Question: Where are Children's National Medical Center and MedStar National Rehabilitation Hospital Located?

Context paragraphs:
Rehabilitation Hospital of Rhode Island: The Rehabilitation Hospital of Rhode Island (also known as Fogarty Hospital) is a private rehabilitation hospital at 116 Eddie Dowling Highway (Route 146A) in the Park Square area of North Smithfield, Rhode Island and with another unit, Landmark Medical Center in Woonsocket, Rhode Island.  The Rehabilitation Hospital "is the only free-standing hospital in Rhode Island devoted exclusively to inpatient and outpatient rehabilitation" and provides treatment for "acute illness, traumatic injury, major surgery or life-altering disease."

California Rehabilitation Institute: California Rehabilitation Institute is a physical medicine and rehabilitation hospital located in Century City, California.  The hospital is a joint venture of UCLA and Cedars-Sinai Medical Center.  The hospital opened in July 2016 and is being operated by Select Medical Corporation.

Magee Rehabilitation Hospital: Magee Rehabilitation Hospital, founded in 1958, is a 96-bed specialty medical rehabilitation hospital providing physical and cognitive rehabilitation services.  Magee’s flagship facility is located in Center City Philadelphia.  In addition to the main campus that offers comprehensive services for spinal cord injury, brain injury, stroke, orthopaedic replacement, amputation, pain management and work injury, Magee provides an expanding outpatient network serving the surrounding communities.  In 1985, Magee’s brain injury rehabilitation program became the first in the nation to be accredited by the Commission on the Accreditation of Rehabilitation Facilities.  Magee partnered with Jefferson Hospital to create one of the nation’s 14 federally designated centers for spinal cord injury rehabilitation.  Magee has been rated one of America’s leading rehabilitation hospitals by U.S. News & World Report.  Magee provides treatment to more than 5,000 individuals annually.  Magee is authorized to treat wounded military personnel returning from war.  Magee is not an Obligated Group Affiliate.

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.

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.

Burke Rehabilitation Hospital: Burke Rehabilitation Hospital is a non-profit, 150-bed acute rehabilitation hospital located in White Plains, New York.  It is the only hospital in Westchester County entirely dedicated to rehabilitation medicine.  Opened in 1915, Burke has been involved in medical rehabilitation for over one hundred years.  As of January 2016, Burke is a member of the Montefiore Health System, Inc.

Rancho Los Amigos National Rehabilitation Center: Rancho Los Amigos National Rehabilitation Center is a rehabilitation hospital located in Downey, California, United States.  Its name in Spanish means "Friends' Ranch".

Rehabilitation Institute of Chicago: The Rehabilitation Institute of Chicago (RIC) is a specialty rehabilitation hospital located in Chicago, Illinois, United States.  It also operates a network of alliance hospitals and outpatient and day rehabilitation clinics throughout Illinois and Indiana.  RIC is ranked #1 Rehabilitation Hospital in America by U.S. News & World Report since 1991.

MedStar National Rehabilitation Hospital: MedStar National Rehabilitation Network (MedStar NRH) is located in Washington, D.C., and specializes in treating persons with physical disabilities, including spinal cord injury, brain injury, stroke, arthritis, amputation, multiple sclerosis, post-polio syndrome, orthopedic, and other neurological conditions.

St. John's Regional Medical Center (California): St. John's Regional Medical Center is a hospital located in Oxnard, California in the United States, and is operated by Dignity Health, along with its sister hospital, St. John's Pleasant Valley Hospital in Camarillo, California.  The hospital was founded in 1912.  St. John's Regional Medical Center and St. John's Pleasant Valley Hospital offer comprehensive medical services, including 24-hour emergency medical and surgical services and care, cancer and oncology care and support, cardiovascular care, community outreach and screenings, diagnostic imaging services, laboratory services, maternity and women's services, neonatal intensive care, palliative care, patient and family education, rehabilitation services, spine and orthopedic care, weight loss surgery, wound healing and oxygen therapy, and more.  Together, St. John's Regional Medical Center and St. John's Pleasant Valley Hospital represent the largest acute-care health organization in Ventura County.  St. John's hospitals serve all of Ventura County and beyond, including the cities of Camarillo, Moorpark, Oxnard, Port Hueneme, Ventura, and Somis.

Supporting paragraphs: Children's National Medical Center MedStar National Rehabilitation Hospital
Answer: located in Washington, D.C.