

Marianne E Rivard, NP
Nurse Practitioner
Special Interests: Diabetes, psychosocial and behavioral factors influencing diabetes management, exercise physiology

Ivania M Rizo, MD
Special Interests: Diabetes Management, Weight Management, Thyroid Disorders, General Endocrinology, Medical Management of Patients Undergoing Bariatric Surgery

Devin W Steenkamp, MBChB
Director of Clinical Diabetes
Special Interests: Type 1 diabetes, Diabetes technology, Insulin pumps, Atypical diabetes, MODY

Catherine A Sullivan, MD
Special Interests: Type 1 and Type 2 Diabetes, Diabetes and pregnancy, General endocrinology

Diabetes Education Team

Elizabeth Brouillard, RD, CDE
Mara Garwood, RD, CDE
Joyce Lekarcyk, RN, CDE 
Corina Valvo, RN, CDE