Medicare Advantage in Gretna, Louisiana (2027): How It Works
For Gretna, 64 Medicare Advantage plans are available across Jefferson Parish for 2026. This guide cuts through the noise: how Medicare Advantage works, how it differs from Original Medicare plus Medigap, and what to weigh — not which plan to pick.
Compare Medicare Advantage options near you
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What’s your ZIP code?
Plan availability is set by your county, so we start here.
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This helps match you with options you’re eligible for.
Do you have Medicare Parts A & B?
This affects which Medicare Advantage options you can choose.
These listings are provided by licensed insurance partners.
Medicare Advantage plans in your area are changing or leaving for 2027.
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Medicare Advantage plans in your area are changing or leaving for 2027.
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- Your doctors — confirmed in-network for 2027
- Your prescriptions — checked against the plan's 2027 drug tiers
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Quick answer
In Gretna (Jefferson Parish), 66 Medicare Advantage plans are offered for 2027, compared with 64 for 2026.
For 2027, 10 of the Medicare Advantage plans offered in Jefferson Parish for 2026 are leaving and 12 are new, while 16 continuing plans change premium, drug deductible, plan type or name.
In Jefferson Parish, which includes Gretna, about 72% of people with Medicare were in a Medicare Advantage plan in 2026.
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in Jefferson Parish, 2027 | 66 | CMS MA Landscape Source Files, CY2026 and CY2027 |
| Medicare Advantage plans offered in Jefferson Parish, 2026 | 64 | CMS MA Landscape Source Files, CY2026 and CY2027 |
| Plans leaving after 2026 | 10 | CMS MA Landscape Source Files, CY2026 and CY2027 |
| Plans new for 2027 | 12 | CMS MA Landscape Source Files, CY2026 and CY2027 |
| Continuing plans that change for 2027 | 16 | CMS MA Landscape Source Files, CY2026 and CY2027 |
| People with Medicare in Jefferson Parish, 2026 | 94,678 | CMS county data and Census ACS (2026) |
| Share in Medicare Advantage in Jefferson Parish, 2026 | 72% | CMS State/County MA Penetration (2026) |
Medicare Advantage chart
Gretna (Jefferson Parish) Medicare Advantage plans comparison chart (2027)
How many Medicare Advantage plans are offered in Gretna (Jefferson Parish), by plan type, for 2027. Counts only: no plan is ranked, and premiums and benefits are not shown (compare those for your ZIP code with the plan finder above or on Medicare.gov).
| Plan type | 2027 |
|---|---|
| All Medicare Advantage plans | 66 |
| Change | Count |
|---|---|
| Medicare Advantage plans offered for 2026 | 64 |
| Medicare Advantage plans offered for 2027 | 66 |
| Offered for 2026, not offered for 2027 (leaving) | 10 |
| New for 2027 | 12 |
| Continuing with a different premium, drug deductible, plan type or name | 16 |
Source: CMS MA Landscape Source Files, CY2026 and CY2027. — = not in the source data.
By ZIP code
Medicare plans by ZIP code in Gretna
Gretna covers 1 ZIP code in Jefferson Parish, where 66 Medicare Advantage plans are offered for 2027 (64 for 2026). Medicare plans are offered county by county, so every ZIP code in a county has the same Medicare Advantage lineup. Enter your ZIP code in the plan finder at the top of this page to compare the plans offered there.
| ZIP code | County |
|---|---|
| 70053 | Jefferson Parish |
Sources: ZIP codes, GeoNames US postal codes (CC BY 4.0), limited to Census ZCTAs. Counts only; no plan is ranked.
Good to know
Medicare Advantage in Gretna: questions (2027)
How many Medicare Advantage plans are available in Gretna for 2027?
Are Medicare Advantage plans different by ZIP code in Gretna?
What does Medicare cost in Gretna for 2027?
When can I enroll or switch in Gretna?
Here's the Gretna picture in plain terms. Your county sets your Medicare options, and Gretna sits in Jefferson Parish (part of Gretna area) — so that's the lens for everything below.
Insurers offer 64 Medicare Advantage plans across 8 organizations for 2026. Roughly 72% of people with Medicare in the county have chosen Medicare Advantage over Original Medicare. Those are factual, area-level counts — we don't rank plans.
