Emory Healthcare continued its expansion in metro Atlanta, recently adding a second local doctor’s office into its primary care network — Internal Medicine of Newton County led by Dr. James Stillerman. The office will be renamed Emory Internal Medicine of Newton and joins Emory Newton Medical Associates, which joined Emory Specialty Associate’s primary care network earlier in September. Dr. Henry M. Patton, lead physician of Newton Associates, said at the time that the partnership is part of Emory’s efforts to create an accountable care organization (ACO), a comprehensive healthcare system