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

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Vlada / Medicare Advantage / New Jersey / Somerset County

Medicare Advantage plan exits 2027 in Somerset County, NJ

933 of the 14,010 Medicare Advantage members in Somerset County (6.7%) are in a plan that is not sold in the county for 2027: 4 of the 41 plans sold there in September 2026 end, from the CMS 2027 Landscape and crosswalk. New Jersey: 11.7%; 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
14,010
members, Sept 2026
must pick for 2027
933
must pick for 2027
share of members
6.7%
share of members
plans end
4 of 41
plans end

Medicare Advantage members in Somerset 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. 48 plans are listed for the county for 2027 against 46 for 2026.

06k12k18k24k9%201511%17%201719%25%201928%31%202132%34%202336%35%202535%

The plans that end for 2027

Every plan sold in Somerset 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
Braven Medicare Freedom (PPO) H0885-008Horizon Mutual Holdings, IncRegular PPO679679000
Aetna Medicare Enhanced Extra (PPO) H5521-513CVS Health CorporationRegular PPO184184000
Healthspring True Choice (PPO) H7849-149Health Care Service CorporationRegular PPO52052052
Wellcare Giveback (HMO-POS) H0913-021Centene CorporationRegular HMO1818000
4 plans93388152052

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 Somerset County

CompanyMembers, Sept 2026PlansPlans endingMust pickShare of own membersOffered a new or renumbered planCompany gone
Horizon Mutual Holdings, Inc1,2432167954.6%00
CVS Health Corporation1,9871111849.3%00
Health Care Service Corporation521152100.0%052
Centene Corporation21941188.2%00
UnitedHealth Group, Inc.5,96411000.0%00
Clover Health Holdings, Inc.2,5943000.0%00
Humana Inc.1,6665000.0%00
Elevance Health, Inc.2393000.0%00
Longevity Health Founders, LLC461000.0%00

Somerset County against New Jersey and the nation

MeasureCountyNew JerseyUnited States
Must pick for 2027, share of members6.7%11.7%10.6%
Must pick for 20264.3%10.1%
Must pick for 2025, members2,388 of 12,656
Must pick for 2026, members569 of 13,341
Must pick for 2027, members933 of 14,010

State and national figures: the New Jersey hub and the national report.

Star Ratings 2027 in Somerset County

Measure20272026Change
Members in contracts rated 4+ stars85.1%64.1%+21.0 pts
Member-weighted average star4.234.09+0.14
Rated contracts with members here2222

Members by star, 2027: 5.0: 2,769 · 4.5: 10,088 · 4.0: 6,872 · 3.5: 1,822 · 3.0: 1,622; 822 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 Somerset County, NJ. https://www.vladahealth.com/medicare-advantage/nj/somerset. 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 Somerset County must pick a new plan for 2027?
933 of 14,010 members (6.7%): their plan is not sold in the county for 2027 according to the CMS crosswalk and Landscape. New Jersey as a whole: 11.7%; the nation: 10.6%.
Which plan in Somerset County ends with the most members?
Braven Medicare Freedom (PPO) (H0885-008, Horizon Mutual Holdings, Inc): 679 members in September 2026, terminated.
Which company ended the most plans in Somerset County for 2027?
Horizon Mutual Holdings, Inc: 679 of its 1,243 members in the county (54.6%), 1 of its 2 plans.
What share of Somerset County's Medicare eligibles are in Medicare Advantage?
35.1% in September 2026: 24,175 of 68,792 eligibles, from the CMS state-county penetration file.
How are Somerset County's members rated for 2027?
85.1% of members are in contracts rated 4 stars or more for 2027 (64.1% the year before); the member-weighted average star is 4.23 over 22 rated contracts.
How does 2027 compare with 2026 in Somerset County?
569 members (4.3%) had to pick a new plan for 2026; for 2027 it is 933 (6.7%), a change of +364 members.

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