Insurance – Medicare Enrollment Demographics
This indicator reports information about the Medicare population, including the number of beneficiaries enrolled in parts A & B (the Fee-for-Service population) and the number enrolled in Medicare Advantage. Demographic information is provided for the Fee-for-Service population only.
Source
Source Description
The Centers for Medicare & Medicaid Services (CMS), a branch of the Department of Health and Human Services (HHS), is the federal agency that runs the Medicare Program and monitors Medicaid programs offered by each state. Medicare is a type of federally-funded health insurance available to disabled persons and the population age 65 and older. The Office of Enterprise Data and Analytics within the Centers for Medicare & Medicaid Services (CMS) developed a public use file to support further analysis of the geographic variation in the amount and quality of the health care services that Medicare beneficiaries receive. For more information, please see the Geographic Variation Public Use File Methodology document.
Methodology
This indicator reports information on Medicare beneficiary enrollment. Data are from the Centers for Medicare & Medicaid Services (CMS) Geographic Variation Public Use File, which was developed to enable researchers and policymakers to evaluate geographic variation in the utilization and quality of health care services for the Medicare fee-for-service population. The Geographic Variation Public Use File includes demographic, spending, utilization, and quality indicators at the state level (including the District of Columbia, Puerto Rico, and the Virgin Islands), hospital referral region (HRR) level, and county level. Certain categories of Medicare beneficiaries are excluded from the reported statistics, including 1) beneficiaries who were enrolled at any point during the year in a Medicare Advantage (MA) plan and 2) beneficiaries who were enrolled at any point in the year in Part A only or Part B only (roughly 6.8 million in 2018, about 11 percent of the overall total). Information on the sample population and the methodology used to for this indicator can be found in the Methodological Overview paper and the Technical Supplement on Standardization paper.
Data Breakouts Available
- Medicare Fee-for-Service Population by Race/Ethnicity
- Medicare Fee-for-Service Population by Gender
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