Medicare Plans in Williamson County, Texas — 2027
The short answer: 64 Medicare plans are available in Williamson County, Texas for 2027, offered by 10 insurance companies. Monthly premiums range from $0 to $258. 46 of these plans (72%) charge no monthly premium. The lowest in-network out-of-pocket maximum among Medicare Advantage plans in Williamson County is $3,900.
Plans available in Williamson County
| Plan | Insurance company | Plan type | Monthly premium | CMS star rating |
|---|---|---|---|---|
| AARP Medicare Advantage CareFlex from UHC TX-47 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | 4 out of 5 stars |
| AARP Medicare Advantage Essentials from UHC TX-12 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | 4 out of 5 stars |
| AARP Medicare Advantage Extras from UHC TX-53 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | 4 out of 5 stars |
| AARP Medicare Advantage Patriot No Rx TX-MA01 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | 4 out of 5 stars |
| Aetna Medicare Eagle (PPO) | Aetna Medicare | PPO | $0 | 3.5 out of 5 stars |
| Aetna Medicare Full Dual (HMO D-SNP) | Aetna Medicare | HMO D-SNP | $0 | 3 out of 5 stars |
| Aetna Medicare Signature Extra (HMO) | Aetna Medicare | HMO | $0 | 3 out of 5 stars |
| BSW SeniorCare Advantage Select (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $0 | 4.5 out of 5 stars |
| BSW SeniorCare Advantage Select Rx (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $0 | 4.5 out of 5 stars |
| DEVOTED C-SNP ENHANCED 023 TX (HMO C-SNP) | Devoted Health | HMO C-SNP | $0 | 4.5 out of 5 stars |
| DEVOTED C-SNP GIVEBACK EXTRAS 082 TX (HMO C-SNP) | Devoted Health | HMO C-SNP | $0 | 4.5 out of 5 stars |
| DEVOTED C-SNP PLUS 024 TX (HMO C-SNP) | Devoted Health | HMO C-SNP | $0 | 4.5 out of 5 stars |
| DEVOTED CHOICE GIVEBACK 001 TX (PPO) | Devoted Health | PPO | $0 | 3.5 out of 5 stars |
| DEVOTED CHOICE MA ONLY 006 TX (PPO) | Devoted Health | PPO | $0 | 3.5 out of 5 stars |
| DEVOTED CORE 014 TX (HMO) | Devoted Health | HMO | $0 | 4.5 out of 5 stars |
| DEVOTED DUAL 015 TX (HMO D-SNP) | Devoted Health | HMO D-SNP | $0 | 4.5 out of 5 stars |
| DEVOTED DUAL FULL 037 TX (HMO D-SNP) | Devoted Health | HMO D-SNP | $0 | 4.5 out of 5 stars |
| DEVOTED GIVEBACK 048 TX (HMO) | Devoted Health | HMO | $0 | 4.5 out of 5 stars |
| DEVOTED GIVEBACK EXTRAS 109 TX (HMO) | Devoted Health | HMO | $0 | 4.5 out of 5 stars |
| Humana Essentials Plus Giveback (PPO) | Humana | PPO | $0 | 4.5 out of 5 stars |
| Humana Gold Plus - Diabetes and Heart (HMO C-SNP) | Humana | HMO C-SNP | $0 | 4.5 out of 5 stars |
| Humana Gold Plus H0028-037 (HMO) | Humana | HMO | $0 | 4.5 out of 5 stars |
| Humana Gold Plus H4461-054 (HMO) | Humana | HMO | $0 | 4.5 out of 5 stars |
| Humana Gold Plus SNP-DE H0028-032 (HMO D-SNP) | Humana | HMO D-SNP | $0 | 4.5 out of 5 stars |
| Humana Gold Plus SNP-DE H4461-071 (HMO D-SNP) | Humana | HMO D-SNP | $0 | 4.5 out of 5 stars |
| Humana Together in Health (PPO I-SNP) | Humana | PPO I-SNP | $0 | 4 out of 5 stars |
| Humana Together in Health (PPO I-SNP) | Humana | PPO I-SNP | $0 | 4.5 out of 5 stars |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | $0 | 4 out of 5 stars |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | $0 | 4.5 out of 5 stars |
| HumanaChoice Giveback H5216-358 (PPO) | Humana | PPO | $0 | 4 out of 5 stars |
| HumanaChoice R4182-001 (Regional PPO) | Humana | Regional PPO | $0 | 3.5 out of 5 stars |
