Medicare Advantage plans in Buchanan, MO, 2027
Buchanan, Missouri has 11 Medicare Advantage plans open to everyone for 2027 (14 in 2026) and 10 special needs plans, according to the CMS landscape files; 7 of the open plans have a $0 premium. 6 plans that served the county in 2026 end or leave it, with 432 members living here in September 2026.
What changes in Buchanan for 2027?
| In the county | 2026 | 2027 | Change |
|---|---|---|---|
| Plans open to everyone | 14 | 11 | ▼down 3 |
| Special needs plans | 10 | 10 | no change |
| Plans with a $0 premium | 10 | 7 | ▼down 3 |
| Plans that lower the Part B premium | 4 | 4 | no change |
| Median out-of-pocket limit | $6,700 | $7,150 | ▲up $450 |
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 Buchanan join?
| Plan | Premium | Out-of-pocket limit | Part B reduction | 2026 stars |
|---|---|---|---|---|
| Aetna Medicare EagleH2663-025 · HMO-POS | $0 | $5,500 | $140 | 4 of 5 |
| Humana USAA Honor GivebackR1532-001 · Regional PPO | $0 | $5,500 | $37 | 2.5 of 5 |
| AARP Medicare Advantage Essentials from UHC KC-6H2802-076 · HMO-POS | $0 | $6,700 | none | 4 of 5 |
| AARP Medicare Advantage Extras from UHC KC-2H2802-032 · HMO-POS | $0 | $7,150 | none | 4 of 5 |
| AARP Medicare Advantage Patriot No Rx KS-MA2H2802-077 · HMO-POS | $0 | $7,150 | $160 | 4 of 5 |
| AARP Medicare Advantage from UHC KC-4H8768-023 · PPO | $0 | $7,150 | none | 3.5 of 5 |
| AARP Medicare Advantage Patriot No Rx KS-MA01H8768-025 · PPO | $0 | $7,150 | $115 | 3.5 of 5 |
| AARP Medicare Advantage from UHC KC-5H8768-039 · PPO | $19 | $7,150 | none | 3.5 of 5 |
| AARP Medicare Advantage from UHC KC-0003H2802-033 · HMO-POS | $55 | $4,450 | none | 4 of 5 |
| Aetna Medicare EliteH5521-746 · PPO | $59 | $7,150 | none | 4.5 of 5 |
| HumanaChoiceR1532-002 · Regional PPO | $119 | $7,700 | 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.
Which plans leave Buchanan in 2027?
Members of these plans here choose a 2027 plan during open enrollment, October 15 to December 7, 2026; choosing by December 31 means no gap; because their plan is leaving the county, they can still join until the end of February 2027, with coverage from the first of the next month. Each plan's page says what happens to its members.
| 2026 plan | Members here, Sept. 2026 | For 2027 |
|---|---|---|
| Aetna Medicare SignatureH2663-042 | 154 | Not offered |
| Aetna Medicare EliteH1608-052 | 113 | Not offered |
| Aetna Medicare Value PlusH2663-056 | 76 | Not offered |
| UHC Medicare Advantage AM-0002R3444-012 | 42 | Not offered |
| UHC Complete Care Support AM-1AR3444-008 | 27 | Not offered |
| UHC Complete Care AM-1R3444-009 | 20 | Not offered |
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11); CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
Which special needs plans are sold here?
Open only to people with Medicaid as well as Medicare, with certain chronic conditions, or living in an institution.
| Plan | Who can join | Premium |
|---|---|---|
| UHC Complete Care MO-1H2001-055 | Chronic or Disabling Condition | $0 |
| UHC Dual Advantage MO-V1H0169-015 | Dual-Eligible | $0 |
| Aetna Medicare Full Dual Extra CareH2663-109 | Dual-Eligible | $0 |
| Aetna Medicare LongevityH2663-113 | Institutional | $0 |
| Aetna Medicare Dual CareH5325-003 | Dual-Eligible | $0 |
| Aetna Medicare Full Dual CareH5325-012 | Dual-Eligible | $0 |
| UHC Nursing Home Plan MO-F001H0710-016 | Institutional | $0.60 |
| UHC Dual Complete MO-Q1H0169-002 | Dual-Eligible | $2.60 |
| UHC Dual Complete MO-S3H0169-014 | Dual-Eligible | $8.90 |
| UHC Dual Complete MO-Q2H2001-040 | Dual-Eligible | $18.40 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
How many people in Buchanan use Medicare Advantage?
7,113 of the county's 18,999 people with Medicare were in a Medicare Advantage plan in September 2026, 37.4%; in Missouri as a whole the share is 54.6%.
Source: CMS Medicare Advantage state and county penetration, September 2026.
What else should you check?
- Medicare Advantage in MissouriEvery county of the state
- 9 stand-alone drug plans in MissouriIf you keep Original Medicare
- Is your plan ending?Every plan not offered in 2027