A newly released survey gave seven Long Island hospitals an "A" rating.
They include Mather and St. Charles hospitals in Port Jefferson, Nassau University Medical Center in East Meadow, Mercy Medical Center in Rockville Centre, Huntington and South Nassau Community hospitals in Oceanside and St. Catherine of Siena Medical Center in Smithtown.
Southside Hospital in Bay Shore was given a "D" rating.
The survey was conducted by Leapfrog Group Survey.