Oh, so bad doctors like still exist! Find someone else, one that likes their coffee everyday, several times a day, haha.

In Venezuela, we get Arabica beans at the store, almost exclusively. This type has less caffeine. And if you use drip brew and sip it while still hot, that's less caffeine. Words of my grandma's doctor (40 years ago; he drank 4-6 cups a day and died of old age, just in case).