2027 open enrollment. 3.15M must pick a new plan.

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Vlada / Medicare Advantage / Massachusetts / Essex County

Medicare Advantage plan exits 2027 in Essex County, MA

7,300 of the 58,060 Medicare Advantage members in Essex County (12.6%) are in a plan that is not sold in the county for 2027: 8 of the 52 plans sold there in September 2026 end, from the CMS 2027 Landscape and crosswalk. Massachusetts: 11.6%; the nation: 10.6%.

Period: plan year 2027 against September 2026 members · Updated 2026-10-20 · Next: CMS January 2027 enrollment (February 2027): where the members landed

members, Sept 2026
58,060
members, Sept 2026
must pick for 2027
7,300
must pick for 2027
share of members
12.6%
share of members
plans end
8 of 52
plans end

Medicare Advantage members in Essex County, 2015 to 2026

MA enrollment in September each year, with MA penetration (members over Medicare eligibles) at the top of each bar, from the CMS state-county penetration file. Navy: the last two years. 52 plans are listed for the county for 2027 against 57 for 2026.

016k32k49k65k19%201520%22%201723%24%201927%29%202131%34%202335%36%202535%

The plans that end for 2027

Every plan sold in Essex County in September 2026 with members whose plan is not sold there for 2027: how it went (terminated, or its service area reduced so it continues elsewhere), the members the same company offers a new or renumbered plan of the same type, and the members whose company sells nothing in the county next year.

PlanCompanyTypeMembersTerminatedService area reducedOffered a new or renumbered planCompany gone
Mass General Brigham Advantage (PPO) H9485-001Mass General Brigham IncorporatedRegular PPO3,5443,544000
Medicare PPO Blue Valuerx (PPO) H2230-018Blue Cross and Blue Shield of Massachusetts, Inc.Regular PPO2,07202,07200
Mass General Brigham Advantage Premier (PPO) H9485-002Mass General Brigham IncorporatedRegular PPO591591000
Tufts Medicare Preferred PPO Rx (PPO) H9907-002Point32Health, Inc.Regular PPO30530503050
Mass General Brigham Advantage Signature (PPO) H9485-003Mass General Brigham IncorporatedRegular PPO283283000
Erickson Advantage Signature (HMO-POS) H5652-001UnitedHealth Group, Inc.Regular HMO23623602360
Humana Direct Choice Giveback (PPO) H5216-424Humana Inc.Regular PPO20820802080
Erickson Advantage Liberty (HMO-POS) H5652-008UnitedHealth Group, Inc.Regular HMO61610610
8 plans7,3005,2282,0728100

Download this table (CSV, CC BY 4.0) · cells under 11 members are suppressed by CMS and count as zero, so every count is a floor.

By company in Essex County

CompanyMembers, Sept 2026PlansPlans endingMust pickShare of own membersOffered a new or renumbered planCompany gone
Mass General Brigham Incorporated5,130634,41886.1%00
Blue Cross and Blue Shield of Massachusetts, Inc.6,376712,07232.5%00
Point32Health, Inc.13,9251313052.2%3050
UnitedHealth Group, Inc.16,414922971.8%2970
Humana Inc.1,5114120813.8%2080
CVS Health Corporation7,3864000.0%00
CareSource5,2412000.0%00
Molina Healthcare, Inc.1,0723000.0%00
Fallon Community Health Plan, Inc.1,0054000.0%00

Essex County against Massachusetts and the nation

MeasureCountyMassachusettsUnited States
Must pick for 2027, share of members12.6%11.6%10.6%
Must pick for 202614.0%10.1%
Must pick for 2025, members2,370 of 49,318
Must pick for 2026, members7,323 of 52,432
Must pick for 2027, members7,300 of 58,060

State and national figures: the Massachusetts hub and the national report.

