The National Ambulatory Medical Care Survey (NAMCS) is a national survey designed to provide objective, reliable information about the provision and use of ambulatory medical care services in the United States. The survey was conducted annually from 1973 to 1981, in 1985, and annually since 1989. The survey samples visits to non-federally employed office-based physicians who are primary engaged in...

The Medical Expenditure Panel Survey (MEPS) is a set of large-scale surveys of families and individuals, their medical providers (doctors, hospitals, pharmacies, etc.), and employers across the United States. MEPS collects data on the specific health services that Americans use, how frequently they use them, the cost of these services, and how they are paid for, as well as data on the cost, scope,...

The National Survey of Substance Abuse Treatment Services (N-SSATS) (formerly titled Uniform Facility Data Set (UFDS)) is designed to collect information from all facilities in the United States, both public and private, that provide substance abuse treatment. Data collected in N-SSATS include topics covering facility operation, services offered, primary focus, hotline operation, Opioid Treatment Programs...

The National Home and Hospice Care Survey (NHHCS) is a series of nationally representative sample surveys of U.S. home health and hospice agencies. It is meant to provide descriptive information on home health and hospice agencies, their staff, their services, and their patients. Information collected on agencies includes the year an agency was established, the types of services provided, referral...

The Outcome and Assessment Information Set (OASIS) is collected by the Centers for Medicare and Medicaid Services, and data is collected from all Medicare and Medicaid certified home care agencies, which comprise approximately 90% of all home care agencies. It is collected as a means to enable the rigorous and systematic measurement of patient home health care outcomes with appropriate adjustment for...