How many Medicare Advantage members in Union County must pick a new plan for 2027?

391 of 19,388 members (2.0%): their plan is not sold in the county for 2027 according to the CMS crosswalk and Landscape. North Carolina as a whole: 3.1%; the nation: 10.6%.

Which plan in Union County ends with the most members?

Healthspring Preferred Select (HMO) (H9725-014, Health Care Service Corporation): 181 members in September 2026, terminated.

Which company ended the most plans in Union County for 2027?

Health Care Service Corporation: 307 of its 1,453 members in the county (21.1%), 2 of its 6 plans.

What share of Union County's Medicare eligibles are in Medicare Advantage?

53.3% in September 2026: 23,229 of 43,569 eligibles, from the CMS state-county penetration file.

How are Union County's members rated for 2027?

86.6% of members are in contracts rated 4 stars or more for 2027 (83.2% the year before); the member-weighted average star is 4.01 over 28 rated contracts.

How does 2027 compare with 2026 in Union County?

329 members (1.8%) had to pick a new plan for 2026; for 2027 it is 391 (2.0%), a change of +62 members.

2027 open enrollment. 3.15 million people must pick a new Medicare Advantage plan. See every plan and county, free.3.15M must pick a new plan.

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Vlada / Medicare Advantage / North Carolina / Union County

Medicare Advantage plan exits 2027 in Union County, NC

391 of the 19,388 Medicare Advantage members in Union County (2.0%) are in a plan that is not sold in the county for 2027: 6 of the 74 plans sold there in September 2026 end, from the CMS 2027 Landscape and crosswalk. North Carolina: 3.1%; 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: 19,388; members, Sept 2026
must pick for 2027: 391; must pick for 2027
share of members: 2.0%; share of members
plans end: 6 of 74; plans end

Medicare Advantage members in Union 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. 85 plans are listed for the county for 2027 against 87 for 2026.

The plans that end for 2027

Every plan sold in Union 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.

Plan	Company	Type	Members	Terminated	Service area reduced	Offered a new or renumbered plan
Healthspring Preferred Select (HMO) H9725-014	Health Care Service Corporation	Regular HMO	181	181	0	0
Healthspring Preferred Plus (HMO) H9725-017	Health Care Service Corporation	Regular HMO	126	126	0	0
Humanachoice H5525-050 (PPO) H5525-050	Humana Inc.	Regular PPO	32	32	0	32
Aetna Medicare Signature Care (HMO) H3146-021	CVS Health Corporation	Regular HMO	19	0	19	0
Humanachoice H5525-083 (PPO) H5525-083	Humana Inc.	Regular PPO	19	19	0	19
AARP Medicare Advantage Access From UHC Nc-23 (PPO) H2001-084	UnitedHealth Group, Inc.	Regular PPO	14	14	0	0
6 plans			391	372	19	51

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 Union County

Company	Members, Sept 2026	Plans	Plans ending	Must pick	Share of own members	Offered a new or renumbered plan
Health Care Service Corporation	1,453	6	2	307	21.1%	0
Humana Inc.	4,033	21	2	51	1.3%	51
CVS Health Corporation	4,105	9	1	19	0.5%	0
UnitedHealth Group, Inc.	5,966	14	1	14	0.2%	0
CuraCor Solutions Corp.	2,525	6	0	0	0.0%	0
Devoted Health, Inc.	1,084	9	0	0	0.0%	0
Centene Corporation	155	6	0	0	0.0%	0
Longevity Health Founders, LLC	38	1	0	0	0.0%	0
UNICO Services, Inc.	17	1	0	0	0.0%	0
Risant Health, Inc.	12	1	0	0	0.0%	0

Union County against North Carolina and the nation

Measure	County	North Carolina	United States
Must pick for 2027, share of members	2.0%	3.1%	10.6%
Must pick for 2026	1.8%		10.1%
Must pick for 2025, members	472 of 16,976
Must pick for 2026, members	329 of 18,266
Must pick for 2027, members	391 of 19,388

State and national figures: the North Carolina hub and the national report.

Star Ratings 2027 in Union County

Measure	2027	2026	Change
Members in contracts rated 4+ stars	86.6%	83.2%	+3.4 pts
Member-weighted average star	4.01	4.10	-0.09
Rated contracts with members here	28	25

Members by star, 2027: 5.0: 63 · 4.5: 4,960 · 4.0: 14,858 · 3.5: 1,538 · 3.0: 1,531; 17 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 Union County, NC. https://www.vladahealth.com/medicare-advantage/nc/union. 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 Union County must pick a new plan for 2027?: 391 of 19,388 members (2.0%): their plan is not sold in the county for 2027 according to the CMS crosswalk and Landscape. North Carolina as a whole: 3.1%; the nation: 10.6%.
Which plan in Union County ends with the most members?: Healthspring Preferred Select (HMO) (H9725-014, Health Care Service Corporation): 181 members in September 2026, terminated.
Which company ended the most plans in Union County for 2027?: Health Care Service Corporation: 307 of its 1,453 members in the county (21.1%), 2 of its 6 plans.
What share of Union County's Medicare eligibles are in Medicare Advantage?: 53.3% in September 2026: 23,229 of 43,569 eligibles, from the CMS state-county penetration file.
How are Union County's members rated for 2027?: 86.6% of members are in contracts rated 4 stars or more for 2027 (83.2% the year before); the member-weighted average star is 4.01 over 28 rated contracts.
How does 2027 compare with 2026 in Union County?: 329 members (1.8%) had to pick a new plan for 2026; for 2027 it is 391 (2.0%), a change of +62 members.

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Use Vlada. In Union County, North Carolina, which Medicare Advantage plans are not sold for 2027, how many members are in each, and what did 2026 look like? Give me a table with the source file, the data vintage and the response hash.

Behind it: get_county_view (state NC, county Union) and get_landscape_exits (group_by county).