Plan year 2027 · Aetna · H5521-233
Is Aetna Medicare Signature Plus (PPO) (H5521-233) leaving your parish in 2027?
For members in 20 parishes in Louisiana, yes. Aetna Medicare Signature Plus (PPO) won't cover those parishes in 2027, so at least 2,983 members there need a new plan.
Data updated October 6, 2026 · Source: CMS 2027 landscape, crosswalk and enrollment files
Annual Enrollment: Oct 15 – Dec 7. Some 2027 plans cap enrollment, so don't wait.Annual Enrollment runs October 15 – December 7, 2026. Some 2027 plans limit how many people they'll enroll, so get your options early and lock in the plan you want.
Step 2 · Tell us where to send your options
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Not sure this is your plan? Find your parish and check it there.
What this means for you
What happens if you live in one of these parishes
Aetna Medicare Signature Plus (PPO) won't cover the parishes listed below in 2027. Members who live there are treated the same as members of a plan that's ending. You can choose a new plan during Annual Enrollment (October 15 – December 7, 2026). Because your plan is ending, you also get a Special Enrollment Period through February 28, 2027, and the right to buy certain Medigap policies with no health questions.
Parishes this plan is leaving
Tap your parish to check your plan and see what's still offered there for 2027. Member counts are at least what CMS reports; CMS hides counts of 10 or fewer.
| Parish | Members affected | 2027 plans open to everyone |
|---|---|---|
| Calcasieu Parish | At least 1,918 | 24 plans |
| Tangipahoa Parish | At least 295 | 24 plans |
| St. Mary Parish | At least 182 | 24 plans |
| Madison Parish | At least 65 | 18 plans |
| St. John the Baptist Parish | At least 60 | 22 plans |
| West Feliciana Parish | At least 57 | 17 plans |
| Catahoula Parish | At least 51 | 19 plans |
| Tensas Parish | At least 43 | 21 plans |
| Assumption Parish | At least 42 | 27 plans |
| East Feliciana Parish | At least 39 | 26 plans |
| West Carroll Parish | At least 39 | 18 plans |
| St. James Parish | At least 32 | 22 plans |
| St. Bernard Parish | At least 31 | 23 plans |
| Iberville Parish | At least 30 | 27 plans |
| Pointe Coupee Parish | At least 27 | 24 plans |
| East Carroll Parish | At least 25 | 18 plans |
| Plaquemines Parish | At least 19 | 22 plans |
| St. Helena Parish | At least 17 | 26 plans |
| West Baton Rouge Parish | At least 11 | 27 plans |
| LaSalle Parish | 10 or fewer | 23 plans |
Dates that matter
Annual Notice of Change mailed
Carriers had to mail your Annual Notice of Change, or a non-renewal letter if your plan is ending, before enrollment opens. Check yours for changes.
Annual Enrollment Period
Pick your 2027 plan. Coverage you choose starts January 1, 2027.
How it works →Special Enrollment Period
Members of terminated plans get extra time to choose a new Medicare Advantage or Part D plan.
How it works →Guaranteed-issue Medigap window
Losing your plan gives you the right to buy select Medigap policies with no health questions.
Medicare Advantage Open Enrollment
Already in a Medicare Advantage plan on January 1? You can make one change: switch plans or go back to Original Medicare.
How it works →
Other Aetna plans ending or leaving parishes in Louisiana
- Aetna Medicare Signature Care (HMO)H3928-001 · Leaving some parishes · at least 4,013 members
- Aetna Medicare Value Care (PPO)H5521-326 · Leaving some parishes · at least 1,195 members
- Aetna Medicare Dual Care (PPO D-SNP)H5521-472 · Ending · at least 754 members
- Aetna Medicare Signature Plus (PPO)H5521-645 · Leaving some parishes · at least 384 members
- Aetna Medicare Signature Giveback (PPO)H5521-476 · Leaving some parishes · at least 157 members
- Aetna Medicare Full Dual Care (HMO D-SNP)H3239-027 · Leaving some parishes · at least 132 members
- Aetna Medicare Value Plus (PPO)H5521-646 · Leaving some parishes · at least 79 members
- Aetna Medicare Eagle Plus Giveback (PPO)H5521-235 · Leaving some parishes · at least 38 members