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Medicare plans in Williamson County, TX — 2027
What agents look up before working a county: plan count, carriers, $0-premium share, star distribution, MOOP range, the 65+ and 60–64 population, and what changed since last year.
In 2027, Williamson County, Texas has 74 Medicare plans (26 Medicare Advantage with drug coverage, 9 without, 10 standalone Part D, 29 Special Needs) from 11 carriers. 46 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $3,900.
What changed vs 2026
- 10 fewer plans than 2026
- Carriers exited: Blue Cross and Blue Shield of Texas
- $0-premium plans up 5
- Average star rating up 0.2
Market snapshot
- Residents 65 and older
- 86,908
- Residents 60–64, aging in over the next five years
- 34,203
- Medicare eligibles
- 105,947
- Medicare Advantage penetration
- 47.4%
- Plans per 1,000 residents 65+
- 0.9
Carriers by number of plans
- Humana — 20 plans
- UnitedHealthcare — 16 plans
- Devoted Health — 10 plans
- Baylor Scott & White Health Plan — 8 plans
- Wellcare — 5 plans
- Wellpoint — 5 plans
- Aetna Medicare — 4 plans
- HealthSpring — 2 plans
Plans sorted by CMS star rating, then premium
| Plan | Carrier | Category | Plan type | Monthly premium | Drug deductible | Out-of-pocket maximum | Star rating |
|---|---|---|---|---|---|---|---|
| UHC Nursing Home Plan TX-F001 (PPO I-SNP) (H0710-020-0) | UnitedHealthcare | SNP | PPO I-SNP | $6.30 | $700 | $9,850 | 5.0 |
| BSW SeniorCare Advantage Select (HMO-POS) (H8142-004-0) | Baylor Scott & White Health Plan | MA | HMO-POS | $0 | $6,400 | 4.5 | |
| BSW SeniorCare Advantage Select Rx (HMO-POS) (H8142-001-0) | Baylor Scott & White Health Plan | MA-PD | HMO-POS | $0 | $500 | $7,150 | 4.5 |
| DEVOTED C-SNP ENHANCED 023 TX (HMO C-SNP) (H7993-023-0) | Devoted Health | SNP | HMO C-SNP | $0 | $650 | $6,200 | 4.5 |
| DEVOTED C-SNP GIVEBACK EXTRAS 082 TX (HMO C-SNP) (H7993-082-0) | Devoted Health | SNP | HMO C-SNP | $0 | $700 | $6,700 | 4.5 |
| DEVOTED C-SNP PLUS 024 TX (HMO C-SNP) (H7993-024-0) | Devoted Health | SNP | HMO C-SNP | $0 | $650 | $9,850 | 4.5 |
| DEVOTED CORE 014 TX (HMO) (H7993-014-0) | Devoted Health | MA-PD | HMO | $0 | $461 | $5,400 | 4.5 |
| DEVOTED DUAL 015 TX (HMO D-SNP) (H7993-015-0) | Devoted Health | SNP | HMO D-SNP | $0 | $700 | $9,850 | 4.5 |
| DEVOTED DUAL FULL 037 TX (HMO D-SNP) (H7993-037-0) | Devoted Health | SNP | HMO D-SNP | $0 | $700 | $9,850 | 4.5 |
| DEVOTED GIVEBACK 048 TX (HMO) (H7993-048-0) | Devoted Health | MA-PD | HMO | $0 | $461 | $8,550 | 4.5 |
Showing 10 of 74 plans.
Nearby counties
Agent Tools
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About this data
Source: CMS Medicare Advantage/Part D Landscape files, plan year 2027; population: U.S. Census Bureau ACS 5-year 2024; MA penetration: CMS October 2026.
This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.