Concord and Walnut Creek Medical Centers were also again designated as Best Regional Hospitals for the 10th straight year. Walnut Creek, Calif. (July 29, 2025) – John Muir Health’s Concord and Walnut Creek Medical Centers were two of only 504 hospitals (11% of the more than 4,400 hospitals evaluated nationwide) to earn the designation of Best Regional Hospitals by U.S. News & World Report in its annual list of America's Best Hospitals released today. To earn this distinction, each medical center had to