ACA Health Insurance in Collin County, Texas. About 161,721 Medicare beneficiaries live here, with roughly 43 percent in Medicare Advantage plans. Top carriers include Humana Gold Plus H4007 and UnitedHealthcare AARP Medicare Advantage Plan 1. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.

Collin County ACA Health Insurance Plans

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Collin County ACA Health Insurance — quick answer

Collin County, TX has about 1,195,602 residents per the 2024 ACS 5-year estimates (12% age 65 or older). The leading insurance carriers serving the county for aca health insurance include Humana Gold Plus H4007, UnitedHealthcare AARP Medicare Advantage Plan 1, Texas Health Aetna Medicare Advantage. We compare options at no cost to you.

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The Collin County aca health insurance market

Collin County has about 1,195,602 residents, 12% of them 65 or older. For aca health insurance, the carriers with the strongest local presence include Humana Gold Plus H4007, UnitedHealthcare AARP Medicare Advantage Plan 1, Texas Health Aetna Medicare Advantage — but the right fit depends on your household size, income, and which doctors you want to keep. We compare Humana Gold Plus H4007 against every other carrier serving Collin County at no cost, because the plan with the lowest sticker premium is rarely the one with the lowest total annual cost once subsidies, deductibles, and your prescriptions are factored in. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).

Collin County at a glance

Population (2024 ACS)
1,195,602
Medicare beneficiaries
161,721
MA penetration
43%
Age 65 or older
12%

What makes Collin County different: Plano/Frisco/McKinney — ACA-heavy under-65 (corporate transplant population). Below-state-average MA penetration.

Top carriers in Collin County

  • Humana Gold Plus H4007 (HMO)

    4-star CMS rating

  • UnitedHealthcare AARP Medicare Advantage Plan 1 (HMO)

    4-star CMS rating

  • Texas Health Aetna Medicare Advantage (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 Collin County

Each ACA Health Insurance plan builds its own provider network — a hospital that's in-network on one plan may be out-of-network on another. Collin 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

  • Texas Health Presbyterian Hospital Plano
  • Medical City Plano
  • Baylor Scott & White Medical Center–Plano

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

Top Collin carriers — network lookup

Or skip the cross-checking — we run network checks against your prescriptions and doctors at no cost during any consult.

Want to talk it through?

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

Local resources in Collin County

Frequently Asked Questions

How many people live in Collin County?

Collin County has about 1,195,602 residents per the 2024 ACS 5-year estimates; 12% are age 65 or older.

Who are the top insurers in Collin County?

The largest carriers in Collin County are Humana Gold Plus H4007 (HMO), UnitedHealthcare AARP Medicare Advantage Plan 1 (HMO), Texas Health Aetna Medicare Advantage (HMO). We work with all of them and a few smaller carriers that often have better rates for specific situations.

What state resources are available in Collin County?

TX HICAP — North Central Texas Council of Governments (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include Texas Health Presbyterian Hospital Plano, Medical City Plano, Baylor Scott & White Medical Center–Plano.

How does ACA coverage work differently in Collin County compared to other areas?

Collin County has a higher corporate transplant population, leading to more ACA plans available. This unique situation means you can explore a wider range of options tailored for under-65 residents.

When is the best time to enroll in an ACA plan in Collin County?

The Annual Enrollment Period (AEP) runs from October 15 to December 7. However, you can also enroll during Special Enrollment Periods if there's a qualifying life event.

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