Question: Which hospital shares its grounds with the Washington Hospital Center, Howard University Hospital or Children's National Medical Center?

Context paragraphs:
Charity Hospital (New Orleans): Charity Hospital was one of two teaching hospitals which were part of the Medical Center of Louisiana at New Orleans (MCLNO), the other being University Hospital.  Three weeks after the events of Hurricane Katrina, then Governor Kathleen Blanco said that Charity Hospital would not reopen as a functioning hospital.  The Louisiana State University System, which owns the building, stated that it had no plans to reopen the hospital in its original location.  It chose to incorporate Charity Hospital into the city's new medical center in the lower Mid-City neighborhood.  The new hospital completed in August 2015 was named University Medical Center New Orleans.

Mercy Hospital and Medical Center: Mercy Hospital and Medical Center is a 292 bed general medical and surgical Catholic teaching hospital in Chicago, Illinois.  Established in 1852, The hospital was the first chartered hospital in Chicago.  In 1859, Mercy Hospital became the first Catholic hospital to affiliate with a medical school—Lind Medical School—and the first to require a graded curriculum.  Today, Mercy Hospital and Medical Center is part of a nationwide network of Mercy Healthcare facilities.  Mercy also is the hospital used by the Daley family: all of their children were born there.  Mercy sold a plot of land to the north of their hospital for 60 million dollars in 2008.  It is also the main women's cancer center in Illinois.  It accepted patients from Michael Reese Hospital and Medical Center and absorbed the ambulance routes when the hospital closed in 2008.  Mercy follows Catholic teaching but does give birth control to rape patients.

Children's National Medical Center: Children’s National Medical Center (formerly DC Children’s Hospital) is ranked among the top 10 children’s hospitals in the country by "U.S. News & World Report."  Located just north of the McMillan Reservoir and Howard University, it shares grounds with Washington Hospital Center, National Rehabilitation Hospital, and the DC Veterans Affairs Medical Center.  Kurt Newman, M.D., has served as the president and chief executive officer of Children’s National since 2011.  Children's National is a not-for-profit institution that performs more than 450,000 visits each year.  Featuring 303 beds and a Level IV NICU, Children's National is the regional referral center for pediatric emergency, trauma, cancer, cardiac and critical care as well as neonatology, orthopaedic surgery, neurology and neurosurgery.

Georgetown University School of Medicine: Georgetown University School of Medicine, a medical school opened in 1851, is one of Georgetown University's five graduate schools.  It is located on Reservoir Road in the Georgetown neighborhood of Washington, DC, adjacent to the University's main campus.  The School of Medicine works in association with the 609-bed Georgetown University Hospital, Washington Hospital Center, and nine other affiliated federal and community hospitals in the Washington metropolitan area.  Georgetown is the oldest Catholic medical school in the United States.

Tomoaki Kato: Tomoaki Kato, M.D., is a noted pioneer in multiple-organ transplantation, pediatric and adult liver transplantation.  Kato is Surgical Director of Adult and Pediatric Liver and Intestinal Transplantation at NewYork-Presbyterian Hospital/Columbia University Medical Center and is a professor of surgery at Columbia University College of Physicians and Surgeons.  Kato is also known for unique and innovative surgeries for adults and children, including a six-organ transplant; a procedure called APOLT (auxiliary partial orthotopic liver transplantation) that resuscitates a failing liver by attaching a partial donor liver, making immunosuppressant drugs unnecessary; and the first successful human partial bladder transplantation involving the transplant of two kidneys together with ureters connected to a patch of the donor bladder.  In a highly publicized case, he led the first reported removal and re-implantation, or auto-transplantation, of six organs to excise a hard-to-reach abdominal tumor.  Previously the director of pediatric liver and gastrointestinal transplant and professor of clinical surgery at the University of Miami School of Medicine, Kato received his medical degree from the Osaka University Medical School in Japan and received his residency training in surgery at Osaka University Hospital and Itami City Hospital in Hyogo, Japan.  He completed a clinical fellowship in transplantation at the University of Miami/Jackson Memorial Hospital, in Miami, Florida, where he was subsequently appointed to the surgical faculty in 1997, and promoted to full professor in 2007.  He served as a surgeon and senior leader of the liver and transplantation center at Miami's Jackson Memorial Hospital, beginning in 1997, and at University of Miami Hospital (previously Cedars Medical Center), beginning in 2004.  Kato is a member of numerous professional and honorary organizations, and the author or co-author of more than 180 scientific papers in peer-reviewed journals.

