Medicare Supplement in Callahan County, Texas. About 3,838 Medicare beneficiaries live here, with roughly 42 percent in Medicare Advantage plans. Top carriers include Humana and UnitedHealthcare. For free help comparing plans, call Giron Agency, a licensed Texas agency, or visit gironagency.com.
Callahan County Medicare Supplement — quick answer
Callahan County, TX has 3,838 Medicare beneficiaries per CMS Q1 2024 data, with about 42% enrolled in Medicare Advantage. The top medicare supplement carriers are Humana, UnitedHealthcare, Wellcare. We compare these plans for free and never charge a fee.
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The Callahan County medicare supplement market
At roughly 42% MA penetration, most of Callahan County's 3,838 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 Texas average (22% 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 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 8 Medicare Advantage plans are available in Callahan County, so a side-by-side comparison genuinely matters. Medicare Advantage enrollment figures reflect the latest CMS data (May 2026).
Callahan County at a glance
Population (2024 ACS)
14,241
Medicare beneficiaries
3,838
MA penetration
42%
Age 65 or older
22%
What makes Callahan County different: Callahan County has no hospital within its borders; its roughly 3,800 Medicare beneficiaries (about 27% of residents) rely on Hendrick Health hospitals in neighboring Abilene (Taylor County) for inpatient and emergency care, while the county's economy centers on ranching, oil and gas, and large wind farms along the Callahan Divide ridge, including the 400 MW Lone Star Wind Farm (shared with Shackelford County) and the Ranchland Wind + Storage facility (shared with Eastland County).
Top Medicare Advantage plans in Callahan County
Humana
4.5-star CMS rating
UnitedHealthcare
4-star CMS rating
Wellcare (Centene)
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 Callahan 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. Callahan 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
â–¸Hendrick Medical Center (Abilene)
â–¸Hendrick Medical Center South (Abilene)
Call each hospital's billing office directly — or use the carrier's
network tool on the right to search by hospital name.
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.
Major hospitals: Hendrick Medical Center (Abilene), Hendrick Medical Center South (Abilene)
Frequently Asked Questions
How many Medicare beneficiaries live in Callahan County?â–¾
About 3,838 Texans in Callahan County are enrolled in Medicare as of May 2026 CMS data. About 42% are in Medicare Advantage plans; the rest are in Original Medicare (with or without Medigap).
Who are the top Medicare carriers in Callahan County?â–¾
The largest carriers in Callahan County are Humana, UnitedHealthcare, Wellcare (Centene). 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 Callahan County?â–¾
Texas Health Information, Counseling and Advocacy Program (HICAP) (1-800-252-9240) provides free unbiased Medicare counseling. Major hospitals in the county include Hendrick Medical Center (Abilene), Hendrick Medical Center South (Abilene).
How many Medicare Advantage plans are available in Callahan County?â–¾
As of May 2026, about 8 Medicare Advantage plans are available to Callahan County residents, led by UnitedHealth Group, Inc., Humana Inc., Elevance Health, Inc., CVS Health Corporation. We compare all of them side by side at no cost.
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