About one-half of the growth of medical groups that originally employed over 100 physicians between 2007 and 2013 involved healthcare mergers and acquisitions with groups of ten or fewer physicians, a recent Health Affairs study showed.
Another one-third of the growth reported in 1,117 studied markets stemmed from hiring new physicians without a merger or acquisition.
The data showed that small, numerous transactions drove recent healthcare merger and acquisition activity, rather than a small number of large transactions. The acquisitions of medical groups with 11 or more physicians only represented 15 percent of group growth.
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