Northeast Georgia Medical Center is on a healthy three-year streak when it comes to impact on local and state economies. The Gainesville hospital has surpassed the $1 billion mark from 2010-12, increasing each of the three years, according to Georgia Hospital Association data provided by the hospital. The trade association found that, in 2012, the hospital generated $1.1 billion in revenue, increasing from $1.03 billion in 2010.