Who are Sonologists? Posts 05:51 25-12-2013 Who are Sonologists?#1 Maybe someone do not understand what a difference between sonographer and sonologist - it is not the same. Sonologist is a physician(MD) with additional education in sonography. In Russia we do not have such speciality as sonographer but only sonologist! Helpful link: "The role of the sonologist in a sonographer-based practice." external link