CMS's own filing for District of Columbia
Medicare Advantage plans in District of Columbia, by the numbers
What CMS published about Medicare enrollment in District of Columbia: 5 of 5 measures filed for this state, each one a field of the state's own row with the date the file was read.
- figures published by CMS
- 5
- counts CMS withheld
- 0
- the day this file was read
- 2026-09-11
Where District of Columbia sits among the states
34.3% of everyone with Medicare in District of Columbia is in a Medicare Advantage or other health plan rather than Original Medicare. That puts District of Columbia 43th of 51, between New Hampshire above it and Nebraska below. Across the country the same figure runs from 62.8% in Michigan down to 3.0% in Alaska, so what counts as the ordinary choice depends on where a person lives, and this is what it is where they do.
Every measure CMS filed for District of Columbia
| Measure | What CMS published | Source |
|---|---|---|
| People with Medicare | In 2025, 97,257 people were enrolled in Medicare in District of Columbia. | CMS Medicare Monthly Enrollment, 2025 read September 2026 |
| In Medicare Advantage and other health plans | In 2025, 33,387 of them were in Medicare Advantage or another health plan rather than Original Medicare in District of Columbia (34.3% of everyone with Medicare in District of Columbia). | CMS Medicare Monthly Enrollment, 2025 read September 2026 |
| In Original Medicare | In 2025, 63,870 stayed in Original Medicare in District of Columbia (65.7% of everyone with Medicare in District of Columbia). | CMS Medicare Monthly Enrollment, 2025 read September 2026 |
| In a stand-alone Part D drug plan | In 2025, 39,540 bought drug coverage as a stand-alone Part D plan in District of Columbia (40.7% of everyone with Medicare in District of Columbia). | CMS Medicare Monthly Enrollment, 2025 read September 2026 |
| Also covered by Medicaid | In 2025, 31,694 were covered by Medicaid as well as Medicare in District of Columbia (32.6% of everyone with Medicare in District of Columbia). | CMS Medicare Monthly Enrollment, 2025 read September 2026 |
A withheld figure means CMS did not publish the count, never that the count is zero.
Cite or embed this figure
District of Columbia: 5 Medicare enrollment figures published by CMS and 0 counts withheld (Medicare Plan Comparison State Enrollment Index).
Cite as: "Medicare Plan Comparison State Enrollment Index: District of Columbia", updated 2026-09-11, https://medicareplancomparison.com/states/district-of-columbia/.
Download the District of Columbia figures (CSV), free to reuse with citation.