how many years should i spend in college to be a doctor ??
how many years (college)?
Undergrad typically takes 4-5 years, for any type of degree. Not only if you are looking to go on to med school
how many years (bachelor) ?
You will get your bachelors degree from going to college....
how many years (doctorate) ?
If by doctorate, you mean med school, then 4 more years, followed by a residency of 3-7 more years depending on your specialty.
You are welcome to pursue a masters or even a PhD prior to med school, but 8 is the bare basics.