TRYNYTYhealth:enablement
MA Enrollment Explorer / South Dakota / Hyde County

Medicare Advantage in Hyde County, South Dakota

111 people in Hyde County, South Dakota were enrolled in Medicare Advantage in October 2026, 31.8% of 349 eligible beneficiaries (+0.4 pts since October 2025). Medica Holding Company is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 8 to 6.

31.8%MA penetration, October 2026
111MA enrollees
100%leading parent's share
81.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in South Dakota

Parent organizations in Hyde County

Parent organizationMembersChange since October 2025Share
Medica Holding Company103+7100.0%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 151 beneficiaries in Hyde County were assigned to 4 Medicare Shared Savings Program ACOs, 81.4% of assignable Original Medicare beneficiaries. Together, roughly 87% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.