The Best South Dakota Medicare Supplement Plans (2025)

For 65-year-olds and 75-year-olds in South Dakota, the average monthly cost of Medicare Supplement plans is $140 and $206, respectively.

Of the Medicare Supplement plans available, Plan G and Plan F are the most popular due to their comprehensive coverages. The average monthly cost of $116.30 for Plan G is slightly less than that of $225.68 for Plan F. The latter, however, is reserved for persons who became eligible for Medicare before 2020.

Plan N is the next most popular plan and offers similar coverage to Plan G and F except for excess charges. In South Dakota, the average monthly cost of Plan N is $136.40.

MoneyGeek's methodology for analyzing Medicare Supplement plans in South Dakota focused on their average rates and benefits. With this guide to the many types of plans and coverage, you will be able to learn how to pick the best Medicare supplement plan.

UnitedHealthcare offers the best Medicare supplement plan G in South Dakota at an average monthly cost of $129.77.

MoneyGeek only ranked firms that provide online quotes. Therefore, there may be Medicare Supplement plan providers in South Dakota who do not offer online quotes but can provide you with better pricing and policies.

Plan G costs an average of $143.80 per month in South Dakota, but rates vary by provider. Physicians Mutual has the cheapest Plan G for 65-year-olds, with an average monthly cost of $99.20, while State Farm has the most expensive plan at $138.70. This means you can save up to $39.50 per month depending on your chosen provider.

The cost of Medicare Supplement Plan G in South Dakota is determined by your age at the time you purchased the plan, your current age, discounts and medical underwriting factors.

While not all of them offer online estimates, there are 39 companies in South Dakota that provide Plan G. MoneyGeek collected the contact information for all South Dakota Medicare Supplement plan providers, as well as their pricing methods, to determine which ones may charge you more based on your age.

Medicare Supplement Plan G, just like any other Medigap policy, follows a set of rules and provides specific coverages. Despite its comprehensiveness, Plan G does not cover Part B deductibles. Depending on the provider, additional benefits, such as UnitedHealthcare's dental, vision, and hearing discounts, may be offered as well.

MoneyGeek ranked Physicians Mutual as the best Medicare supplement Plan F in South Dakota, with plans costing an average of $201.85 per month. It also has a High Deductible Plan F, for those who prefer to pay a lower monthly premium but a higher deductible before receiving full coverage.

MoneyGeek only ranked companies that offer online quotes so there may be Medicare Supplement plan providers in South Dakota who do not provide quotes online but can offer you better discounts and programs.

In South Dakota, Plan F costs an average of $225.70 per month. Rates vary significantly by provider with Physician Mutual offering the least expensive Plan F for 75-year-olds at an average monthly rate of $143.90 and Avera offering the most expensive plan at $307.30.

The cost of Plan F fluctuates depending on your age at the time of purchase, current age, discounts and other medical underwriting concerns.

In South Dakota, 39 companies offer Medicare Supplement Plan F. However, only some of them have online quotes. To receive estimates from providers that don’t offer quotes online, you can contact them directly using the contact information provided by MoneyGeek below. We’ve also included pricing style so that you can see which businesses may charge you more based on age.

Plan F is standardized, like all Medicare supplement plans in South Dakota, and includes certain coverages. Although Plan F has extensive benefits, it only covers 80% of foreign travel exchange within the limits of your plan. Additional Plan F benefits may be available from different providers; for example, Physicians Mutual's Preventive Care.

UnitedHealthcare is the best option for seniors in South Dakota looking for Medicare Supplement Plan N, with an average monthly rate of $110.25.

MoneyGeek's list only takes into account providers who offer online estimates. Other Medicare Supplement Plan N providers in South Dakota may provide lower rates. To learn more about their cost and coverage, you will need to contact them directly.

The rate of Medicare Supplement Plan N may vary depending on a number of factors, including your age, discounts and medical underwriting factors.

In South Dakota, Plan N costs an average of $171 per month, but cost varies by provider. A 65-year-old, for example, can get the cheapest Plan N from State Farm for $107.20 per month or the most expensive plan from Avera for $176.60 per month. This means that you can save up to $69.40 by choosing a less expensive provider.

Medical Supplement Plan N is offered by 37 providers in South Dakota, although not all of them give online estimates. MoneyGeek collected their contact information and pricing styles to help you determine which company best suits your requirements. This may help narrow down your options to companies that don’t base their premiums on your age.

All Medigap policies, including Plan N, are required to cover at least certain benefits. While Plan N does not pay Part B deductibles or Part B excess charges, it covers 80% of international travel expenses up to the limit of your plan. Plan N from UnitedHealthcare also includes a variety of benefits, like dental, vision and hearing discounts.

Other plan types are available for purchase apart from Plans F, G and N. These plans are less popular because they usually provide less comprehensive coverage.

The following Medicare supplement companies in South Dakota provide online estimates: Aetna, Avera, Physicians Mutual, State Farm, UnitedHealthcare and Wellmark.

Of these companies, MoneyGeek found that UnitedHealthcare offers the best Plan A, B, C, G, K, L and N. State Farm has the best Plan D and Physicians Mutual provides the best Plan F.

Keep in mind that Plan C will not be accessible in South Dakota if you initially became eligible for Medicare after January 1, 2020.

MoneyGeek gathered and evaluated pricing information from numerous providers in South Dakota to help you choose the best supplemental insurance company for your needs. This chart makes it easy for you to compare Medicare Supplement plans in South Dakota.

Medigap plans differ in terms of coverage and availability. Plan F and C, for example, provide the most extensive coverage but are not available to new participants. As a result, Plan G or Plan D are your next best options.

You may compare Medicare Supplement plans in South Dakota side by side using MoneyGeek's chart, which illustrates their differences in coverage as well as their average cost.

The cost of Medicare supplement plans can vary significantly by plan type and company.

UnitedHealthcare is the cheapest for Plans A, B, K and L. State Farm offers the least expensive Plan N and Plan D. Physicians Mutual is the cheapest of the popular plans for Plans G and F, while Avera is the cheapest for Plan C.

Providers typically use one of three pricing styles to determine your premium:

• Attained-Age: This is the most common pricing style used by providers in South Dakota. Your rate is determined by your present age, which means that as you get older, your premiums will increase.
• Issue-Age: This is the second most common pricing style in South Dakota. Your policy's pricing is determined by your age when you initially purchase it, and it will not vary as you get older.
• Community-Rated: Every policyholder in a specific plan type pays the same monthly premium. For Plans D and M, insurers do not employ this pricing method.

You may be asking yourself about your eligibility for Medicare coverage, the right plan type, costs and so on. MoneyGeek has answered some of the most frequently asked questions about Medicare Supplement insurance to help you understand this complex topic.

MoneyGeek collected data from the biggest Medicare Supplement/Medigap providers in South Dakota for 65-year-olds and 75-year-olds. Plans were only rated as one of the best if we could obtain an accurate quote from the provider online.

MoneyGeek’s scoring system weighted affordability 75% and benefits 25%. A Medigap provider received 5% for every benefit, up to a maximum of 25%.