Medicare Advantage in Plymouth County, MA, for 2027.
CMS lists 51 Medicare Advantage plans here for 2027, 4 fewer than 2026 (55). 42,094 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
8 plans with members in the county end or leave it, plus 60 with 10 or fewer members here. CMS moves 7,861 members to another plan, and 26,312 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Mass General Brigham Advantage (PPO) | Mass General Brigham Incorporated | 1,957 | Plan terminated |
| Mass General Brigham Advantage Premier (PPO) | Mass General Brigham Incorporated | 306 | Plan terminated |
| Tufts Medicare Preferred PPO RX (PPO) | Point32Health | 206 | Plan terminated |
| Mass General Brigham Advantage Signature (PPO) | Mass General Brigham Incorporated | 170 | Plan terminated |
| Erickson Advantage Signature (HMO-POS) | UnitedHealth | 123 | Plan terminated |
| Erickson Advantage Freedom (HMO-POS) | UnitedHealth | 30 | Plan terminated |
| Erickson Advantage Liberty (HMO-POS) | UnitedHealth | 23 | Plan terminated |
| Erickson Advantage Liberty no Rx (HMO-POS) | UnitedHealth | 13 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| Tufts Medicare Preferred HMO Smart Saver Rx (HMO) | Tufts Medicare Preferred HMO Smart Saver Rx (HMO) | 4,085 |
| Medicare PPO Blue ValueRx (PPO) | Medicare PPO Blue ValueRx (PPO) | 2,385 |
| Medicare HMO Blue ValueRx (HMO) | Medicare HMO Blue ValueRx (HMO) | 768 |
| Medicare HMO Blue FlexRx (HMO-POS) | Medicare HMO Blue FlexRx (HMO-POS) | 320 |
| Fallon Medicare Plus Orange (HMO) | Fallon Medicare Plus Orange (HMO) | 303 |
Who holds the members
- UnitedHealth9,305
- Point32Health9,297
- Blue Cross and Blue Shield of Massachusetts7,776
- CVS Health6,685
- Mass General Brigham Incorporated2,796
- CareSource2,692
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- CCA Senior Care Options (HMO D-SNP)CareSource4.5
- Medicare HMO Blue FlexRx (HMO-POS)Blue Cross and Blue Shield of Massachusetts4.5
- Medicare HMO Blue PlusRx (HMO)Blue Cross and Blue Shield of Massachusetts4.5
- Medicare HMO Blue SaverRx (HMO-POS)Blue Cross and Blue Shield of Massachusetts4.5
- Medicare HMO Blue ValueRx (HMO)Blue Cross and Blue Shield of Massachusetts4.5
- Senior Whole Health SCO (HMO D-SNP)Molina Healthcare4.5
- Senior Whole Health SCO NHC (HMO D-SNP)Molina Healthcare4.5
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 51 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Plymouth 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 Massachusetts 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.