Do you want to know more about what is the role of a diabetologist? The Diabetologist is an expert in the treatment of Diabetes generally coordinates between the Diabetic Educators, Nurses, Podiatrists, Ophthalmologists and Renal physicians to educate, treat and monitor a patient. Treatment usually involves medications either orally or through Insulin injections. ||| What is the difference between endocrinologist and diabetologist? But in actual the basic difference is that endocrinologists are trained physicians who can treat any problem related to the endocrine gland while on the other hand diabetologists are trained physician who only treats people who are suffering from early or higher stages of diabetes.||| What does a diabetes specialist do? Endocrinologists and diabetologists (ED) are medical doctors who investigate, diagnose and treat disorders of the endocrine system.