If you are concerned with how to pay off debt, then this is certainly one method that has a successful track record. However, the reason it is good isn’t because of the math. It’s because of psyschology.
The idea here is the opposite of the snowball method. Simply locate the highest interest rate debt you have. Take any additional money you have above your monthly minimum payments and start hammering away.
Both methods above will work to pay off debt. However, neither of them is ideal for many medical professionals who feel an overwhelming need to crush their student loans first.