Medicare plan changes in Oregon for 2027
Across 36 counties in Oregon, the 2027 CMS file lists 289 county listings of Medicare Advantage plans with drug coverage, compared with 361 in 2026. By our count, 6 counties have none in 2027, including counties that do not appear in the CMS file at all.
Before you choose a plan
Compare plans for your ZIP code, drugs and doctors on the official Medicare Plan Finder, or call 1-800-MEDICARE (1-800-633-4227). Free, unbiased counselling is available from your State Health Insurance Assistance Program at shiphelp.org.
By county
| County | 2026 plans | 2027 plans | Change | Companies leaving |
|---|---|---|---|---|
| Baker County | 3 | 3 | +0 | None |
| Benton County | 20 | 14 | -6 | Centene Corporation |
| Clackamas County | 33 | 25 | -8 | Health Care Service Corporation, PacificSource, Providence St Joseph Health |
| Clatsop County | 3 | 5 | +2 | None |
| Columbia County | 25 | 21 | -4 | Health Care Service Corporation |
| Coos County | 1 | 1 | +0 | None |
| Crook County | 4 | 5 | +1 | None |
| Curry County | 0 | 0 | +0 | None |
| Deschutes County | 4 | 2 | -2 | None |
| Douglas County | 9 | 3 | -6 | Cambia Health Solutions, Inc. |
| Gilliam County | 3 | 6 | +3 | None |
| Grant County (not listed in either CMS file) | 0 | 0 | +0 | None |
| Harney County (not listed in either CMS file) | 0 | 0 | +0 | None |
| Hood River County | 15 | 11 | -4 | Providence St Joseph Health |
| Jackson County | 15 | 3 | -12 | Cambia Health Solutions, Inc., Centene Corporation, UnitedHealth Group, Inc. |
| Jefferson County | 4 | 2 | -2 | None |
| Josephine County | 15 | 3 | -12 | Cambia Health Solutions, Inc., Centene Corporation, UnitedHealth Group, Inc. |
| Klamath County | 6 | 4 | -2 | None |
| Lake County (not listed in either CMS file) | 0 | 0 | +0 | None |
| Lane County | 25 | 21 | -4 | Providence St Joseph Health |
| Lincoln County | 3 | 4 | +1 | None |
| Linn County | 19 | 16 | -3 | Cambia Health Solutions, Inc. |
| Malheur County | 4 | 4 | +0 | None |
| Marion County | 22 | 19 | -3 | None |
| Morrow County | 3 | 3 | +0 | None |
| Multnomah County | 33 | 25 | -8 | Health Care Service Corporation, PacificSource, Providence St Joseph Health |
| Polk County | 18 | 17 | -1 | Cambia Health Solutions, Inc. |
| Sherman County | 7 | 8 | +1 | None |
| Tillamook County | 4 | 5 | +1 | None |
| Umatilla County (not listed in either CMS file) | 0 | 0 | +0 | None |
| Union County (not listed in either CMS file) | 0 | 0 | +0 | None |
| Wallowa County | 3 | 3 | +0 | None |
| Wasco County | 5 | 6 | +1 | None |
| Washington County | 33 | 25 | -8 | Health Care Service Corporation, PacificSource, Providence St Joseph Health |
| Wheeler County | 0 | 3 | +3 | None |
| Yamhill County | 22 | 22 | +0 | Providence St Joseph Health |
Stand-alone Part D drug plans in Oregon for 2027
8 plans in 2027, compared with 10 in 2026. Lowest monthly drug plan premium: $5.30 (2026: $0).
| Plan | Company | Monthly premium | Deductible | Star rating |
|---|---|---|---|---|
| Wellcare Value Script (PDP) | Wellcare | $5.30 | $700 | Not Applicable |
| Humana Basic Rx Plan (PDP) | Humana | $6.30 | $700 | Not Applicable |
| Wellcare Classic (PDP) | Wellcare | $7.30 | $700 | Not Applicable |
| HealthSpring Assurance Rx (PDP) | HealthSpring | $9.30 | $700 | Not Applicable |
| Humana Value Rx Plan (PDP) | Humana | $37.40 | $687 | Not Applicable |
| AARP Medicare Rx Saver from UHC (PDP) | UnitedHealthcare | $105.50 | $700 | Not Applicable |
| Humana Premier Rx Plan (PDP) | Humana | $127.90 | $350 | Not Applicable |
| AARP Medicare Rx Preferred from UHC (PDP) | UnitedHealthcare | $184.20 | $300 | Not Applicable |
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
- US Census Bureau, 2024 Gazetteer Files, counties
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.