According to the Press of Atlantic City AtlantiCare Regional Medical Center, Mainland Campus, was given the highest possible grade by a national patient care watchdog group, the company announced Monday.The hospital was given an “A” rating in the latest report by The Leapfrog Group, AtlantiCare said in a release.“Earning an ‘A’ grade means AtlantiCare Regional Medical Center made a true commitment to put patients first,” said Leah Binder, president and CEO of The Leapfrog Group.