Medicare Monthly Enrollment

Medicare Monthly Enrollment is published by Centers for Medicare & Medicaid Services. DatenUS uses it for: Medicare, Medicare Advantage and Part D enrollment by state and county. We load it on a schedule from the official source and show the date of the latest update on every page that uses it.

Official source: data.cms.gov

• Health Insurance Coverage
• Medicare Enrollment

Frequently asked questions

Is Medicare Monthly Enrollment data free to use?

Yes. Medicare Monthly Enrollment is a work of the U.S. government and is in the public domain. You can use it without a license; citing Centers for Medicare & Medicaid Services is good practice.

Who publishes Medicare Monthly Enrollment?

Centers for Medicare & Medicaid Services publishes it. The official page is https://data.cms.gov/summary-statistics-on-beneficiary-enrollment/medicare-and-medicaid-reports/medicare-monthly-enrollment.

How current is Medicare Monthly Enrollment on DatenUS?

The latest data we loaded is as of 07/01/2026. We check the source on a schedule and update the pages that use it.

How should I cite this data?

Cite the original publisher: Medicare Monthly Enrollment, Centers for Medicare & Medicaid Services, https://data.cms.gov/summary-statistics-on-beneficiary-enrollment/medicare-and-medicaid-reports/medicare-monthly-enrollment. If you used a DatenUS page, you can add its URL as the place you viewed it.