Korea’s long-running debate over a shortage of doctors outside the Seoul metropolitan area is now centering on a new policy idea: a so-called "regional doctor system" that would require qualified physicians to serve for several years in underserved areas and key specialties. Years of incentive payments, pilot projects and increases in medical school quotas have so far failed to ease the shortage of physicians in emergency rooms, maternity wards and key specialties in smaller cities and rural counties. Health authorities say a mandatory system is now needed to maintain — or at least stabilize — medical services outside the capital region. The regional doctor system has become a key part of President Lee Jae Myung’s health care plan. Last month, lawmakers passed a law that makes the system official and gives the government the power to require doctors to work in hospitals and clinics outside the capital. At its core, the scheme reserves a set share of medical school seats for “regional tracks,” in which students receive government financial support for tuition, dormitory fees