Expect the companies active locally, a jargon-free walkthrough of how Medicare works, the 2027 costs, the enrollment calendar, and free help when you want a person to talk to.
Medicare Advantage companies in Jefferson Parish
Answer 3 quick questions to see Medicare options near you from licensed partners.
| Company | Local enrollment | Plans offered | Local agents | Action |
|---|---|---|---|---|
| HumanaNational | — | Yes | ||
| UnitedHealthcareNational | — | Yes | ||
| Aetna (CVS Health)National | — | Yes | ||
| Louisiana Health Service & Indemnity CompanyRegional | — | Yes | ||
| Centene (WellCare)National | — | Yes | ||
| Devoted Health IncRegional | — | Yes |
How your Medicare choices fit together
Almost everyone starts with Original Medicare — Part A (hospital) and Part B (medical), run by the federal government. From there, you generally choose one of two directions, and understanding the fork is the whole game.
The Medicare Advantage path (Part C). You get your Part A and Part B benefits through a private plan approved by Medicare, usually with drug coverage included. Plans work within networks and service areas set at the county level, which is why availability in Gretna, Louisiana depends on your county, not just your state.
The Original Medicare path. You stay with the government program and can add a stand-alone Part D drug plan, and often a Medigap policy to help with the out-of-pocket costs Original Medicare leaves behind — trading bundled extras for broad provider freedom.
Neither path is universally better; the right fit depends on your doctors, your prescriptions, your budget, and how you like to handle care. This guide explains how each works in Gretna, Louisiana so you can decide for yourself. We don't rank or recommend specific plans.
By the numbers
How people get Medicare in Jefferson Parish
(MA penetration in Jefferson Parish)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.

What Medicare costs in 2027
It helps to separate the costs everyone shares from the costs that vary by plan. The program-level numbers here are set nationally — the same whether you're in a big city or a rural county.
Part B premium. Most people pay the standard Part B premium of $202.90 a month in 2026 (2026 amount; 2027 figure will be posted when CMS releases it). Part A is premium-free for most people who worked and paid Medicare taxes long enough.
Part D drug costs. In 2027, a Part D plan's yearly deductible can be no more than $700, and a $2,400 cap limits what you pay out of pocket for covered prescriptions across the year — a real change for anyone with high drug costs.
Higher earners pay more for Parts B and D through an income-related adjustment called IRMAA, which for 2026 starts above $109,000 in annual income for an individual and is based on your 2024 tax return. Most people fall below that line and pay the standard amounts. The 2027 brackets will be posted when CMS releases them.
Plan-specific costs. What an individual plan charges — its premium, deductible, copays, and what it covers — varies by plan and changes yearly. We don't publish those figures or rank plans; Medicare's Plan Finder shows the current details for your situation, and a licensed agent can walk you through them.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
When you can enroll or make changes
Medicare's enrollment windows are federal — the same nationwide — so the timing below applies wherever you live.
Your first window (IEP). When you're new to Medicare, your Initial Enrollment Period is the 7-month window around your 65th birthday month. Signing up on time helps you avoid late penalties that can follow you for years.
Annual Enrollment Period (AEP). Each fall, from October 15 – December 7, anyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan. Changes take effect January 1.
Medicare Advantage Open Enrollment. From January 1 – March 31, if you're already in an Advantage plan you get one chance to switch plans or return to Original Medicare.
Special Enrollment Periods can also open after certain life events, like moving or losing other coverage. The interactive calendar further down lays the year out visually.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
Where to get free, unbiased help near Gretna
Good Medicare help exists and it's free — you don't have to figure this out solo or pay for guidance.
For official specifics and the Plan Finder tool, go straight to Medicare.gov or 1-800-MEDICARE (TTY 1-877-486-2048). And a licensed agent can compare options and handle the paperwork with you.
One note on who we are: MyMedicarePlans.org is an independent, privately owned educational resource — not Medicare, not a government agency, and not affiliated with one. Our job is to help you get oriented, then hand you off to the official sources and licensed professionals for plan decisions.
Latest Medicare Advantage guides for Gretna
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