| Abbreviations | Meaning |
 | NFT | National Foundation For Transplants |
 | NGAP | Nomenclature Générale Des Actes Professionnels Des Médecins, Des Chirurgiens-dentistes, Des Sages-femmes Et Des Auxiliaires Médicaux |
 | NGC | National Guidelines Clearinghouse [evidence-based Clinical Practice Guidelines] |
 | NGDF | National Graves Disease Foundation |
 | NGF | National Gaucher Foundation |
 | NGLTF | National Gay And Lesbian Task Force |
 | NGNA | National Gerontological Nursing Association |
 | NGR | National Glaucoma Research |
 | NGSP | National Glycohemoglobin Standardization Program |
 | NHA | National Health Association |
 | NHAAP | National Heart Attack Alert Program |
 | NHAMCS | National Hospital Ambulatory Medical Care Survey |
 | NHANES | National Health And Nutrition Examination Survey |
 | NHBIA | New Hampshire Brain Injury Association |
 | NHBPEP | National High Blood Pressure Education Program |
 | NHC | New Zealand National Health Committee |
 | NHC | National Health Council |
 | NHCAA | National Health Care Anti-Fraud Association |
 | NHCCOEP | National Hispanic Colorectal Cancer Outreach And Education Project |
 | NHCHC | National Health Care For The Homeless Council |
 | NHCS | National Health Care Surveys |
 | NHCSSP | National Health Care Skill Standards Project |
 | NHDD | National Health Data Dictionary |
 | NHDHA | New Hampshire Dental Hygienists Association |
 | NHDR | National Healthcare Disparities Report |
 | NHDS | New Hampshire Dental Society |
 | NHDS | National Hospital Discharge Survey |
 | NHEERL | National Health And Environmental Effects Research Laboratory |
 | NHEFS | NHANES I Epidemiologic Followup Study |
 | NHELP | National Health Law Program |
 | NHES | National Health Examination Survey |
 | NHF | National Headache Foundation |
 | NHF | National Hemophilia Foundation |
 | NHGRI | National Human Genome Research Insitute |
 | NHHS | National Home And Hospice Survey |
 | NHIC | National Health Information Center |
 | NHIMAC | National Health Information Management Advisory Council |
 | NHIRC | National Health Information Resource Center |
 | NHIS | National Health Interview Survey |
 | NHIVNA | National HIV Nurse's Association (UK) |
 | NHLA | National Health Lawyers Association |
 | NHLBI | National Heart, Lung, And Blood Institute |
 | NHLBI OEI | NHLBI Obesity Education Initiative |
 | NHLC / CNLSS | National Healthcare Leadership Conference / Conférence Nationale Sur Le Leadership Dans Les Soins De Santé |
 | NHMA | National Hispanic Medical Association |
 | NHMRC | National Health And Medical Research Council |
 | NHNA | New Hampshire Nurses Association |
 | NHO | National Hospice Organization |
 | NHPC | Natural Holistic Pet Care |
 | NHPCO | National Hospice And Palliative Care Organization |