Medicare in Mellette County, South Dakota · Plan Year 2026
Medicare Advantage Plans in Mellette County, SD: Your Complete 2026 Guide
No standard Medicare Advantage plans are sold in Mellette County for 2026 — but that is not the end of the story. CMS counts 364 Medicare beneficiaries here, and 8 Medicare Cost plans serve the county, alongside Original Medicare with Medigap and standalone Part D. Below is the real data for Mellette County.
Page last revised: 2026-07-19 · Plan and enrollment data refreshed: 2026-07-19 · Plan year 2026
2026 Medicare Advantage by the numbers
Mellette County Medicare at a glance
Sources: CMS Medicare Advantage/Part D Landscape (PY2026) · CMS Medicare Monthly Enrollment (county). Premium figures are Part C premiums; consolidated Part C + D average is —/mo.
A South Dakota specialty
Medicare Cost plans in Mellette County
South Dakota is one of the few states where Medicare Cost plans are still common. They combine plan benefits with a safety valve: outside the network, care simply falls back to Original Medicare rates. Mellette County has 8 Cost plans for 2026 from Medica with 52 county enrollees. The most-enrolled Cost plan locally is Medica Prime Solution Standard (Cost).
Cost plans are quoted person-by-person — ask us to compare them against the Original Medicare + Medigap route for your situation.
Health profile · why plan choice matters here
Chronic conditions among Mellette County adults
The right coverage depends on your health. CDC PLACES model-based prevalence for Mellette County (1,851 residents) — a reason to check each plan's drug formulary and specialist network before enrolling:
Source: CDC PLACES: Local Data for Better Health, County (crude prevalence).
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How and when to enroll in Mellette County
When you can sign up
- Initial Enrollment Period — the 7-month window around your 65th birthday (3 before, your birthday month, 3 after). Medicare 101 →
- Annual Enrollment Period — October 15 to December 7 each year, for 2027 coverage decisions.
- Medicare Advantage Open Enrollment — January 1 to March 31, one switch allowed if you already have an MA plan.
- Special Enrollment Periods — after life events like moving counties, losing employer coverage, or qualifying for Extra Help.
Ways to enroll
- With a licensed local agent (free) — Big Sioux Benefits · (605) 555-0142 · Mon–Fri 8am–6pm CT. We compare the plans we offer in Mellette County against your doctors and drugs.
- Directly with a plan's carrier — using the CMS plan ID from the tables above.
- Through Medicare.gov — the federal plan finder and enrollment portal.
Plan availability in Mellette County
2026 plans in the tables above are sold county-wide. That includes residents of Corn Creek, Horse Creek, Norris, White River, Wood, and all other Mellette County communities. To enroll in Medicare Advantage or a Cost plan you must be enrolled in Medicare Part A and Part B and live in the plan's service area.
Mellette County Medicare questions, answered
Are there Medicare Advantage plans in Mellette County, SD for 2026?
No standard Medicare Advantage HMO or PPO plans are sold in Mellette County for 2026. However, 8 Medicare Cost plans serve the county — a Medicare option common in South Dakota that combines plan benefits with Original Medicare flexibility. A licensed agent can compare your actual options.
How many people in Mellette County are on Medicare?
CMS counts 364 Medicare beneficiaries in Mellette County (2025), of whom about 61 (17%) are in Medicare Advantage or other non-Original-Medicare coverage.
What do Medicare Cost plans cost in Mellette County for 2026?
8 Medicare Cost plans are sold in Mellette County for 2026 from Medica. Unlike Medicare Advantage, Cost plans let you use Original Medicare out of network. A licensed agent can quote exact premiums for your situation.
What health conditions matter most for choosing a plan in Mellette County?
Per CDC PLACES, among Mellette County adults: high blood pressure 42.5%, obesity 45.6%, arthritis 31.4%, diagnosed diabetes 21.1%. Conditions like these are why we match a plan's drug formulary, specialist network, and out-of-pocket maximum to your actual health needs before you enroll.
When can I enroll in a Medicare plan in Mellette County?
During your 7-month Initial Enrollment Period around your 65th birthday, the Annual Enrollment Period (October 15 to December 7), the Medicare Advantage Open Enrollment Period (January 1 to March 31, for current MA members), or a Special Enrollment Period after qualifying life events such as moving or losing employer coverage.
Sources, citations, and methodology
- CMS Medicare Advantage/Part D Landscape (PY2026) — accessed 2026-07-19
- CMS Medicare Part C & D Star Ratings (2026) — accessed 2026-07-19
- CMS Medicare Advantage Enrollment by State/County/Contract — accessed 2026-07-19
- CMS Medicare Monthly Enrollment (county) — accessed 2026-07-19
- CDC PLACES: Local Data for Better Health, County (crude prevalence) — accessed 2026-07-19
- CMS Hospital Compare — Overall Star Ratings — accessed 2026-07-19
- US Census Bureau — Places by County (2020) — accessed 2026-07-19
Methodology: plan counts, premiums, out-of-pocket maximums, Part D deductibles, and star ratings are computed from the CMS PY2026 Landscape source files for Mellette County, South Dakota. Headline "average premium" and "$0 premium" figures use the Part C premium; the consolidated Part C + D premium is reported separately. Special Needs Plans (D-SNP, I-SNP) and Medicare Cost plans are excluded from Medicare Advantage averages and shown separately. County enrollment sums CMS contract-level enrollment for Mellette County; CMS suppresses counts under 11, so totals are conservative. Health prevalence figures are CDC PLACES model-based estimates. Content is prepared by the Big Sioux Benefits Data Desk and reviewed for accuracy against the cited files; plan details change — verify with a licensed agent before enrolling.
Big Sioux Benefits is a licensed insurance agency, not affiliated with or endorsed by the U.S. government or the federal Medicare program. We do not offer every plan available in your area. Contact Medicare.gov or 1-800-MEDICARE for all options.
Talk to a licensed Mellette County Medicare advisor
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