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 27: A Patient Story about Diabetic RetinopathyEpisode 30: PrediabetesEpisode 29: World Diabetes Day 2023Episode 28: Diabetes and SmokingEpisode 24: Treatment of Diabetic Kidney Disease