MedStar Washington Hospital Center: MedStar Washington Hospital Center is the largest private hospital in Washington, D.C. A member of MedStar Health, the not-for-profit Hospital Center is licensed for 926 beds.  Health services in primary, secondary and tertiary care are offered to adult and neonatal patients.  It also serves as a teaching hospital for Georgetown University School of Medicine.

NYU Winthrop Hospital: NYU Winthrop Hospital is a 591-bed hospital located in Mineola, New York.  The hospital was founded in 1896 under the name Nassau Hospital, and was Long Island, New York's first voluntary hospital.  In the 1980s, the hospital was renamed Winthrop–University Hospital, where it was a teaching hospital for Stony Brook University.  In 2016, Winthrop-University Hospital announced its intentions to merge with NYU Langone Medical Center, and on April 1, 2017, Winthrop-University Hospital officially became an affiliate of NYU Langone Medical Center, and was renamed NYU Winthrop Hospital.  NYU Winthrop is an adult Level 1 Trauma Center, and Nassau County’s only trauma center with full adult and pediatric capabilities.

List of hospitals in North Carolina: This is a list of hospitals in North Carolina.  There are 126 hospitals in 83 counties.  Seventeen counties currently do not have a hospital.  Duke University Hospital is currently the largest hospital, with 943 hospital beds.  Vidant Bertie Hospital is currently the smallest, with six hospital beds.  Charlotte has the highest concentration of hospitals, with seven.  Four hospitals serve as university-affiliated academic medical centers: Duke University Hospital, Vidant Medical Center, UNC Health Care and Wake Forest Baptist Medical Center, while Carolinas Medical Center is unaffiliated.

Howard University Hospital: Howard University Hospital, previously known as Freedmen's Hospital, is a major hospital lcated in Washington, D.C., built on the site of the previous Griffith Stadium.  The hospital has served the African American community in the area for over 150 years, having been established in 1862 to cater for the medical needs of the thousands of African Americans who came to Washington during the Civil War, seeking their freedom.  The first hospital of its kind to provide medical treatment for former slaves, it later became the major hospital for the area's African-American community.  Following the closure of D.C. General Hospital, As of 2016, the hospital has the highest rate of wrongful death lawsuits of any health facility in Washington D.C. over the previous decade.

Banner University Medical Center Tucson: Banner - University Medical Center Tucson (BUMCT), formerly University Medical Center and the University of Arizona Medical Center, is a private, non-profit, 487-bed acute-care hospital located on the campus of the University of Arizona in Tucson, Arizona.  BUMCT is part of the University of Arizona Health Sciences (UAHS) center campus which includes the university's Colleges of Medicine, Nursing, Pharmacy and Public Health.  It is Southern Arizona's only Level I trauma center for both adult and pediatric patients.  BUMCT is one of two University of Arizona affiliated academic medical centers in Tucson with Banner - University Medical Center South (formerly Kino Community Hospital, University Physicians Healthcare Hospital, and University of Arizona Medical Center - South Campus) being the other such institution.  The area's only dedicated Children's hospital, Banner Children's at Diamond Children's Medical Center, is located within and adjacent to BUMCT.

Supporting paragraphs: Howard University Hospital Children's National Medical Center
Answer: Children’s National Medical Center