The Johns Hopkins Hospital (JHH) is the teaching hospital and biomedical research facility of Johns Hopkins School of Medicine in Baltimore, Maryland. Founded in 1889, Johns Hopkins Hospital and its school of medicine are considered to be the founding institutions of modern American medicine and the birthplace of numerous fame medical traditions, including rounds, residents, and house staff. Several medical specialties were founded at the hospital, including neurosurgery by Harvey Williams Cushing and Walter Dandy, cardiac surgery by Alfred Blalock, and child psychiatry by Leo Kanner. Johns Hopkins Children's Center which serves infants, children, teens, and young adults aged 0–21, is attached to the hospital.
Johns Hopkins Hospital is widely regarded as one of the world's greatest hospitals and medical institutions. For 21 consecutive years from 1991 to 2020, it was ranked as the best overall hospital in the United States by U.S. News & World Report. In its 2019–2020 edition, U.S. News & World Report ranked the hospital on 15 adult specialties and 10 children's specialties; the hospital came in 1st in Maryland and third nationally behind the Mayo Clinic in Rochester, Minnesota and Massachusetts General Hospital in Boston. In 2021, the hospital marked 32 consecutive years of placing in the top five hospitals in the nation.The hospital's founding in 1889 was made possible from a philanthropic bequest of over $7 million by city merchant, banker, financier, civic leader, and philanthropist Johns Hopkins, which at the time was the largest bequest in the history of the United States. The hospital is located at 600 North Broadway in Baltimore.