Medicare Part D Enrollment

The Medicare Part D Enrollment tables provide data on characteristics of the Medicare Part D covered population.

These data, previously published as CMS Program Statistics (CPS), do not exist in a machine-readable format yet, so the view data and API options are not available. Please use the download function to access the data.

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

Data e Risorse

Campo Valore
accessLevel public
accrualPeriodicity R/P1Y
bureauCode {009:38}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://healthdata.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
dataQuality true
describedBy https://data.cms.gov/resources/medicare-summary-reports-glossary
identifier https://data.cms.gov/data-api/v1/dataset/d8c69aca-2497-4a83-a181-706a960c77f0/data-viewer
issued 2021-12-22
landingPage https://data.cms.gov/summary-statistics-on-beneficiary-enrollment/medicare-and-medicaid-reports/medicare-part-d-enrollment
language {en-US}
license https://www.usa.gov/government-works
modified 2022-02-03
programCode {009:000}
publisher Centers for Medicare & Medicaid Services
references {https://data.cms.gov/resources/medicare-and-medicaid-reports-methodology}
resource-type Dataset
source_datajson_identifier true
source_hash 4083aa9019b4cfb9dba5191410c00ea75384e400
source_schema_version 1.1
temporal 2013-01-01/2020-12-31
theme {Medicare}
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • amerigeo
  • amerigeoss
  • beneficiary-enrollment
  • ckan
  • geo
  • geoss
  • health-equity
  • medicare
  • medicare-advantage
  • medicare-prescription-drug
  • national
  • north-america
  • states-territories
  • united-states
isopen False
license_id other-license-specified
license_title other-license-specified
maintainer CMS Program Statistics - OEDA
maintainer_email IPAG_Data_Products@cms.hhs.gov
metadata_created 2025-11-20T02:58:09.302315
metadata_modified 2025-11-20T02:58:09.302319
notes The Medicare Part D Enrollment tables provide data on characteristics of the Medicare Part D covered population. These data, previously published as CMS Program Statistics (CPS), do not exist in a machine-readable format yet, so the view data and API options are not available. Please use the download function to access the data. 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
num_resources 8
num_tags 14
title Medicare Part D Enrollment