Medicare Advantage in Harris County, Texas. About 659,658 Medicare beneficiaries live here, with roughly 62 percent in Medicare Advantage plans. Top carriers include Humana Gold Plus H4007 and WellCare Texan Plus. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.

Harris County Medicare Advantage Plans

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Matt Giron

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Harris County Medicare Advantage — quick answer

Harris County, TX has 659,658 Medicare beneficiaries per CMS Q1 2024 data, with about 62% enrolled in Medicare Advantage. The top medicare advantage carriers are Humana Gold Plus H4007, WellCare Texan Plus, UnitedHealthcare AARP Medicare Advantage Plan 1. We compare these plans for free and never charge a fee.

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The Harris County medicare advantage market

Harris County posts one of the highest Medicare Advantage adoption rates in Texas — roughly 62% of its 659,658 beneficiaries chose an MA plan over Original Medicare. That level of uptake usually means carriers compete hard locally, so the extra benefits (dental, OTC allowance, transportation, gym) tend to be richer than the Texas average. Only 12% of Harris 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. Humana Gold Plus H4007 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 47 Medicare Advantage plans are available in Harris County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).

Harris County at a glance

Population (2024 ACS)
4,835,125
Medicare beneficiaries
659,658
MA penetration
62%
Age 65 or older
12%

What makes Harris County different: Nearly 690,000 residents covered through the ACA in Harris County alone (Episcopal Health Foundation). Houston has the most ACA enrollees of any TX county.

Top Medicare Advantage plans in Harris County

  • Humana Gold Plus H4007 (HMO)

    4-star CMS rating

  • WellCare Texan Plus (HMO)

    4-star CMS rating

  • UnitedHealthcare AARP Medicare Advantage Plan 1 (HMO)

    4-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 Harris 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. Harris County has 3 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

  • Memorial Hermann-Texas Medical Center
  • Houston Methodist Hospital
  • St. Luke's Health–Baylor St. Luke's

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

Top Harris carriers — network lookup

Free help in Harris County: TX HICAP — Houston-Galveston Area Council — 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 Harris County plans that fit your situation.

Local resources in Harris County

Frequently Asked Questions

How many Medicare beneficiaries live in Harris County?

About 659,658 Texans in Harris County are enrolled in Medicare as of May 2026 CMS data. About 62% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).

Who are the top Medicare carriers in Harris County?

The largest carriers in Harris County are Humana Gold Plus H4007 (HMO), WellCare Texan Plus (HMO), UnitedHealthcare AARP Medicare Advantage Plan 1 (HMO). 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 Harris County?

TX HICAP — Houston-Galveston Area Council (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include Memorial Hermann-Texas Medical Center, Houston Methodist Hospital, St. Luke's Health–Baylor St. Luke's.

How many Medicare Advantage plans are available in Harris County?

As of May 2026, about 47 Medicare Advantage plans are available to Harris County residents, led by UnitedHealth Group, Inc., Health Care Service Corporation, CVS Health Corporation, Humana Inc.. We compare all of them side by side at no cost.

How does Medicare Advantage coverage compare with other insurance options for seniors in Harris County?

In Harris County, over 639,500 people benefit from Medicare Advantage plans. These plans offer bundled hospital, medical, and usually drug coverage, making them a popular choice among residents near Houston.

What should I consider when enrolling in Medicare Advantage during the Annual Enrollment Period?

During AEP (Oct 15-Dec 7), review your options carefully. Consider factors like hospital networks and local providers, such as Memorial Hermann-Texas Medical Center or Houston Methodist Hospital, to ensure you get the best fit for your healthcare needs.

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