Is the Mayo Clinic a model or a mirage?

Few dispute the prowess of The Mayo Clinic, which brings in $9 billion in revenue a year and hosts 250 surgeries a day. But a battle is underway among healthcare experts and lawmakers over whether its success can be so easily replicated. Before embracing a fundamentally new approach to healthcare, dissenting experts and lawmakers say, Congress should scrutinize the assumption that a Mayo-type model is the answer.