) KNOWING WHEN TO SEE A PHYSIcian is one of the most basic ingredients in maintaining good health. But in this age of super-splintered medicine, figuring out which doctor to see has become something of a nightmare. Is there a fire in your midsection? It could be indigestion, gallstones, an exotic infection, stress, maybe even cancer. Should you consult a gastroenterologist, a tropical-disease expert, a psychiatrist or an oncologist? Once a patient climbs onto the specialist merry-go-round, it can be hard to get off. The medical bills mount, and the frustration soars.
A much better solution, most doctors agree, would be...