What are the things a nephrologist does?

Kidneys plus. Nephrologists specialize in the kidneys, but kidney function is important for other body functions. Nephrologists also deal with bones, anemia and other complications of kidney disease, especially in patients who require dialysis.
A nephrologist. Specializes in kidney diseases and blood chemistry; takes care of people requiring dialysis and kidney transplant; evaluates proteinuria, hematuria, kidney stones, hypertension, blood chemistry disturbances; may do kidney biopsies; orders treatments for inflammatory diseases of kidney; orders special diets; works with dietitians and social workers and dialysis nurses.