Mass General Brigham Health Plan Medicare plans in 2027
Mass General Brigham Health Plan, a brand of Mass General Brigham Incorporated, offers 5 Medicare Advantage plans for 2027 (6 plans in 2026) in 1 state. 3 of its 2026 plans are not offered in 2027, 18,221 members in September 2026.
What changes for Mass General Brigham Health Plan in 2027?
| Under the brand | 2026 | 2027 | Change |
|---|---|---|---|
| Plans | 6 | 5 | ▼down 1 |
| States | 1 | 1 | no change |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).
Which contracts does Mass General Brigham Health Plan sell under?
| Contract (legal name) | Plans 2027 | Area of its largest plan | 2026 stars |
|---|---|---|---|
| Mass General Brigham Health Plan, Inc.H6847 | 3 | 9 counties | 4 of 5 |
| Mass General Brigham Health Plan, IncH0777 | 1 | 8 counties | not rated (too new) |
| Mass General Brigham Health Plan, IncH1611 | 1 | 8 counties | not rated (too new) |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS 2026 Star Ratings (October 2025).
Which Mass General Brigham Health Plan plans end?
| 2026 plan | Members, Sept. 2026 | States |
|---|---|---|
| Mass General Brigham AdvantageH9485-001 | 14,363 | Massachusetts |
| Mass General Brigham Advantage PremierH9485-002 | 2,376 | Massachusetts |
| Mass General Brigham Advantage SignatureH9485-003 | 1,482 | Massachusetts |
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).
What else should you check?
- Every insurerPlans and members by parent company
- Every plan not offered in 2027All companies
- Star ratingsCMS ratings by contract