The Leapfrog Group has assigned letter grades to hospitals based on their patient safety performance twice annually since spring 2012. Forty-one hospitals have earned an "A" in every update, including the spring 2019 update released May 15.
These 41 straight-A hospitals have maintained the highest possible grade 14 consecutive times.
Here is a list of the hospitals broken down by state:
Arizona
Mayo Clinic Hospital (Phoenix)
California
French Hospital Medical Center (San Luis Obispo)
Kaiser Foundation Hospital, Orange County-Anaheim
Kaiser Foundation Hospital-Santa Rosa
Sierra Vista Regional Medical Center (San Luis Obispo)
Twin Cities Community Hospital (Templeton)
Colorado
Rose Medical Center (Denver)
Florida
AdventHealth Daytona Beach
Memorial Hospital Miramar
Georgia
AdventHealth Gordon (Calhoun)
Illinois
Elmhurst Memorial Hospital
Northwestern Medicine Central DuPage Hospital (Winfield)
OSF St. Joseph Medical Center (Bloomington)
OSF St. Mary Medical Center (Galesburg)
Rush Copley Medical Center (Aurora)
University of Chicago Medical Center
Louisiana
Minden Medical Center
Massachusetts
Addison Gilbert Hospital (Gloucester)
Berkshire Medical Center (Pittsfield)
Beverly Hospital
Brigham and Women's Faulkner Hospital (Boston)
Newton-Wellesley Hospital
Saint Anne's Hospital (Fall River)
Michigan
Huron Valley-Sinai Hospital (Commerce Township)
Michigan Medicine (Ann Arbor)
Mississippi
Baptist Memorial Hospital Golden Triangle (Columbus)
North Carolina
Rex Hospital (Raleigh)
New Jersey
Saint Barnabas Medical Center (Livingston)
Ohio
OhioHealth Dublin Methodist Hospital
OhioHealth Grady Memorial Hospital (Delaware)
University Hospitals St. John Medical Center (Westlake)
Texas
Memorial Hermann Katy Hospital
St. David's Medical Center (Austin)
Virginia
Carilion New River Valley Medical Center (Christiansburg)
Inova Loudoun Hospital (Leesburg)
Sentara CarePlex Hospital (Hampton)
Sentara Leigh Hospital (Norfolk)
Sentara Obici Hospital (Suffolk)
Sentara Princess Anne Hospital (Virginia Beach)
Sentara Williamsburg Regional Medical Center
Washington
Virginia Mason Medical Center (Seattle)