how many years of college will it take in total to become an anesthesiologist?

Counting four years of undergraduate study, four years of medical school, and four years of residency, it takes twelve years to become an anesthesiologist. Some medical students enroll in combined six-year undergraduate and medical school programs, which can reduce the time needed to begin a career.

You could also be a PA and do a lot of the work without as much of the school