Find the Best Medicare Plan in South Dakota
Licensed South Dakota Medicare specialists compare plans from UnitedHealthcare, Humana, and more — at no cost to you.
Compare South Dakota Medicare Plans →* Referral compensation may apply. Cost to you: $0.
Medicare Advantage in South Dakota — 2026 Overview
Approximately 32% of eligible Medicare beneficiaries in South Dakota have chosen Medicare Advantage (Part C) over Original Medicare — near the national average of 40%. This reflects growing availability and competitive plan options throughout South Dakota.
Medicare Advantage plans in South Dakota must cover all the same services as Original Medicare (Parts A and B) and typically include additional benefits like dental, vision, hearing, and prescription drug coverage (Part D) at no extra premium.
Top Medicare Advantage Plans Available in South Dakota
The following carriers offer Medicare Advantage plans in South Dakota for 2026:
- UnitedHealthcare
- Humana
Plan availability, premiums, and networks vary significantly by county in South Dakota. Availability in rural South Dakota counties may be more limited than in major metro areas. Always verify your specific county options using Medicare’s Plan Finder at medicare.gov/plan-compare.
What to Compare When Choosing a South Dakota Medicare Advantage Plan
- Your doctors: Confirm your primary care physician and specialists are in-network. South Dakota’s major health systems may be in some plans but not others.
- Your prescriptions: Enter all medications into the Medicare Plan Finder to see exact drug costs per plan. Drug formularies vary widely.
- Monthly premium vs. copays: A $0 premium plan isn’t always the lowest cost. Calculate your estimated annual total: premium + expected copays + drug costs.
- Star ratings: CMS rates South Dakota plans annually on a 1–5 star scale. Choose 4-star or higher when available in your South Dakota county.
- Extra benefits: Many South Dakota Medicare Advantage plans include dental cleanings, eye exams, hearing aids, and fitness memberships not covered by Original Medicare.
2026 Medicare Advantage Enrollment Periods in South Dakota
- Annual Enrollment Period (AEP): October 15 – December 7. You can switch to any Medicare Advantage plan in your South Dakota county. New coverage begins January 1.
- Medicare Advantage OEP: January 1 – March 31. Switch once if already enrolled in a Medicare Advantage plan.
- Initial Enrollment Period: When you first become eligible for Medicare (turning 65 or joining due to disability).
- Special Enrollment: Moving within South Dakota to a different county, losing coverage, or qualifying for Extra Help all trigger a SEP.
Free Help for South Dakota Medicare Beneficiaries
The SHIP (State Health Insurance Assistance Program) in South Dakota provides free, unbiased Medicare counseling from trained volunteers statewide. They can help you compare plans in your specific South Dakota county with no obligation.
You can also use our free comparison tool (powered by eHealth’s licensed South Dakota Medicare agents) to compare plans in minutes:
South Dakota Insurance Resources
- Medicare.gov Plan Finder — Official plan comparison tool by ZIP code
- South Dakota Department of Insurance — Plan complaints and consumer protection
- Complete Medicare Advantage Guide
- Medicare Advantage Costs Explained
- Medicare Advantage vs Original Medicare