Medicare Advantage in Marion County, OR, for 2027.
CMS lists 33 Medicare Advantage plans here for 2027, 2 fewer than 2026 (35). 46,578 people in the county had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 plan file (October 2026 release), CMS CY2026 plan file (September 2026 release), CMS enrollment by county (CPSC), October 2026, CMS 2027 Plan Crosswalk (October 1, 2026), CMS 2027 Star Ratings Data Tables (October 8, 2026). Member counts are floors because CMS hides counts of 10 or fewer.
The county in numbers
Plans that end here for 2027
5 plans with members in the county end or leave it, plus 72 with 10 or fewer members here. CMS moves 7,242 members to another plan, and 31,986 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| AARP Medicare Advantage from UHC OR-0003 (HMO-POS) | UnitedHealth | 872 | Plan terminated |
| Wellcare Simple Open (PPO) | Centene | 872 | Plan leaves this county |
| ATRIO Prime Rx (HMO) | ATRIO Health Plans | 152 | Plan terminated |
| Samaritan Dual Advantage (HMO D-SNP) | Samaritan Health Services | 14 | Plan leaves this county |
| Providence Medicare Prime + Rx (HMO) | Providence St Joseph Health | 13 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| AARP Medicare Advantage Essentials from UHC OR-4 (HMO-POS) | AARP Medicare Advantage Essentials from UHC OR-7 (HMO-POS) | 5,983 |
| Wellcare Simple (HMO-POS) | Wellcare Low Premium (HMO-POS) | 467 |
| DEVOTED CORE 003 OR (HMO) | DEVOTED CORE 026 OR (HMO) | 394 |
| DEVOTED GIVEBACK 004 OR (HMO) | DEVOTED GIVEBACK 028 OR (HMO) | 307 |
| DEVOTED PREMIUM 006 OR (HMO) | DEVOTED PREMIUM 027 OR (HMO) | 91 |
Who holds the members
- UnitedHealth22,840
- Kaiser Foundation Health Plan10,390
- ATRIO Health Plans4,403
- Centene3,090
- Providence St Joseph Health1,722
- Cambia Health Solutions1,659
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Care Advantage OR-E001 (PPO I-SNP)UnitedHealth5.0
- UHC Nursing Home Plan OR-F001 (PPO I-SNP)UnitedHealth5.0
- Kaiser Permanente Senior Advantage Enhanced (HMO-POS)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Senior Advantage Standard (HMO-POS)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Senior Advantage Value (HMO-POS)Kaiser Foundation Health Plan4.5
- UHC Complete Care Support OR-1A (PPO C-SNP)UnitedHealth4.5
2027 overall Star Rating, 4.5 or more. Each plan's measure stars are in the county lookup.
See every plan, premium and copay in the free lookup.
Sort all 33 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Marion in the lookupWorking this county for AEP?
The AEP 2027 County Kit puts this county and your others in one file: the plans that end, where members land, what is still sold and a crosswalk sheet, with every number tied to its CMS file.
See the AEP 2027 County KitAll Oregon county pages. Facts from public CMS files, prepared by Health and Tech Now. Not plan advice. Check a plan's Summary of Benefits before you enroll.