Medicare Advantage plans in Custer, OK, 2027
Custer, Oklahoma has 8 Medicare Advantage plans open to everyone for 2027 (15 in 2026) and 4 special needs plans, according to the CMS landscape files; 5 of the open plans have a $0 premium. 8 plans that served the county in 2026 end or leave it, with 41 members living here in September 2026.
What changes in Custer for 2027?
| In the county | 2026 | 2027 | Change |
|---|---|---|---|
| Plans open to everyone | 15 | 8 | ▼down 7 |
| Special needs plans | 5 | 4 | ▼down 1 |
| Plans with a $0 premium | 11 | 5 | ▼down 6 |
| Plans that lower the Part B premium | 3 | 2 | ▼down 1 |
| Median out-of-pocket limit | $6,000 | $6,925 | ▲up $925 |
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 Custer join?
| Plan | Premium | Out-of-pocket limit | Part B reduction | 2026 stars |
|---|---|---|---|---|
| AARP Medicare Advantage Patriot No Rx OK-MA01H8768-028 · PPO | $0 | $6,200 | $105 | 3.5 of 5 |
| AARP Medicare Advantage Essentials from UHC OK-3H5253-173 · HMO-POS | $0 | $6,500 | none | 4 of 5 |
| AARP Medicare Advantage Patriot No Rx OK-MA2H5253-205 · HMO-POS | $0 | $6,700 | $150 | 4 of 5 |
| Aetna Medicare SignatureH3288-020 · PPO | $0 | $7,150 | none | 3.5 of 5 |
| AARP Medicare Advantage Extras from UHC OK-10H5253-204 · HMO-POS | $0 | $7,150 | none | 4 of 5 |
| AARP Medicare Advantage from UHC OK-0007H8768-016 · PPO | $10 | $7,150 | none | 3.5 of 5 |
| AARP Medicare Advantage from UHC OK-0001H5253-171 · HMO-POS | $39 | $5,900 | none | 4 of 5 |
| AARP Medicare Advantage from UHC OK-0005H8768-008 · PPO | $79 | $7,150 | none | 3.5 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 Custer 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 |
|---|---|---|
| Blue Cross Medicare Advantage BasicH3979-001 | 29 | Leaves the county |
| Blue Cross Medicare Advantage ClassicH8634-027 | 12 | Not offered |
| Blue Cross Medicare Advantage Dual Care PlusH8554-003 | fewer than 11 | Not offered |
| Blue Cross Medicare Advantage ProtectH8634-028 | fewer than 11 | Not offered |
| Blue Cross Medicare Advantage Dental PremierH8634-029 | fewer than 11 | Not offered |
| Blue Cross Medicare Advantage Health ChoiceH8634-030 | fewer than 11 | Not offered |
| Blue Cross Medicare Advantage BalanceH8634-031 | fewer than 11 | Not offered |
| Blue Cross Medicare Advantage OptimumH8634-032 | fewer than 11 | 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 Dual Advantage OK-V1H5322-033 | Dual-Eligible | $0 |
| Aetna Medicare Dual CareH3288-053 | Dual-Eligible | $0 |
| UHC Dual Complete OK-S002H5322-052 | Dual-Eligible | $0 |
| UHC Dual Complete OK-S001H2001-056 | Dual-Eligible | $10.30 |
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 Custer use Medicare Advantage?
1,384 of the county's 5,295 people with Medicare were in a Medicare Advantage plan in September 2026, 26.1%; in Oklahoma as a whole the share is 42.5%.
Source: CMS Medicare Advantage state and county penetration, September 2026.
What else should you check?
- Medicare Advantage in OklahomaEvery county of the state
- 9 stand-alone drug plans in OklahomaIf you keep Original Medicare
- Is your plan ending?Every plan not offered in 2027