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 22: A Real Diabetes Parent’s StoryEpisode 27: A Patient Story about Diabetic RetinopathyEpisode 23: Diabetes & the Prevention of Kidney DiseaseEpisode 24: Treatment of Diabetic Kidney DiseaseEpisode 28: Diabetes and Smoking