Patient Advocacy Without the Call Center
The data layer behind our Louisiana guide and all 63 city pages, in one place: CMS enrollment, Census demographics, and federal shortage designations, parish by parish.
Coverage data 2024-2025. Plan networks change - we confirm exactly what your plan covers before any work begins.
The 38 Louisiana parishes our city pages cover (Louisiana has parishes instead of counties), with 859,877 beneficiaries. Each parish links to its anchor city page.
| Parish | Medicare beneficiaries | Medicare Advantage share | Dual-eligible | Residents 65+ | Shortage designations |
|---|---|---|---|---|---|
| Jefferson Parish | 93,699 | 70.8% | 19,685 | 78,367 | 9 |
| East Baton Rouge Parish | 83,258 | 63.4% | 18,278 | 67,353 | 4 |
| Orleans Parish | 68,955 | 68% | 22,946 | 61,879 | 9 |
| St. Tammany Parish | 61,738 | 61.5% | 8,703 | 48,517 | 0 |
| Caddo Parish | 52,742 | 50.8% | 14,177 | 42,913 | 4 |
| Lafayette Parish | 47,088 | 40.1% | 9,316 | 35,109 | 2 |
| Calcasieu Parish | 39,789 | 44.1% | 8,096 | 32,572 | 6 |
| Ouachita Parish | 31,000 | 49.2% | 8,296 | 24,569 | 3 |
| Rapides Parish | 29,039 | 41.6% | 7,945 | 21,434 | 3 |
| Tangipahoa Parish | 27,726 | 63.1% | 7,577 | 20,261 | 4 |
| Livingston Parish | 25,170 | 68% | 4,661 | 19,746 | 1 |
| Bossier Parish | 23,580 | 41.7% | 4,251 | 19,355 | 1 |
| Terrebonne Parish | 22,544 | 58.6% | 5,583 | 16,549 | 2 |
| Ascension Parish | 21,538 | 68.5% | 3,308 | 16,366 | 2 |
| Lafourche Parish | 20,065 | 59.7% | 4,231 | 15,662 | 2 |
| St. Landry Parish | 19,968 | 48.9% | 6,351 | 13,649 | 8 |
| Iberia Parish | 15,952 | 53% | 4,452 | 11,164 | 2 |
| Acadia Parish | 13,087 | 45.3% | 3,770 | 9,227 | 1 |
| Vermilion Parish | 12,454 | 48.5% | 3,062 | 9,161 | 6 |
| St. Martin Parish | 11,550 | 52.3% | 2,992 | 8,544 | 1 |
| St. Mary Parish | 11,386 | 62.4% | 3,180 | 8,704 | 3 |
| Washington Parish | 10,932 | 61% | 3,609 | 8,387 | 3 |
| St. Charles Parish | 10,413 | 74.1% | 1,629 | 7,715 | 0 |
| Webster Parish | 9,819 | 48.7% | 2,577 | 7,320 | 2 |
| Avoyelles Parish | 9,204 | 48.1% | 3,197 | 6,771 | 11 |
| St. John the Baptist Parish | 8,979 | 75.2% | 2,288 | 6,169 | 1 |
| Vernon Parish | 8,113 | 35.5% | 1,687 | 6,470 | 1 |
| Lincoln Parish | 8,099 | 45.1% | 1,820 | 6,751 | 1 |
| Beauregard Parish | 8,036 | 38.1% | 1,606 | 5,867 | 4 |
| Natchitoches Parish | 8,016 | 45.3% | 2,225 | 6,213 | 2 |
| St. Bernard Parish | 7,507 | 70.7% | 2,219 | 5,622 | 0 |
| Evangeline Parish | 7,170 | 42.9% | 2,514 | 5,048 | 5 |
| Jefferson Davis Parish | 6,957 | 37% | 1,713 | 5,300 | 2 |
| Iberville Parish | 6,821 | 72.1% | 1,780 | 5,184 | 5 |
| Morehouse Parish | 6,616 | 55.1% | 2,234 | 4,833 | 4 |
| Allen Parish | 4,751 | 43.9% | 1,326 | 3,250 | 10 |
| Plaquemines Parish | 4,108 | 68.9% | 883 | 3,214 | 2 |
| Madison Parish | 2,008 | 48.6% | 762 | 1,644 | 1 |
Statewide, 56.6% of beneficiaries chose Medicare Advantage in 2025. Parishes above that line see more prior authorizations and more denials worth appealing; parishes below it lean on Medigap, where Louisiana adds a yearly birthday rule: a Medigap policyholder has 63 days from each birthday to switch to a plan with equal or lesser benefits from the same insurer or an affiliate without health questions, and people on Medicare through disability get the same six-month Medigap open enrollment as people turning 65. About 14.1% of Louisiana seniors live below the poverty line, the group most likely to qualify for unclaimed help: Extra Help and Louisiana's Medicare Savings Programs, which have no asset test for QMB, SLMB, or QI. Louisiana has no state pharmaceutical assistance program, so the Medicare Savings Programs and Extra Help are the drug-cost help to claim. For the full rundown, sources included, see our Louisiana patient advocacy hub.
One dedicated advocate for the bills, appeals, appointments, and paperwork, serving all 64 Louisiana parishes virtually, usually at $0 with Medicare.
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Read moreSources: CMS Medicare Monthly Enrollment (2025); US Census Bureau ACS 2023 5-year; CMS Care Compare Timely & Effective Care (median ER minutes, period ending 09/30/2025); HRSA Health Professional Shortage Area designation file. Data retrieved 2026-09-28. Understood Care is an independent private advocacy service, not a government agency.