Medicare Advantage in Columbia County, Florida. About 18,346 Medicare beneficiaries live here, with roughly 53 percent in Medicare Advantage plans. Top carriers include Humana and UnitedHealthcare. For free help comparing plans, call Giron Agency, a licensed Florida agency, or visit gironagency.com.

Columbia County Medicare Advantage Plans

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Matt Giron

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Columbia County Medicare Advantage — quick answer

Columbia County, FL has 18,346 Medicare beneficiaries per CMS Q1 2024 data, with about 53% enrolled in Medicare Advantage. The top medicare advantage carriers are Humana, UnitedHealthcare, Preferred Care Partners. We compare these plans for free and never charge a fee.

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The Columbia County medicare advantage market

About 53% of Columbia County's 18,346 Medicare beneficiaries are in Medicare Advantage — right around the national norm — so you'll find a genuine mix of competitive MA plans and Medigap options here rather than a one-sided market. Humana 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 15 Medicare Advantage plans are available in Columbia County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).

Columbia County at a glance

Population (2024 ACS)
74,467
Medicare beneficiaries
18,346
MA penetration
53%
Age 65 or older
19%

What makes Columbia County different: Lake City, the Columbia County seat, is known as the 'Gateway to Florida' at the I-10/I-75 crossroads; HCA Florida Lake City Hospital, a 141-bed acute-care facility, is the regional medical hub serving Columbia, Hamilton and Suwannee counties, and the Lake City VA Medical Center has provided veteran care for over a century.

Top Medicare Advantage plans in Columbia County

  • Humana

    4.5-star CMS rating

  • UnitedHealthcare

    4.5-star CMS rating

  • Preferred Care Partners (UnitedHealth)

    4-star CMS rating

  • Aetna

    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 Columbia 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. Columbia County has 2 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

  • HCA Florida Lake City Hospital
  • Lake City VA Medical Center (NF/SG VHS)

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

Top Columbia carriers — network lookup

Free help in Columbia County: Florida SHINE — Columbia County — 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 Columbia County plans that fit your situation.

Local resources in Columbia County

Frequently Asked Questions

How many Medicare beneficiaries live in Columbia County?

About 18,346 Floridians in Columbia County are enrolled in Medicare as of May 2026 CMS data. About 53% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).

Who are the top Medicare carriers in Columbia County?

The largest carriers in Columbia County are Humana, UnitedHealthcare, Preferred Care Partners (UnitedHealth), Aetna. 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 Columbia County?

Florida SHINE — Columbia County (1-800-963-5337) provides free unbiased Medicare counseling. Major hospitals in the county include HCA Florida Lake City Hospital, Lake City VA Medical Center (NF/SG VHS).

How many Medicare Advantage plans are available in Columbia County?

As of May 2026, about 15 Medicare Advantage plans are available to Columbia 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.

How does the local hospital impact Medicare Advantage plans in Columbia County?

HCA Florida Lake City Hospital, a 141-bed acute-care facility, serves as the regional medical hub for Columbia, Hamilton, and Suwannee counties. This means your plan will likely offer comprehensive coverage close to home.

When can I enroll in Medicare Advantage plans?

You can enroll during Annual Enrollment Period (AEP) from October 15 to December 7 each year, or during Special Enrollment Periods (SEPs) for life changes like moving to Columbia County.

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