Usa-Places.com has listed approx 7 Children's hospitals in 300 Longwood Ave. Some of the Top rated Children's hospitals in 300 Longwood Ave are- Child Life Services | Boston Children's Hospital, MyChildren's Patient Portal | Boston Children's Hospital, Thomas J. Sandora MD MPH, Social Work Department | Boston Children's Hospital, Patient Relations | Boston Children's Hospital, Chaplaincy Services | Boston Children's Hospital & Child Life Services | Boston Children's Hospital.