Medicare Advantage carrier · Nassau County, Florida

UnitedHealthcare Medicare Advantage in Nassau County, Florida (2026)

2,466 members ★ 4.5 stars #1 in county

UnitedHealthcare is the most-enrolled Medicare Advantage carrier in Nassau County, Florida, with roughly 2,466 members across the plans we track and a CMS Star Rating around 4.5 on its top local plan. UnitedHealthcare is the largest Medicare Advantage insurer in the country, including the AARP-branded plans. It offers a wide range of HMO and PPO options in both Texas and Florida with extensive national networks. As an independent agency, Giron Agency helps you compare UnitedHealthcare against every other Medicare Advantage option in Nassau County — free, and we don't work for any carrier.

Reviewed for the 2026 plan year · enrollment from CMS data · Giron Agency is independent and licensed in Texas.

UnitedHealthcare members here
2,466
County on Medicare Advantage
36%
Top-plan CMS rating
★ 4.5

About UnitedHealthcare

  • Largest MA enrollment nationally
  • AARP-branded plans
  • Broad HMO & PPO availability
  • UCard for OTC/benefits

Footprint: Nationwide.

Other Medicare Advantage carriers in Nassau County

CarrierMembers
Aetna (CVS Health) 1,007 compare →

Major hospitals in Nassau County

Before enrolling in any UnitedHealthcare plan, confirm these are in-network for the specific plan — we check that for you:

  • • Baptist Medical Center Nassau
  • • UF Health North (Jacksonville)
  • • Baptist Medical Center Jacksonville

Nassau County: Nassau County pairs the upscale Amelia Island resort economy (Ritz-Carlton and Omni Amelia Island Resort) and Rayonier's historic Fernandina Beach pulp mill with a high 24.9% age-65+ share, reflecting its draw as a coastal retirement and second-home market on the northeast tip of the Jacksonville metro. Baptist Medical Center Nassau is the county's only acute-care hospital, anchoring care for a fast-growing retiree population.

Compare UnitedHealthcare the right way

We'll check whether your doctors and drugs are covered under UnitedHealthcare in Nassau County — and compare it head-to-head with the other plans. Free, no pressure.

Get a free quote Call (305) 306-3301

Frequently Asked Questions

Is UnitedHealthcare Medicare Advantage good in Nassau County?

UnitedHealthcare is the most-enrolled Medicare Advantage carrier in Nassau County with about 2,466 members and roughly 4.5 CMS stars on its top plan. Whether it's the right plan for you depends on your doctors, your medications, and the plan's network and copays — which is exactly what we compare for you at no cost.

How many people have UnitedHealthcare in Nassau County?

About 2,466 are enrolled in UnitedHealthcare Medicare Advantage plans we track in Nassau County. The county has roughly 26,000 Medicare beneficiaries overall, with about 36% on Medicare Advantage.

What other Medicare Advantage carriers are available in Nassau County?

Besides UnitedHealthcare, Nassau County residents can choose from Aetna (CVS Health). We compare all of them against your needs — free and with no pressure.

Does Giron Agency sell UnitedHealthcare?

We're an independent agency — we help you compare UnitedHealthcare alongside other carriers and recommend what genuinely fits. We don't work for any insurer, and there's never a fee to you.

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