The woman shot and killed Wednesday at Northside Medical Midtown has been identified as Amy St. Pierre, 38, according to the Fulton County Medical Examiner's office.
St. Pierre worked for the US Centers for Disease Control and Prevention, the agency confirmed to CNN on Wednesday.
"CDC is deeply saddened by the unexpected loss of a colleague killed today in the Midtown Atlanta shooting. Our hearts are with her family, friends, and colleagues as they remember her and grieve this tragic loss," CDC spokesperson Benjamin Haynes wrote in an email.
The four other women shot are being treated at Grady hospital. Three patients are in ICU and a fourth is in stable condition, according to a statement from the hospital.