The Outcomes of Implementing Patient-Centered Medical Home Interventions: A Review of the Evidence on Quality, Access and Costs from Recent Prospective Evaluation

and regions within the U.S., and specific systems of care has shown that health systems built on a solid foundation of primary care deliver more effective, efficient, and equitable care than systems that fail to invest adequately in primary care.i, ii However, some policy analysts have questioned whether these largely cross-sectional, observational studies are adequate for making inferences about whether implementing major policy interventions to strengthen primary care as part of health reform would in the relatively short term “bend the cost curve” at the same time as improving quality of care and patient outcomes.