Star Ratings 2027 in Essex County

Measure20272026Change
Members in contracts rated 4+ stars76.7%85.9%-9.2 pts
Member-weighted average star3.974.10-0.13
Rated contracts with members here2423

Members by star, 2027: 5.0: 297 · 4.5: 11,515 · 4.0: 33,729 · 3.5: 12,591 · 3.0: 1,271; 4,233 in unrated contracts. Each contract's 2027 overall star (CMS, released 2026-10-08) weighted by its 2026-09 members in the county, individual and group; 2026 by 2025-09 members.

Sources

  • CMS Medicare Advantage/Part D Landscape, plan year 2027: landscape_cy2027-landscape-202609-1.zip (CMS, September 2026); CMS plan crosswalk CY2027.
  • CMS monthly enrollment by contract, plan and county, 2026-09 (and the two Septembers before, for the series).
  • CMS MA state-county penetration file, September of each year (eligibles, enrollment, penetration).
  • CMS Star Ratings 2027, released 2026-10-08. Page object written 2026-10-20.

Receipts: athena(table=medicare_semantic.exits_cells_county_2027_v1, block=plans) 042eb472aa7d…; athena(table=medicare_semantic.exits_cells_county_2025_v1, medicare_semantic.exits_cells_county_2026_v1, medicare_semantic.exits_cells_county_2027_v1, block=series) ee9fd56a8632…; athena(table=medicare_semantic.ma_spine_county_market_v20261012b, block=market) e6c1b5ce62c0…; athena(table=medicare_semantic.ma_spine_contract_stars_v20261012b, weights=medicare_semantic.ma_spine_enroll_plan_county_v20261012a, block=stars) c39711c388e0…. Suppressed cells count as zero in every count.

Cite: Vlada Health (2026). Medicare Advantage plan exits 2027 in Essex County, MA. https://www.vladahealth.com/medicare-advantage/ma/essex. Data: CC BY 4.0.

Method

  • Population: members of individual Medicare Advantage plans (H and R contracts, plans 001 to 799, special needs plans included; employer group, Cost, MMP and PACE excluded) in the county in September 2026.
  • Must pick: the CMS crosswalk names no successor plan sold in the county for 2027; members CMS moves to a successor in the county are not counted.
  • Terminated: the plan is gone from every county. Service area reduced: the plan continues elsewhere but not here. Offered a new or renumbered plan: the same company sells, in this county, the same name under a new number or a new plan of the same HMO or PPO and special needs type. Company gone: no plan of any type from that company in the county.
  • Stars: each contract's overall star weighted by its September members in the county; unrated contracts counted apart, never as zero stars. Penetration: the CMS file's own eligibles and MA enrollment.
  • Suppression: CMS hides cells under 11 members; they count as zero, so every count is a floor and every share is not.

The full method and the national tables: How we counted, and how to check it.

Questions

How many Medicare Advantage members in Essex County must pick a new plan for 2027?
7,300 of 58,060 members (12.6%): their plan is not sold in the county for 2027 according to the CMS crosswalk and Landscape. Massachusetts as a whole: 11.6%; the nation: 10.6%.
Which plan in Essex County ends with the most members?
Mass General Brigham Advantage (PPO) (H9485-001, Mass General Brigham Incorporated): 3,544 members in September 2026, terminated.
Which company ended the most plans in Essex County for 2027?
Mass General Brigham Incorporated: 4,418 of its 5,130 members in the county (86.1%), 3 of its 6 plans.
What share of Essex County's Medicare eligibles are in Medicare Advantage?
35.4% in September 2026: 64,904 of 183,338 eligibles, from the CMS state-county penetration file.
How are Essex County's members rated for 2027?
76.7% of members are in contracts rated 4 stars or more for 2027 (85.9% the year before); the member-weighted average star is 3.97 over 24 rated contracts.
How does 2027 compare with 2026 in Essex County?
7,323 members (14.0%) had to pick a new plan for 2026; for 2027 it is 7,300 (12.6%), a change of -23 members.

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