Castillo has worked as an emergency room physician for the past 10 years in hospitals across the state, including Chestatee.
Chestatee Regional Hospital's relationship with The Longstreet Clinic, P.C. began in January 2011, when Longstreet Inpatient Medicine began providing care to the hospitalized patients in Dahlonega. Later in June 2012, Longstreet began providing physicians for the emergency department at Chestatee.

Dr. Armando Castillo
http://accesswdun.com/article/2014/4/273506