Endocrinologist A doctor who specializes in diabetes and other diseases of the endocrine system, including hormonal disorders of the thyroid, adrenal gland, and pituitary gland. Related Articles: Episode 20: Diabetes and Cardiovascular DiseaseEpisode 24: Treatment of Diabetic Kidney DiseaseEpisode 22: A Real Diabetes Parent’s StoryEpisode 21: Diabetes and Heart FailureEpisode 23: Diabetes & the Prevention of Kidney Disease