Diabetologists Specialize in diagnosing and treating diabetes and metabolic disorders, focusing on Type 1 and Type 2 diabetes.  Expertise: They are experts in diabetes management, including medication, lifestyle interventions, and preventing complications like nerve damage, heart disease, and kidney failure. Conditions: Type 1 and Type 2 diabetes, gestational diabetes, insulin resistance, prediabetes, and diabetes-related complications like retinopathy, neuropathy, and nephropathy.