The 63 Leapfrog straight-A hospitals

The Leapfrog Group has been assigning letter grades to hospitals based on their patient safety performance twice a year since spring 2012, and 63 hospitals have earned an A in every update, including the spring 2017 update released Wednesday.

That means these 64 straight-A hospitals have earned the highest possible grade 11 times in a row.

Find more information on Leapfrog's safety grades here, and see a list of the 64 straight-A hospitals, broken down by state, below.


Mayo Clinic Hospital (Phoenix)


Twin Cities Community Hospital (Templeton, Calif.)

Kaiser Permanente Woodland Hills Medical Center

Kaiser Foundation Hospital-West Los Angeles

Kaiser Foundation Hospital-Santa Rosa

Sierra Vista Regional Medical Center (San Luis Obispo)

Kaiser Permanente Foundation Hospital, Downey Medical Center

French Hospital Medical Center (San Luis Obispo)

Kaiser Foundation Hospital, Orange County-Anaheim


Centura Health-Porter Adventist Hospital (Denver)

Rose Medical Center (Denver)


Memorial Hospital Miramar

Parrish Medical Center (Titusville)

Florida Hospital Memorial Medical Center (Daytona Beach)


Gordon Hospital (Calhoun)


University of Chicago Medical Center

HSHS St. Joseph's Hospital, Breese

Northwestern Medicine Central DuPage Hospital (Winfield)

Elmhurst Memorial Hospital

Rush-Copley Medical Center (Aurora)

OSF St. Joseph Medical Center (Bloomington)

AMITA Health St. Alexius Medical Center Hoffman Estates

Rush University Medical Center (Chicago)

Advocate Good Samaritan Hospital (Downers Grove)

West Suburban Medical Center (Oak Park)

OSF St. Mary Medical Center (Galesburg)


Minden Medical Center


Berkshire Medical Center (Pittsfield)

Newton-Wellesley Hospital

Saint Anne's Hospital (Fall River)

Brigham and Women's Faulkner Hospital (Boston)

Cape Cod Hospital (Hyannis)

Harrington Memorial Hospital (Southbridge)

Addison Gilbert Hospital (Gloucester)

Beverly Hospital


Pen Bay Medical Center (Rockport)

Mid Coast Hospital (Brunswick)

Inland Hospital (Waterville)

St. Mary's Regional Medical Center of Maine (Lewiston)

Cary Medical Center (Caribou)


Huron Valley-Sinai Hospital (Commerce Township)

University of Michigan Hospitals and Health Centers


St. Francis Regional Medical Center (Shakopee)


Baptist Memorial Hospital Golden Triangle (Columbus)

Henry Ford Allegiance Health (Jackson)

North Carolina

Rex Hospital (Raleigh)

New Jersey

Jersey City Medical Center

Englewood Hospital and Medical Center

Saint Barnabas Medical Center (Livingston)


St. John Medical Center (Westlake)

Grady Memorial Hospital (Delaware)

Dublin Methodist Hospital


Texas Health Presbyterian Hospital Plano

Memorial Hermann Katy Hospital

St. David's Medical Center (Austin)


Sentara Williamsburg Regional Medical Center

Inova Loudoun Hospital (Leesburg)

Sentara Princess Anne Hospital (Virginia Beach)

Carilion New River Valley Medical Center (Christiansburg)

Sentara Virginia Beach General Hospital

Sentara Leigh Hospital (Norfolk)

Sentara Obici Hospital (Suffolk)

Sentara CarePlex Hospital (Hampton)


Virginia Mason Medical Center (Seattle)

Correction: This article was updated April 13 to correct the name of West Suburban Medical Center in Oak Park, Ill. An earlier version incorrectly named the hospital as West Suburban Samaritan Hospital. We regret the error.

This article was updated May 11 to add Henry Ford Allegiance Health to this list. An error with the data provided by Leapfrog mistakenly left the hospital off the initial list.

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