Medicare Supplement in Chambers County, Texas. About 8,292 Medicare beneficiaries live here, with roughly 53 percent in Medicare Advantage plans. Top carriers include Cigna HealthSpring and UnitedHealthcare / AARP. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.

Chambers County Medicare Supplement Plans

Mont Belvieu-area carriers, real enrollment data, free quotes from a licensed Texas agent.

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Matt Giron

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Chambers County Medicare Supplement — quick answer

Chambers County, TX has 8,292 Medicare beneficiaries per CMS Q1 2024 data, with about 53% enrolled in Medicare Advantage. The top medicare supplement carriers are Cigna HealthSpring, UnitedHealthcare / AARP, Humana. We compare these plans for free and never charge a fee.

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The Chambers County medicare supplement market

About 53% of Chambers County's 8,292 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. Only 13% of Chambers residents are 65 or older, so it's a younger county where fewer agents specialize in Medicare locally — exactly the gap a dedicated Texas agent fills. Cigna HealthSpring 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 21 Medicare Advantage plans are available in Chambers County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).

Chambers County at a glance

Population (2024 ACS)
59,200
Medicare beneficiaries
8,292
MA penetration
53%
Age 65 or older
13%

What makes Chambers County different: Chambers County's largest city, Mont Belvieu, sits atop massive underground salt-dome caverns that form one of the world's largest natural gas liquids (NGL) storage and fractionation hubs, anchoring the county to the Gulf Coast petrochemical economy. The historic county seat is Anahuac on Galveston Bay.

Top Medicare Advantage plans in Chambers County

  • Cigna HealthSpring

    4-star CMS rating

  • UnitedHealthcare / AARP

    4-star CMS rating

  • Humana

    4-star CMS rating

  • WellCare (Centene) of Texas

    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 Chambers County

Each Medicare Supplement plan builds its own provider network — a hospital that's in-network on one plan may be out-of-network on another. Chambers 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

  • Houston Methodist Baytown Hospital
  • Bayside Community Hospital - Chambers Health (Anahuac)

Call each hospital's billing office directly — or use the carrier's network tool on the right to search by hospital name.

Top Chambers carriers — network lookup

Free help in Chambers 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.

Check SEP eligibility (15-min) →

Want to talk it through?

Pick a time on Matt's calendar — 15 minutes, no sales pressure, no obligation. We'll walk through the Chambers County plans that fit your situation.

Local resources in Chambers County

Frequently Asked Questions

How many Medicare beneficiaries live in Chambers County?

About 8,292 Texans in Chambers County are enrolled in Medicare as of May 2026 CMS data. About 53% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).

Who are the top Medicare carriers in Chambers County?

The largest carriers in Chambers County are Cigna HealthSpring, UnitedHealthcare / AARP, Humana, WellCare (Centene) of Texas. 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 Chambers County?

Texas HICAP (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include Houston Methodist Baytown Hospital, Bayside Community Hospital - Chambers Health (Anahuac).

How many Medicare Advantage plans are available in Chambers County?

As of May 2026, about 21 Medicare Advantage plans are available to Chambers County residents, led by CVS Health Corporation, UnitedHealth Group, Inc., Health Care Service Corporation, Humana Inc.. We compare all of them side by side at no cost.

How does the unique geology of Mont Belvieu affect Medicare Supplement plans?

The large underground salt-dome caverns in Mont Belvieu contribute to a robust petrochemical industry, which can influence health care needs. Our local agent help tailor Plans G, N, and high-deductible G to address these unique demands.

When is the best time to enroll in Medicare Supplement plans?

The Annual Enrollment Period (AEP) from October 15th to December 7th is ideal for reviewing options. Matt can also assist with Special Enrollment Periods if you experience a life event like moving to Mont Belvieu.

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