Medicare Advantage in Harrison County, Texas. About 14,772 Medicare beneficiaries live here, with roughly 52 percent in Medicare Advantage plans. Top carriers include UnitedHealthcare / AARP and Humana. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.
Harrison County, TX has 14,772 Medicare beneficiaries per CMS Q1 2024 data, with about 52% enrolled in Medicare Advantage. The top medicare advantage carriers are UnitedHealthcare / AARP, Humana, Cigna. We compare these plans for free and never charge a fee.
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The Harrison County medicare advantage market
About 52% of Harrison County's 14,772 Medicare beneficiaries are in Medicare Advantage — right around the national norm — so you'll find a genuine mix of competitive MA plans and Medigap options here rather than a one-sided market. UnitedHealthcare / AARP currently leads the county by enrollment, but the lowest total-cost plan for your specific drugs and doctors is often a smaller carrier — which is why we run all of them side by side instead of pushing the biggest name. Right now roughly 23 Medicare Advantage plans are available in Harrison County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).
Harrison County at a glance
Population (2024 ACS)
72,502
Medicare beneficiaries
14,772
MA penetration
52%
Age 65 or older
17%
What makes Harrison County different: Harrison County in deep East Texas centers on Marshall, a historic rail and pottery town where Marshall Pottery was founded in 1895. Oil and gas, lumber and manufacturing remain the economic backbone, and about 17% of residents are 65 or older, served by CHRISTUS Good Shepherd Medical Center - Marshall, the principal hospital for Harrison County.
Top Medicare Advantage plans in Harrison County
UnitedHealthcare / AARP
4-star CMS rating
Humana (Gold Plus)
4-star CMS rating
Cigna
3.5-star CMS rating
Source: CMS Monthly MA Enrollment by State/County/Contract (latest Q1 2024). Enrollment figures refresh monthly at data.cms.gov.
Before you enroll: verify your hospital + doctor in Harrison County
Each Medicare Advantage plan builds its own provider network — a hospital that's in-network
on one plan may be out-of-network on another. Harrison County has 2
major hospital systems. Before you enroll, check that your preferred hospital and physicians
participate in the specific plan you're considering.
Major hospitals to verify
▸CHRISTUS Good Shepherd Medical Center - Marshall
▸CHRISTUS Good Shepherd Medical Center - Longview (referral)
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
Free help in Harrison County: Texas HICAP — call 1-800-252-9240.
SHIP counselors offer free unbiased Medicare guidance and can run network checks at no cost.
Or skip the cross-checking — we run network checks against your prescriptions and doctors
at no cost during any consult.
Medicare AEP opens in 131 days
131 daysuntil open
Outside the windows, Special Enrollment Periods (SEP) still let you change plans if you moved, lost coverage, qualify for Extra Help / dual eligible, or had a plan terminated. Call to see if you qualify.
Major hospitals: CHRISTUS Good Shepherd Medical Center - Marshall, CHRISTUS Good Shepherd Medical Center - Longview (referral)
Frequently Asked Questions
How many Medicare beneficiaries live in Harrison County?▾
About 14,772 Texans in Harrison County are enrolled in Medicare as of May 2026 CMS data. About 52% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).
Who are the top Medicare carriers in Harrison County?▾
The largest carriers in Harrison County are UnitedHealthcare / AARP, Humana (Gold Plus), Cigna. We work with all of them and a few smaller carriers that often have better rates for specific situations.
What SHIP resources are available in Harrison County?▾
Texas HICAP (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include CHRISTUS Good Shepherd Medical Center - Marshall, CHRISTUS Good Shepherd Medical Center - Longview (referral).
How many Medicare Advantage plans are available in Harrison County?▾
As of May 2026, about 23 Medicare Advantage plans are available to Harrison County residents, led by UnitedHealth Group, Inc., Humana Inc., Health Care Service Corporation, CVS Health Corporation. We compare all of them side by side at no cost.
How does Medicare Advantage fit Harrison County’s unique demographics?▾
With 18% of residents aged 65 or older, Medicare Advantage plans in Marshall offer comprehensive coverage that fits the needs of this aging population.
When can I enroll in a Medicare Advantage plan for next year?▾
You can enroll during the Annual Enrollment Period from October 15 to December 7. Also consider Special Enrollment Periods if you have a life-changing event.
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