It costs an average of $330,000 to become an anesthesiologist. It takes about 12 years to become an anesthesiologist with four years to earn a bachelor's degree, four years to go through medical school, and four years to complete a residency. These professionals are trained to safely administer anesthetics to induce a temporary loss of sensation or consciousness for the performance of a medical procedure. You can find an answer to this question below. If we describe this profession with one word, this word will be «stress resistance». If you have to go part-time during your four year undergraduate program to get your Bachelor’s degree it will take you longer. How long does it take to become an anesthesiologist? How long does it take to become an anesthesiologist? How much does it cost to become an anesthesiologist? You will spend an average of $34,000 yearly for an undergraduate education and an average yearly cost of $48,500 for medical school. Anesthesiologists need around 12 years of training beyond high school, which includes four years of college, four years of medical school, and 4 years of residency. How long does it take to become anesthesiologist? It is the core element. An anesthesiologist is a board-certified physician who has attained either a doctor of medicine (MD) or doctor osteopathic medicine (DO) degree and chosen to specialize in the field of anesthesiology. It can take you as many as twelve years before you become an anesthesiologist.