Medicare Supplement in Martin County, Florida. About 52,598 Medicare beneficiaries live here, with roughly 41 percent in Medicare Advantage plans. Top carriers include Humana Gold Plus H1036 and Florida Blue BlueMedicare. For free help comparing plans, call Giron Agency, a licensed Florida agency, or visit gironagency.com.

Martin County Medicare Supplement Plans

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Matt Giron

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Martin County Medicare Supplement — quick answer

Martin County, FL has 52,598 Medicare beneficiaries per CMS Q1 2024 data, with about 41% enrolled in Medicare Advantage. The top medicare supplement carriers are Humana Gold Plus H1036, Florida Blue BlueMedicare, Cleveland Clinic Florida Medicare. We compare these plans for free and never charge a fee.

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The Martin County medicare supplement market

At roughly 41% MA penetration, most of Martin County's 52,598 Medicare beneficiaries stay on Original Medicare, frequently paired with a Medigap policy. That pattern usually signals retirees here prize provider choice and predictable out-of-pocket costs over the lower premiums of MA. The county skews older than the Florida average (36% are 65 or older), which means heavy carrier competition and meaningful plan turnover each Annual Enrollment Period — a yearly review almost always pays off. Humana Gold Plus H1036 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 27 Medicare Advantage plans are available in Martin County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).

Martin County at a glance

Population (2024 ACS)
165,000
Medicare beneficiaries
52,598
MA penetration
41%
Age 65 or older
36%

What makes Martin County different: Stuart / Palm City — Treasure Coast affluent retirees. Highest median household income on FL East Coast outside Palm Beach. FIA + Medigap-heavy.

Top Medicare Advantage plans in Martin County

  • Humana Gold Plus H1036 (HMO)

    4-star CMS rating

  • Florida Blue BlueMedicare (HMO)

    4-star CMS rating

  • Cleveland Clinic Florida Medicare (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 Martin 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. Martin 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

  • Cleveland Clinic Martin North Hospital
  • HCA Florida Lawnwood Hospital
  • Cleveland Clinic Tradition Hospital

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

Top Martin carriers — network lookup

Free help in Martin County: Florida SHINE — Martin — call 1-800-963-5337. 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 Martin County plans that fit your situation.

Local resources in Martin County

Frequently Asked Questions

How many Medicare beneficiaries live in Martin County?

About 52,598 Floridians in Martin County are enrolled in Medicare as of May 2026 CMS data. About 41% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).

Who are the top Medicare carriers in Martin County?

The largest carriers in Martin County are Humana Gold Plus H1036 (HMO), Florida Blue BlueMedicare (HMO), Cleveland Clinic Florida Medicare (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 Martin County?

Florida SHINE — Martin (1-800-963-5337) provides free unbiased Medicare counseling. Major hospitals in the county include Cleveland Clinic Martin North Hospital, HCA Florida Lawnwood Hospital, Cleveland Clinic Tradition Hospital.

How many Medicare Advantage plans are available in Martin County?

As of May 2026, about 27 Medicare Advantage plans are available to Martin County residents, led by Humana Inc., UnitedHealth Group, Inc., CVS Health Corporation, Guidewell Mutual Holding Corporation. We compare all of them side by side at no cost.

Why are Medicare Supplements popular among affluent retirees in Stuart?

Affluent retirees in Stuart often choose Medicare Supplements like Plans G, N to fill gaps in Original Medicare. These plans offer peace of mind with comprehensive coverage tailored to their needs.

When is the best time for me to enroll in a Medicare Supplement plan?

You can enroll during Annual Enrollment Period (AEP) from Oct 15 to Dec 7, or at other times if you have a Special Enrollment Period (SEP). It’s important to review your options early to find the right fit.

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