Medicare Advantage plans in Petroleum, MT, 2027
Petroleum, Montana has 2 Medicare Advantage plans open to everyone for 2027 (2 in 2026) and 0 special needs plans, according to the CMS landscape files; 1 of the open plans have a $0 premium. Every plan that served the county in 2026 is still sold here in 2027.
What changes in Petroleum for 2027?
| In the county | 2026 | 2027 | Change |
|---|---|---|---|
| Plans open to everyone | 2 | 2 | no change |
| Special needs plans | 0 | 0 | no change |
| Plans with a $0 premium | 1 | 1 | no change |
| Plans that lower the Part B premium | 0 | 1 | ▲up 1 |
| Median out-of-pocket limit | $6,700 | $6,700 | no change |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026.
Which plans can anyone in Petroleum join?
| Plan | Premium | Out-of-pocket limit | Part B reduction | 2026 stars |
|---|---|---|---|---|
| UHC MedicareDirect Patriot No Rx PF-MA01H5435-001 · PFFS | $0 | $6,700 | $85 | 2.5 of 5 |
| UHC MedicareDirect PF-0001H5435-024 · PFFS | $155 | $6,700 | none | 2.5 of 5 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026. Stars are the contract's 2026 rating. confirm on Medicare Plan Finder.
How many people in Petroleum use Medicare Advantage?
16 of the county's 126 people with Medicare were in a Medicare Advantage plan in September 2026, 12.7%; in Montana as a whole the share is 29.6%.
Source: CMS Medicare Advantage state and county penetration, September 2026.
What else should you check?
- Medicare Advantage in MontanaEvery county of the state
- 9 stand-alone drug plans in MontanaIf you keep Original Medicare
- Is your plan ending?Every plan not offered in 2027