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Blue Cross and Blue Shield of IL, NM Medicare plans in 2027

Blue Cross and Blue Shield of IL, NM, a brand of Health Care Service Corporation, offers 5 Medicare Advantage plans for 2027 (6 plans in 2026) in 2 states. 4 of its 2026 plans are not offered in 2027, 5,260 members in September 2026. Its plans that continue also leave some counties, where 702 of their members lived, for 5,962 members in all whose plan ends or leaves their county.

What changes for Blue Cross and Blue Shield of IL, NM in 2027?

Medicare Advantage and drug plans sold under the brand.
Under the brand20262027Change
Plans65down 1
States22no 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 Blue Cross and Blue Shield of IL, NM sell under?

Contract (legal name)Plans 2027Area of its largest plan2026 stars
Health Care Service CorporationH3822533 counties3.5 of 5

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 Blue Cross and Blue Shield of IL, NM plans end?

4 of 4, largest first
2026 planMembers, Sept. 2026States
Blue Cross Medicare Advantage Basic PlusH3822-0072,489Illinois
Blue Cross Medicare Advantage ValueH3822-0141,513Illinois
Blue Cross Medicare Advantage BasicH3822-012630Illinois
Blue Cross Medicare Advantage Premier PlusH3822-008628Illinois

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?