How many years of education does it take to become an endocrinologist?

It takes approximately 12-14 years of education to become an endocrinologist after high school. This includes:

* 4 years: Undergraduate education (Bachelor's degree)

* 4 years: Medical school (MD or DO)

* 3-4 years: Residency in Internal Medicine

* 2-3 years: Fellowship in Endocrinology, Diabetes, and Metabolism

The variation comes from the length of the residency and fellowship programs.