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Medicare plans in Nantucket County, MA — 2026
What agents look up before working a county: plan count, carriers, $0-premium share, star distribution, MOOP range, the 65+ and 60–64 population, and what changed since last year.
In 2026, Nantucket County, Massachusetts has 17 Medicare plans (4 Medicare Advantage with drug coverage, 0 without, 11 standalone Part D, 2 Special Needs) from 7 carriers. 1 Medicare Advantage plan has a $0 premium. The lowest in-network out-of-pocket maximum is $3,150.
Market snapshot
- Residents 65 and older
- 2,327
- Residents 60–64, aging in over the next five years
- 928
- Medicare eligibles
- 2,421
- Medicare Advantage penetration
- 6.4%
- Plans per 1,000 residents 65+
- 7.3
Carriers by number of plans
- Mass General Brigham Health Plan — 6 plans
- Humana — 3 plans
- Blue MedicareRx — 2 plans
- UnitedHealthcare — 2 plans
- Wellcare — 2 plans
- Aetna Medicare — 1 plan
- HealthSpring — 1 plan
Plans sorted by CMS star rating, then premium
| Plan | Carrier | Category | Plan type | Monthly premium | Drug deductible | Out-of-pocket maximum | Star rating |
|---|
| Mass General Brigham Advantage (PPO) (H9485-001-0) | Mass General Brigham Health Plan | MA-PD | PPO | $0 | $350 | $5,500 | 4.0 |
|---|
| Mass General Brigham Advantage Secure (HMO-POS) (H6847-001-0) | Mass General Brigham Health Plan | MA-PD | HMO-POS | $62 | $350 | $3,350 | 4.0 |
|---|
| Mass General Brigham Advantage Premier (PPO) (H9485-002-0) | Mass General Brigham Health Plan | MA-PD | PPO | $150 | $350 | $3,150 | 4.0 |
|---|
| Mass General Brigham Advantage Signature (PPO) (H9485-003-0) | Mass General Brigham Health Plan | MA-PD | PPO | $325 | $350 | $0 | 4.0 |
|---|
| Humana Basic Rx Plan (PDP) (S5884-102-0) | Humana | PDP | PDP | $8.40 | $615 | | Not rated |
|---|
| Wellcare Value Script (PDP) (S4802-137-0) | Wellcare | PDP | PDP | $16.40 | $615 | | Not rated |
|---|
| Blue MedicareRx Value Plus (PDP) (S2893-001-0) | Blue MedicareRx | PDP | PDP | $20.70 | $615 | | Not rated |
|---|
| Wellcare Classic (PDP) (S4802-076-0) | Wellcare | PDP | PDP | $21.70 | $615 | | Not rated |
|---|
| SilverScript Choice (PDP) (S5601-004-0) | Aetna Medicare | PDP | PDP | $32.70 | $615 | | Not rated |
|---|
| Mass General Brigham One Care (HMO D-SNP) (H1611-001-0) | Mass General Brigham Health Plan | SNP | HMO D-SNP | $35.80 | $615 | $9,250 | Plan Too New To Be Measured |
|---|
Showing 10 of 17 plans.
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About this data
Source: CMS Medicare Advantage/Part D Landscape files, plan year 2026; population: U.S. Census Bureau ACS 5-year 2024; MA penetration: CMS September 2026.
This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.