There weren't enough doctors five years ago, either. If demand is already huge, a small increase in supply is not going to catch up. Furthermore, what percentage of those doctors are in family medicine? I haven't heard that there's nearly as much of a shortage of specialists (except in more remote areas where there's always been a shortage of specialists).
Percentages are deceptive here. What we need are absolute numbers: how many primary care practitioners (both family doctors and nurse-practitioners) are needed, how many we already have, how many new ones are entering the field vs. how many are leaving, and a breakdown of those numbers per region.