By Monica E. Oss, Chief Executive Officer It's funny what eliminating silos in health care spending will do. The Patient Protection and Affordable Care Act (PPACA) ushered in an era of health care spending that prohibited preexisting condition clauses, eliminated annual and lifetime limits, institutionalized parity for behavioral health conditions in more coverage, brought population health to hospital systems via accountable care organizations (ACOs), and created a path to reducing the number of Americans without insurance. And, suddenly, we have more attention to the social determinants of health and the importance of funding social services to reduce health care costs (see Social Determinants Of Health & Medical…