ACA Health Insurance in Seminole County, Florida. About 93,344 Medicare beneficiaries live here, with roughly 54 percent in Medicare Advantage plans. Top carriers include Humana Gold Plus H1036 and WellCare Premier. For free help comparing plans, call Giron Agency, a licensed Florida agency, or visit gironagency.com.

Seminole County ACA Health Insurance Plans

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Matt Giron

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Seminole County ACA Health Insurance — quick answer

Seminole County, FL has about 481,000 residents per the 2024 ACS 5-year estimates (16% age 65 or older). The leading insurance carriers serving the county for aca health insurance include Humana Gold Plus H1036, WellCare Premier, AdventHealth Advantage. We compare options at no cost to you.

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The Seminole County aca health insurance market

Seminole County has about 481,000 residents, 16% of them 65 or older. For aca health insurance, the carriers with the strongest local presence include Humana Gold Plus H1036, WellCare Premier, AdventHealth Advantage — but the right fit depends on your household size, income, and which doctors you want to keep. We compare Humana Gold Plus H1036 against every other carrier serving Seminole 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).

Seminole County at a glance

Population (2024 ACS)
481,000
Medicare beneficiaries
93,344
MA penetration
54%
Age 65 or older
16%

What makes Seminole County different: Orlando MSA suburb — AdventHealth-aligned MA plans. Growing PR Medicare base (post-Maria migration).

Top carriers in Seminole County

  • Humana Gold Plus H1036 (HMO)

    4-star CMS rating

  • WellCare Premier (HMO)

    4-star CMS rating

  • AdventHealth 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 Seminole 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. Seminole 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

  • AdventHealth Altamonte Springs
  • Orlando Health South Seminole Hospital
  • AdventHealth Lake Mary

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

Top Seminole carriers — network lookup

  • Humana Gold Plus H1036 4★
    Humana provider finder ↗
  • WellCare Premier 4★
    Search "WellCare Premier provider directory" or call the carrier directly.
  • AdventHealth Advantage 4★
    Search "AdventHealth Advantage provider directory" or call the carrier directly.

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 Seminole County plans that fit your situation.

Local resources in Seminole County

Frequently Asked Questions

How many people live in Seminole County?

Seminole County has about 481,000 residents per the 2024 ACS 5-year estimates; 16% are age 65 or older.

Who are the top insurers in Seminole County?

The largest carriers in Seminole County are Humana Gold Plus H1036 (HMO), WellCare Premier (HMO), AdventHealth 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 Seminole County?

Florida SHINE — Seminole (1-800-963-5337) provides free unbiased Medicare counseling. Major hospitals in the county include AdventHealth Altamonte Springs, Orlando Health South Seminole Hospital, AdventHealth Lake Mary.

How does the growing Medicare base in Seminole County affect my options?

With a significant post-Maria migration, Seminole County now has a larger Medicare population. This means more MA plans aligned with AdventHealth are available, offering tailored coverage for seniors like you.

When is the best time to enroll in ACA health insurance?

Open Enrollment Period (OEP) runs from Nov 15 to Dec 15. Annual Enrollment Period (AEP) is Oct 15-Dec 7, and Special Enrollments Periods (SEPs) are available for life changes like moving or losing coverage.

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