data.cms.gov

CMS Program Statistics - Medicare Part D Enrollment

The CMS Program Statistics - Medicare Part D Enrollment tables provide data on characteristics of the Medicare Part D covered population.

Freshness

Last posted
Period covered
Jan 1, 2024 to Dec 31, 2024
Update frequency
Annually

Dates as CMS lists them in its catalog.

Columns

CMS does not publish a machine-readable column list for this dataset. Check the data dictionary linked above.

At a glance

Catalog
data.cms.gov
Publisher
Office of Enterprise Data and Analytics (OEDA)
Columns
0
State column
None found
Topics
Medicare enrollment, Prescription drugs, Medicare Advantage and Part D plans
Contact
IPAG_Data_Products@cms.hhs.gov

Versions 12

The newest version is the one linked above. Older releases stay on the official site.

  • 2024-01-01posted Sep 30, 2026
  • 2023-01-01posted Sep 30, 2025
  • 2022-01-01posted Sep 30, 2025
  • 2021-01-01posted Sep 8, 2025
  • 2020-12-31posted May 14, 2025
  • 2019-12-31posted May 14, 2025
  • 2018-12-31posted May 14, 2025
  • 2017-12-31posted May 14, 2025
Show 4 older versions
  • 2016-12-31posted May 14, 2025
  • 2015-12-31posted May 14, 2025
  • 2014-12-31posted May 14, 2025
  • 2013-12-31posted May 14, 2025

CMS's description

The CMS Program Statistics - Medicare Part D Enrollment tables provide data on characteristics of the Medicare Part D covered population. For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page. Below is the list of tables: MDCR ENROLL D 1. Medicare Part D Enrollment: Part D Enrollees by Type of Plan, Low Income Subsidy (LIS), and Retiree Drug Subsidy, Yearly Trend MDCR ENROLL D 2. Medicare Part D Enrollment: Part D Enrollees by Type of Plan, Low Income Subsidy (LIS), and Retiree Drug Subsidy, by Demographic Characteristics MDCR ENROLL D 3. Medicare Part D Enrollment: Part D Enrollees by Type of Plan, Low Income Subsidy (LIS), and Retiree Drug Subsidy, by Area of Residence

Methodology and other documents from CMS:

The summary at the top is the first sentence of this description. Record id cms:d8c69aca-2497-4a83-a181-706a960c77f0. This record as JSON.

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