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Medicare Advantage Plans in Buffalo County, SD
Looking for Medicare Advantage plans in Buffalo County? Enter your ZIP Code below to compare affordable monthly premium plans in your area.
Buffalo County, SD, is home to 5 Medicare Advantage (Medicare Part C) plans in 2026.
Learn more about Medicare Advantage in South Dakota or call to speak with a licensed insurance agent who can help you compare Buffalo County Medicare Advantage plans and – if you're eligible – help you enroll.
We offer plans from Humana, UnitedHealthcare®, Anthem Blue Cross and Blue Shield*, Aetna, HealthspringSM, Wellcare, or Kaiser Permanente.
Enrollment may be limited to certain times of the year. See why you may be able to enroll today.
2026 Medicare Advantage plans in Buffalo County
| 2026 Medicare Advantage Plans in Buffalo | |
|---|---|
| Number of unique plans | 5 |
| Average monthly premium | $10.40 |
| Average (in-network) out-of-pocket maximum | $3,700.00 |
| Average Medicare Star Rating* | 3.5 |
While the number of unique plans in any county can change slightly every year, the table above presents a good idea of what you can expect to see in 2026.
The average monthly premium for Medicare Advantage plans in Buffalo is $10.40 per month in 2026, though there may be plans available where you live that feature different premiums.
Medicare Advantage plans in Buffalo County have an average Medicare Star Rating of 3.5 in 2026.* Plans rated four stars or higher are considered top-rated Medicare plans.
Premiums, deductibles and other costs may vary. The numbers reported in the table above are taken from the Centers for Medicare & Medicaid Services (CMS). A licensed insurance agent will be able to help you review and compare costs for specific plans available in South Dakota or wherever you may live.
* Every year, the Centers for Medicare & Medicaid Services (CMS) evaluates plans based on a 5-star rating system.
List of Medicare Advantage plans in Buffalo County
The following table includes cost information and other plan details for Medicare Advantage plans available in Buffalo County in 2026.
| Plan Name | Plan Code | Monthly Premium | Deductible | Out of Pocket Max | Prescription Drug Coverage | Medicare Star Rating |
|---|---|---|---|---|---|---|
| Aetna Medicare Dual (PPO D-SNP) | H1608-062-000 | $0.00 | $615.00 | $0.00 | Yes | 3.5 out of 5 stars |
| Aetna Medicare Eagle (PPO) | H1608-061-000 | $0.00 | N/A | $6,750.00 | No | 3.5 out of 5 stars |
| Aetna Medicare Enhanced Extra (PPO) | H1608-119-000 | $52.00 | $615.00 | $5,000.00 | Yes | 3.5 out of 5 stars |
| Aetna Medicare Full Dual (PPO D-SNP) | H1608-121-000 | $0.00 | $615.00 | $0.00 | Yes | 3.5 out of 5 stars |
| Aetna Medicare Signature (PPO) | H1608-120-000 | $0.00 | $615.00 | $6,750.00 | Yes | 3.5 out of 5 stars |
List of Medicare Prescription Drug Plans in Buffalo County
The following table includes cost information and other plan details for Medicare Prescription Drug Plans available in Buffalo County in 2026.
| Plan Name | Plan Code | Monthly Premium | Deductible | Preferred Pharmacies | Accepts Mail Order | Medicare Star Rating |
|---|---|---|---|---|---|---|
| AARP Medicare Rx Preferred from UHC (PDP) | S5921-406-000 | $140.20 | $130.00 | Yes | Yes | 2 out of 5 stars |
| AARP Medicare Rx Saver from UHC (PDP) | S5921-370-000 | $5.30 | $615.00 | Yes | Yes | 2 out of 5 stars |
| HealthSpring Assurance Rx (PDP) | S5617-123-000 | $125.90 | $615.00 | Yes | Yes | 2.5 out of 5 stars |
| HealthSpring Extra Rx (PDP) | S5617-375-000 | $66.50 | $615.00 | Yes | Yes | 2.5 out of 5 stars |
| Humana Basic Rx Plan (PDP) | S5884-145-000 | $4.70 | $615.00 | Yes | Yes | Plan too new to be measured |