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Top MA Enrollment Contracts in South Dakota (Feb 2026)

This page summarizes county-level Medicare Advantage enrollment by contract in South Dakota.

Data source: SCC Enrollment MA Alternative File (2026-02). State total enrollment shown: 70,495.

Top 10 Contracts

Rank	Contract ID	Organization Name	Plan Type	Enrolled	Counties	State Share
1	H2450	MEDICA INSURANCE COMPANY	1876 Cost	23,950	47	34.0%
2	H8889	MEDICA HEALTH PLANS	Local PPO	17,538	18	24.9%
3	H5900	WELLMARK ADVANTAGE HEALTH PLAN, INC.	Local PPO	10,377	39	14.7%
4	H2001	SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC.	Local PPO	7,892	43	11.2%
5	H1608	COVENTRY HEALTH AND LIFE INSURANCE COMPANY	Local PPO	5,013	31	7.1%
6	H8385	SANFORD HEALTH PLAN	Local PPO	4,434	16	6.3%
7	H5522	AETNA LIFE INSURANCE COMPANY	Local PPO	615	12	0.9%
8	H1787	SANFORD HEALTH PLAN	HMO/HMOPOS	310	8	0.4%
9	H5216	HUMANA INSURANCE COMPANY	Local PPO	106	2	0.2%
10	H4036	ANTHEM INSURANCE COMPANIES, INC.	Local PPO	96	2	0.1%

Method note: Enrollment is based on legal state/county of residence for payment purposes and may include out-of-service-area beneficiaries.