- NAHC-NHPCO Alliance
- Nascentia Health
- Nassau University Medical Center
- Nathan Adelson Hospice
- National Academies Press
- National Academy for State Health Policy
- National Academy of Sciences
- National Adult Day Services Association
- National Alliance for Care at Home
- National Alliance for Caregiving
- National Alliance on Mental Illness
- National Asian Pacific Center on Aging (NAPCA)
- National Association for Business
- National Association for Health Care Quality
- National Association for Home Care & Hospice
- National Association for Home Care & Hospice.
- National Association for Home Care and Hospice
- National Association for Home Health & Hospice
- National Association of Accountable Care Organizations
- National Association of ACOs