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Medicare plans in Treasure County, MT — 2026
What agents look up before working a county: plan count, carriers, $0-premium share, star distribution, MOOP range, the 65+ and 60–64 population, and what changed since last year.
In 2026, Treasure County, Montana has 19 Medicare plans (3 Medicare Advantage with drug coverage, 2 without, 11 standalone Part D, 3 Special Needs) from 6 carriers. 1 Medicare Advantage plan has a $0 premium. The lowest in-network out-of-pocket maximum is $5,700.
Market snapshot
- Residents 65 and older
- 167
- Residents 60–64, aging in over the next five years
- 96
- Medicare eligibles
- 242
- Medicare Advantage penetration
- 33.9%
- Plans per 1,000 residents 65+
- 113.8
Carriers by number of plans
- Humana — 11 plans
- HealthSpring — 2 plans
- UnitedHealthcare — 2 plans
- Wellcare — 2 plans
- Aetna Medicare — 1 plan
- MedicareBlue Rx — 1 plan
Plans sorted by CMS star rating, then premium
| Plan | Carrier | Category | Plan type | Monthly premium | Drug deductible | Out-of-pocket maximum | Star rating |
|---|
| HumanaChoice SNP-DE H7617-036 (PPO D-SNP) (H7617-036-0) | Humana | SNP | PPO D-SNP | $41.50 | $615 | $9,250 | 4.5 |
|---|
| HumanaChoice SNP-DE H7617-037 (PPO D-SNP) (H7617-037-0) | Humana | SNP | PPO D-SNP | $41.50 | $615 | $9,250 | 4.5 |
|---|
| HumanaChoice H5216-457 (PPO) (H5216-457-2) | Humana | MA-PD | PPO | $0 | $400 | $6,500 | 3.5 |
|---|
| Humana Gold Plus H6622-007 (HMO) (H6622-007-0) | Humana | MA-PD | HMO | $18 | $615 | $5,700 | 3.5 |
|---|
| Humana Gold Plus SNP-DE H6622-008 (HMO D-SNP) (H6622-008-0) | Humana | SNP | HMO D-SNP | $30 | $615 | $9,250 | 3.5 |
|---|
| HumanaChoice H5216-048 (PPO) (H5216-048-0) | Humana | MA-PD | PPO | $87 | $615 | $6,750 | 3.5 |
|---|
| Humana USAA Honor Giveback (PPO) (H5216-427-5) | Humana | MA | PPO | | | $9,150 | 3.5 |
|---|
| Humana USAA Honor Giveback (PPO) (H5216-278-3) | Humana | MA | PPO | | | $6,750 | 3.5 |
|---|
| Humana Basic Rx Plan (PDP) (S5884-145-0) | Humana | PDP | PDP | $4.70 | $615 | | Not rated |
|---|
| AARP Medicare Rx Saver from UHC (PDP) (S5921-370-0) | UnitedHealthcare | PDP | PDP | $5.30 | $615 | | Not rated |
|---|
Showing 10 of 19 plans.
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About this data
Source: CMS Medicare Advantage/Part D Landscape files, plan year 2026; population: U.S. Census Bureau ACS 5-year 2024; MA penetration: CMS September 2026.
This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.