International Health Services
Boston Children's Hospital
300 Longwood Avenue
Pavilion Building, Room 119, Boston, MA 02115 USA
Contact the Heart Center
Contact the Cancer and Blood Disorders Center
Hours of Operation
International Health Services is open from 8 a.m. to 5 p.m Eastern., Monday through Friday. On weekends and after normal business hours, there is a dedicated voicemail system. This line is always checked the following business day.