1,953 articles
NAID-F trial
NAID-F (NCT07263529) is a single-center, open-label trial at Istanbul University-Cerrahpasa testing dietary counseling then 80 mg/day oral ferrous sulfate in 60 women aged 18-55 with non-anemic iron deficiency.
NAMI trial
The NAMI trial is a Finnish clinical trial at the University of Turku testing whether dietary counseling and probiotics during pregnancy reduce allergy and obesity.
Nancy Nielsen
Nancy Nielsen is an American physician and health policy expert at the University at Buffalo who served as president of the American Medical Association from 2008 to 2009.
Nanfang Hospital
Nanfang Hospital (南方医科大学南方医院) is a Grade 3A teaching hospital in Guangzhou, First Affiliated Hospital of Southern Medical University; founded 1941 as a New Fourth Army military hospital, 3,601 beds, Fudan A++++ tier.
Narayana Health
Narayana Health (Narayana Hrudayalaya Limited), Indian hospital chain founded 2001 by Devi Prasad Shetty in Bengaluru; low-cost high-volume cardiac care, Cayman Islands and UK hospitals, and its own insurance subsidiary.
National Board of Health
National Board of Health (Sundhedsstyrelsen) is Denmark's national health authority, established 30 May 1909, replacing Sundhedskollegiet; agency under the Ministry of the Interior and Health, led by Jonas Egebart since 2023.
National Board of Health and Welfare
The National Board of Health and Welfare (Swedish: Socialstyrelsen) is a Swedish government agency established in 1968 that licenses healthcare professions and publishes national health statistics.
National Centre for Infectious Diseases
National Centre for Infectious Diseases (NCID; 国家传染病中心), Singapore's 330-bed national infectious disease facility in Novena, opened 7 September 2019, replacing the 1907 Communicable Disease Centre; led COVID-19 response; public health functions moved to CDA in 2025.
National Health Council
National Health Council (NHC), founded 1920, Washington DC nonprofit uniting nearly 200 health organizations, including patient groups, to drive patient-centered health policy for 200+ million Americans with chronic diseases and disabilities.
National Health Programs
National Health Programs: components of a national health care system administering specific services such as national health insurance (MeSH D009313). Includes Bismarck's 1880s German insurance, the UK NHS (1948), and US Medicare and Medicaid (1965).
National Health Service
National Health Service (NHS): UK's publicly funded healthcare system, launched 5 July 1948 under Aneurin Bevan, free at point of delivery, tax-funded, governed by the NHS Constitution, now undergoing abolition of NHS England into DHSC by 2027.
National Health Service (England)
National Health Service (NHS) in England, also called NHS England, the publicly funded healthcare system launched 5 July 1948 by Aneurin Bevan, free at point of delivery, run by ICBs since 2022, with NHS England the oversight body slated for abolition into DHSC by 2027.
National Hospital (Kozhikode, IN)
National Hospital, Kozhikode (National Hospital Kozhikode) is a 400-bedded private super-specialty hospital on Indira Gandhi Road at Mavoor Road junction, Kozhikode, Kerala, with about 20 departments, NABH pre-accreditation, and a nursing college as its parent-hospital affiliate.
National Hospital (Panama City, PA)
Hospital Nacional is a private hospital in Panama City, Panama, opened in 1973 as Clínica Nacional and grown to more than 107 beds after its 2013 expansion.
National Hospital for Neurology and Neurosurgery
National Hospital for Neurology and Neurosurgery (NHNN), Queen Square, London: the world's first specialised neurological hospital, founded 1859, UK's largest dedicated neurology and neurosurgery hospital, run by UCLH, partnering with UCL's Institute of Neurology.
National Inpatient Sample analysis
National Inpatient Sample analysis is observational research using the NIS, the largest all-payer US hospital discharge database, to estimate national inpatient utilization, cost, and outcomes.
National Institute for Communicable Disease Control and Prevention
National Institute for Communicable Disease Control and Prevention (中国疾病预防控制中心传染病预防控制所), China CDC's national institute for bacterial infectious disease control, founded 1953, runs pathogen identification and vector surveillance networks from Beijing.
National Institute for Occupational Safety and Health
NIOSH (National Institute for Occupational Safety and Health) is the CDC/HHS federal research agency preventing work-related injury and illness, created by the 1970 OSH Act; it approves respirators, issues RELs, and faced near-total 2025 layoffs later rescinded.
National Institute of Allergy and Infectious Diseases
NIAID (National Institute of Allergy and Infectious Diseases), an NIH institute since 1955, funds US research on infectious, immunologic, and allergic diseases; about $6.6 billion budget, VTEUs, HIV/AIDS networks, COVID-19 vaccine role, and 2023-2025 leadership upheaval.
National Institute of Child Health (Budapest, HU)
National Institute of Child Health (Országos Gyermekegészségügyi Intézet, OGYEI), Budapest: Hungarian national child-health institute created 2003, successor of the 1998-dissolved infant and child health institute; its Methodological Directorate continues at Heim Pál Children's Hospital. Distinct from the pharmacy institute OGYÉI.
National Institute of Child Health (Karachi, PK)
National Institute of Child Health (NICH), Karachi: Pakistan's largest public pediatric hospital, opened 1962, 500-550 beds, free care to over 1 million patients yearly, largest pediatric ER and incubator facility, Edhi Medical Tower expansion.
National Institute of Health
National Institute of Health (NIH), Islamabad: Pakistan's national public health institute under NHSR&C, formed from 1948 Bureau of Laboratories, autonomous by 1980 ordinance, reorganized 2021; runs polio reference lab, IDSRS, and vaccine production; distinct from the US National Institutes of Health.
National Medical Center
The National Medical Center (국립중앙의료원) is a public general hospital in Jung-gu, Seoul, opened in 1958 with Scandinavian and UN aid after the Korean War.
National Patient Safety Agency
The National Patient Safety Agency (NPSA) was an NHS Special Health Authority, established in 2001, that ran the voluntary National Reporting and Learning System for patient safety incidents in England and Wales; abolished in 2012.
National Provider Identifier
National Provider Identifier (NPI): 10-digit intelligence-free number identifying US health care providers under HIPAA, assigned via NPPES, Luhn check digit, compliance from May 23, 2007.
National Taiwan University Hospital
National Taiwan University Hospital (NTUH, 國立臺灣大學醫學院附設醫院), founded 1895 in Taipei, is Taiwan's oldest large public hospital and a national medical center; JCI-accredited, with branch hospitals and over 5,400 system beds.
National University Hospital (Damascus, SY)
National University Hospital (المستشفى الوطني الجامعي), formerly Al-Assad University Hospital, is a Damascus University teaching and referral hospital opened 14 March 1988, with 597 beds, renamed in December 2024 after the Assad regime's fall.
National University Hospital (Singapore, SG)
National University Hospital (NUH), Singapore's university hospital at Kent Ridge, opened 24 June 1985 as the country's first restructured hospital; principal teaching hospital of NUS Yong Loo Lin School of Medicine, 1,289 beds, member of NUHS.
Natural history study
A natural history study is a preplanned observational study that tracks a disease's course over time without assigning an intervention, informing rare-disease drug development and external controls.
NCOM study
NCOM study (NCT06219083), a prospective multicenter cohort in Xi'an, China, tracking nutritional status (mPG-SGA) and clinical outcomes in 1,538 cancer patients across 11 hospitals over 5 years.