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MA Enrollment Explorer / Parent organizations / Lumeris Group Holdings Corporation

Lumeris Group Holdings Corporation: Medicare Advantage enrollment and market share

Lumeris Group Holdings Corporation had 61,493 Medicare Advantage members in October 2026, #45 nationally with 0.17% of all MA enrollment. It gained 5,738 members (+10.3%) since October 2025, and has enrollment in 5 states and 49 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 5,582 members (+10.0%). For 2027, none of its members are in plans that terminate or leave their county.

61KMA members, October 2026
+10.3%change since October 2025 (+5,738)
0.17%national MA share, rank 45
2contracts with enrollment
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Largest states

StateMembersShare of state MA
Missouri45,3916.1%
Illinois13,8891.3%
Kentucky1,0760.2%
Arkansas6620.2%
Indiana1400.0%

Largest counties

CountyMembersChange since October 2025Share of county MA
St. Louis County, MO21,591+42216.4%
Jefferson County, MO7,575+11522.2%
St. Charles County, MO6,542+49712.3%
St. Clair County, IL5,316+13217.4%
Madison County, IL4,386+58413.1%
St. Louis City, MO4,169−12813.1%
Cook County, IL2,181+1,3170.5%
Franklin County, MO2,047+1,34510.1%
Monroe County, IL986+14321.1%
Boone County, MO878+865.6%
Lincoln County, MO737+1609.0%
Jefferson County, KY700+2200.9%
Greene County, MO424−211.0%
Warren County, MO378+966.0%
Benton County, AR369+771.4%

Contracts

ContractPlan typeOct 2024Oct 2025Oct 2026
H2610 Essence HealthcareHMO/HMOPOS48,08341,61350,510
H6200 Essence HealthcareLocal PPO12,98214,00210,983
H3189 Essence HealthcareHMO/HMOPOS7048n/a
H4620 Essence HealthcareLocal PPO16892n/a

Star ratings for these contracts are in the MA Quality Dashboard.