With Obamacare in serious trouble, those who aren't fortunate enough to have employer-sponsored health insurance are forced to pay through the nose for anything resembling decent coverage. Luckily, there's another option that may both improve the quality of care you get and lower your healthcare expenses: direct primary care.Also known as concierge medicine, direct primary care is a billing system that allows patients to pay doctors directly instead of paying an insurance company that then pays the doctor.