2026 Medicare Advantage Plans in Stillwater County, MT
Last update: . Enrollment data updated: June 13, 2026
Stillwater County, MT has 8 Medicare Advantage plans available in 2026. These include 3 plans with no monthly premium, and roughly 0% are rated at least 4 stars based on CMS data.
Medicare Advantage Special Needs Plans (SNPs) are not included in the figures shown above. View Special Needs Plans in Stillwater County, MT. Or explore all Medicare Options available in Stillwater County, MT.
Medicare Advantage PPO Plans
Preferred Provider Organization (PPO) plans allow access to both in-network and out-of-network providers. Out-of-network care usually costs more, but PPOs offer greater flexibility in choosing doctors and hospitals.
- Total PPO Plans 7
- Average Monthly Premium $43.29/mo
- Total PPO Enrollment 576
- $0 Premium PPO Plans 3
- Average MOOP $6,521
- Top PPO by Enrollment HumanaChoice H5216-457 (PPO) — 456 enrollees
- PPO Plans Without Drug Coverage 2
| Health Plan Name | CMS Rating* | Premium Per Mo | MOOP | PDP Ded. | CMS Plan ID |
|---|---|---|---|---|---|
| Blue Cross Medicare Advantage Classic | $74 | $6,500 | $450 | H0107-003-0 | |
| Blue Cross Medicare Advantage Optimum | $128 | $4,700 | $300 | H0107-004-0 | |
| Humana USAA Honor Giveback | $0 | $9,150 | N/A | H5216-427-5 | |
| Humana USAA Honor Giveback | $0 | $6,750 | N/A | H5216-278-3 | |
| HumanaChoice H5216-048 | $87 | $6,750 | $615 | H5216-048-0 | |
| HumanaChoice H5216-089 | $14 | $5,300 | $350 | H5216-089-0 | |
| HumanaChoice H5216-457 | $0 | $6,500 | $400 | H5216-457-2 |
What is the most popular PPO plan in Stillwater?
HumanaChoice H5216-457 (PPO) is the top PPO in Stillwater, with 456 enrollees.
What is the number of PPO plans without Part D coverage in Stillwater?
There are 2 PPO plans in Stillwater without prescription drug coverage.
Medicare Advantage HMO Plans
HMO plans typically require members to use in-network providers and facilities, except in emergencies. In return, HMOs often offer lower monthly premiums and reduced cost-sharing.
- Total HMO Plans
- 1
- Average Monthly Premium
- $18.00/mo
- Total HMO Enrollment
- 282
- $0 Premium HMO Plans
- 0
- Average MOOP
- $5,700
- Top HMO by Enrollment
- Humana Gold Plus H6622-007 (HMO) — 282 enrollees
- HMO Plans Without Drug Coverage
- 0
| Health Plan Name | CMS Rating* | Premium Per Mo | MOOP | PDP Ded. | CMS Plan ID |
|---|---|---|---|---|---|
| Humana Gold Plus H6622-007 | $18 | $5,700 | $615 | H6622-007-0 |
What is the typical premium for HMO plans in Stillwater?
HMO plans in Stillwater cost $18.00 per month on average.
Which HMO plan do most beneficiaries choose in Stillwater?
The most popular HMO plan in Stillwater is Humana Gold Plus H6622-007 (HMO), with 282 enrollees.
How many HMO options are offered without prescription drug coverage in Stillwater?
There are 0 HMO plans in Stillwater without prescription drug coverage.
Below is a breakdown of CMS star ratings for Medicare Advantage plans available in Stillwater County, MT for 2026.
| Rating Category | Number of Plans | Percent of Plans |
|---|---|---|
| 5 Stars | No 5-star plans available. | 0% |
| 4 Stars (includes 5 Stars) | 0 | 0% |
| 3 Stars | 8 | 100% |
| Below 3 Stars | 0 | 0% |
| Not Rated | 0 | 0% |
| Average Rating | 3.5 | |
* Medicare Advantage star ratings are determined by CMS each year using a standardized 5-star rating system.
- CMS.gov, Medicare Advantage Landscape Source Files — Last accessed June 13, 2026
- CMS.gov, Medicare Part C & D Performance Data — Last accessed June 13, 2026
- CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Last accessed June 13, 2026
County-level figures shown on this page, including plan counts, enrollment totals, averages, and percentage distributions, reflect standard Medicare Advantage (MA/MAPD) plans only and are derived from CMS datasets using a standardized aggregation methodology.
Data sources and methodology documentation .
- CMS.gov, "Medicare Advantage Plan Fact Sheet" — Last accessed 25 May, 2025
- Medicare.gov, "Your coverage options" — Last accessed 25 May, 2025
- Medicare.gov, "Joining a plan" — Last accessed 25 May, 2025
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Data provenance documentation is maintained in alignment with the U.S. Core Data for Interoperability (USCDI) Provenance standard .
Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.