I'd say that this has nothing to do with paying money to the doctor for a visit; rather, it is just a typical way in AmE of saying "We should go and pay the doctor a visit", where the coordinator "and" has been omitted in typical AmE style!
I'd say that this has nothing to do with paying money to the doctor for a visit; rather, it is just a typical way in AmE of saying "We should go and pay the doctor a visit", where the coordinator "and" has been omitted in typical AmE style!