Medicare Advantage in Merrimack County, NH, for 2027.
CMS lists 13 Medicare Advantage plans here for 2027, the same as 2026. 15,036 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
3 plans with members in the county end or leave it, plus 25 with 10 or fewer members here. CMS moves 0 members to another plan, and 8,664 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| AARP Medicare Advantage from UHC NH-0003 (PPO) | UnitedHealth | 790 | Plan terminated |
| WellSense Added Value (HMO) | BMC Health System | 179 | Plan terminated |
| AARP Medicare Advantage from UHC NH-1 (HMO-POS) | UnitedHealth | 94 | Plan terminated |
Who holds the members
- UnitedHealth5,480
- Humana4,884
- Elevance Health4,157
- CVS Health316
- BMC Health System179
- Health Care Service20
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Nursing Home Plan EX-F003 (PPO I-SNP)UnitedHealth5.0
- UHC Medicare Advantage NH-001A (PPO)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 13 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Merrimack 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 Hampshire 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.