Medicare Advantage in Jefferson County, NY, for 2027.
CMS lists 36 Medicare Advantage plans here for 2027, 5 fewer than 2026 (41). 11,591 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
12 plans with members in the county end or leave it, plus 25 with 10 or fewer members here. CMS moves 196 members to another plan, and 7,638 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Medicare BlueVital (PPO) | Lifetime Healthcare | 1,628 | Plan terminated |
| HumanaChoice Giveback H5970-030 (PPO) | Humana | 447 | Plan terminated |
| Medicare BlueEnhanced (PPO) | Lifetime Healthcare | 361 | Plan terminated |
| Medicare BlueBalanced (PPO) | Lifetime Healthcare | 347 | Plan terminated |
| HumanaChoice SNP-DE H5970-020 (PPO D-SNP) | Humana | 238 | Plan terminated |
| Humana Gold Plus SNP-DE H3533-002 (HMO D-SNP) | Humana | 115 | Plan leaves this county |
| CDPHP $0 Medicare Rx (HMO) | Lifetime Healthcare | 51 | Plan leaves this county |
| MVP Medicare Complete Wellness with Part D (PPO) | MVP Health Care | 50 | Plan terminated |
| Medicare BlueSalute (PPO) | Lifetime Healthcare | 20 | Plan terminated |
| Aetna Medicare Partial Dual (HMO D-SNP) | CVS Health | 14 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| Wellcare Simple (HMO-POS) | Wellcare Fidelis Simple (HMO-POS) | 98 |
| Wellcare Fidelis Dual Liberty Sync (HMO D-SNP) | Wellcare Fidelis Dual Liberty Sync (HMO D-SNP) | 98 |
Who holds the members
- UnitedHealth4,810
- Lifetime Healthcare2,478
- CVS Health2,035
- Humana1,134
- Centene1,053
- MVP Health Care81
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Nursing Home Plan NY-F001 (PPO I-SNP)UnitedHealth5.0
- UHC Dual Complete NY-S001 (PPO D-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 36 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Jefferson 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 New York 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.