Aetna Medicare Signature Plus (PPO) in 2026 or 2027
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In 2026 or 2027, 11 different plans used this name, in 4 states. Of these, 10 used it in 2026 and 7 use it in 2027 (6 in both years).
Each plan has its own plan ID, and what happens in 2027 depends on the plan and the county. Find the plan ID on your member card (it looks like H1234-001). Then look for it in the tables below.
Check Your Plan with Your ZIP Code
States
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| State | Plans with This Name |
|---|---|
| Alabama | 5 |
| Arkansas | 2 |
| Louisiana | 2 |
| Mississippi | 2 |
Alabama
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| Plan ID | Company | Plan Type | In Alabama | People in Plan |
|---|---|---|---|---|
| H5521-116: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 7 of 14 counties Not offered: 7 of 14 counties | ~2,900 |
| H5521-171: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 7 of 11 counties Not offered: 4 of 11 counties | ~3,200 |
| H5521-224: plan page | Aetna Medicare | PPO: about this plan type | Not offered: 5 of 5 counties | ~320 |
| H5521-227: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 5 of 11 counties Not offered: 6 of 11 counties | ~3,000 |
| H5521-644: plan page | Aetna Medicare | PPO: about this plan type | Not offered: 7 of 7 counties | ~210 |
Arkansas
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| Plan ID | Company | Plan Type | In Arkansas | People in Plan |
|---|---|---|---|---|
| H1608-021: plan page Called Aetna Medicare Signature Classic Plus (PPO) in 2027 | Aetna Medicare | PPO: about this plan type | Offered again: 39 of 58 counties Not offered: 19 of 58 counties | ~9,000 |
| H5521-722: plan page | Aetna Medicare | PPO: about this plan type | New for 2027: 39 counties | Not listed |
Louisiana
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| Plan ID | Company | Plan Type | In Louisiana | People in Plan |
|---|---|---|---|---|
| H5521-233: plan page Called Aetna Medicare Signature Extra Plus (PPO) in 2027 | Aetna Medicare | PPO: about this plan type | Offered again: 11 of 31 counties Not offered: 20 of 31 counties | ~5,600 |
| H5521-645: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 10 of 17 counties Not offered: 7 of 17 counties | ~1,600 |
Mississippi
See the 2 plans in MississippiHide the plans
| Plan ID | Company | Plan Type | In Mississippi | People in Plan |
|---|---|---|---|---|
| H5521-218: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 51 of 54 counties Not offered: 3 of 54 counties | ~9,700 |
| H5521-553: plan page | Aetna Medicare | PPO: about this plan type | Offered again: 8 of 9 counties Not offered: 1 of 9 counties | ~3,100 |
More About Each Plan
Open a plan ID above to see every county where that plan is offered, its costs and its star rating. To see what happens to your plan where you live, and what else is offered there, check with your ZIP code.
These numbers come from CMS's plan files. If you're in one of these plans, confirm with your Annual Notice of Change or the letter from your plan.
Source: CMS CY2027 Landscape, data as of October 18, 2026 (release 202610). Enrollment: CMS Monthly Enrollment by Contract/Plan/State/County, October 2026. Plan moves: CMS 2027 Plan Crosswalk, file dated October 1, 2026. People counts add up each plan's members in its counties in that state. They don't count members who live outside those counties. See how we get our numbers.