Who will be the first to take integrated health care delivery national?

A few years ago, the best bet might have been an established provider with a nationally compelling brand and a growing affiliate federation such as Cleveland Clinic or Mayo. Instead, Optum – just a decade ago three separate services largely focused on serving United’s health benefits business – has entered care delivery and — by a constant stream of acquisitions big and small — built up beachheads in a majority of markets and is – via ongoing big acquisitions, tuck-ins and greenfield expansions – laying the foundations of a national integrated ambulatory system.

Particularly in light of the latest rumors about the role of clinics in driving the value of a potential AET-CVS combination, it is timely to take a look at what Optum has put together, size its geographic reach and discuss some strategic implications.

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