Dr. Dumitru was born in Sibiu, the old capital of beautiful Transylvania in Romania, one of the most charming cities in Europe. She began her medical career at the renowned Cluj Medical University in Romania. After graduating at the top of her class from medical school and then travelling and working in Florence, Italy, she then completed her graduate medical education at Yale University affiliated Norwalk Hospital in Connecticut. 

Dr. Dumitru continued her medical training at Yale University School of Medicine, where she completed her fellowship in Endocrinology, Diabetes and Metabolism. Throughout her career, she has remained actively involved in teaching and research, saw completion of several published peer-reviewed journal articles and co-authored a chapter on Calcium metabolism-Bone related diseases. As a double board-certified endocrinologist, her clinical and research interests include diseases of thyroid gland, metabolic bone disease, diabetes as well as environmental influences and dietary interventions in improving cardiac health. She is an active member of several national endocrinology societies including the American Thyroid Association, American College of Clinical Endocrinologists, American Diabetes Association, Endocrine Society and the American Society of Bone Mineral Research.

Dr. Dumitru is fluent in Romanian. Her interests include classical music and dancing as well as painting and cooking. She believes in personalized medical care and enjoys forging long-lasting relationships with her patients to achieve a healthier lifestyle.