| ProCare Advantage (HMO-POS I-SNP) | ProCare Advantage | HMO-POS I-SNP | $0 | Not yet rated by CMS |
| UHC Complete Care TX-16 (HMO-POS C-SNP) | UnitedHealthcare | HMO-POS C-SNP | $0 | 4 out of 5 stars |
| UHC Dual Advantage TX-V11 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP | $0 | Not yet rated by CMS |
| UHC Dual Complete TX-Q6 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP | $0 | Not yet rated by CMS |
| UHC Dual Complete TX-S001 (Regional PPO D-SNP) | UnitedHealthcare | Regional PPO D-SNP | $0 | 3 out of 5 stars |
| UHC Dual Complete TX-S6 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP | $0 | Not yet rated by CMS |
| UHC Dual Complete TX-YL2 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP | $0 | Not yet rated by CMS |
| Wellcare Simple Value (HMO) | Wellcare | HMO | $0 | 3.5 out of 5 stars |
| Wellcare Superior HealthPlan Dual Liberty Sync (HMO D-SNP) | Wellcare | HMO D-SNP | $0 | 3.5 out of 5 stars |
| Wellcare Superior HealthPlan Dual Reserve Value (HMO D-SNP) | Wellcare | HMO D-SNP | $0 | Not yet rated by CMS |
| Wellpoint Dual Advantage (HMO D-SNP) | Wellpoint | HMO D-SNP | $0 | 3.5 out of 5 stars |
| Wellpoint Dual Advantage Plus (HMO D-SNP) | Wellpoint | HMO D-SNP | $0 | 3.5 out of 5 stars |
| Wellpoint Full Dual Advantage (HMO D-SNP) | Wellpoint | HMO D-SNP | $0 | 3.5 out of 5 stars |
| Wellpoint Kidney Care (HMO-POS C-SNP) | Wellpoint | HMO-POS C-SNP | $0 | 3 out of 5 stars |
| Wellpoint Medicare Advantage 2 (HMO-POS) | Wellpoint | HMO-POS | $0 | 3 out of 5 stars |
| Texas Independence Health Plan, Inc. (HMO I-SNP) | Texas Independence Health Plan | HMO I-SNP | $3.90 | 4.5 out of 5 stars |
| Provider Partners Texas Advantage Plan (HMO I-SNP) | Provider Partners Health Plans | HMO I-SNP | $6.30 | 4 out of 5 stars |
| Texas Independence Community Plan (HMO I-SNP) | Texas Independence Health Plan | HMO I-SNP | $6.30 | 4.5 out of 5 stars |
| UHC Nursing Home Plan TX-F001 (PPO I-SNP) | UnitedHealthcare | PPO I-SNP | $6.30 | 5 out of 5 stars |
| HumanaChoice H5216-432 (PPO) | Humana | PPO | $13 | 4 out of 5 stars |
| HumanaChoice H7617-029 (PPO) | Humana | PPO | $13 | 4.5 out of 5 stars |
| AARP Medicare Advantage from UHC TX-46 (HMO-POS) | UnitedHealthcare | HMO-POS | $31 | 4 out of 5 stars |
| BSW SeniorCare Advantage Basic (PPO) | Baylor Scott & White Health Plan | PPO | $32 | 4 out of 5 stars |
| HumanaChoice R4182-004 (Regional PPO) | Humana | Regional PPO | $46 | 3.5 out of 5 stars |
| BSW SeniorCare Advantage Preferred (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $65 | 4.5 out of 5 stars |
| HumanaChoice R4182-003 (Regional PPO) | Humana | Regional PPO | $100 | 3.5 out of 5 stars |
| UHC Complete Care TX-29 (Regional PPO C-SNP) | UnitedHealthcare | Regional PPO C-SNP | $100 | 3 out of 5 stars |
| HumanaChoice H0473-003 (PPO) | Humana | PPO | $118 | 3 out of 5 stars |
| AARP Medicare Advantage from UHC TX-61 (Regional PPO) | UnitedHealthcare | Regional PPO | $138 | 3 out of 5 stars |
| BSW SeniorCare Advantage Platinum (PPO) | Baylor Scott & White Health Plan | PPO | $145 | 4 out of 5 stars |
| BSW SeniorCare Advantage Preferred Rx (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $152 | 4.5 out of 5 stars |
| BSW SeniorCare Advantage Premium (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $170 | 4.5 out of 5 stars |
| BSW SeniorCare Advantage Premium Rx (HMO-POS) | Baylor Scott & White Health Plan | HMO-POS | $258 | 4.5 out of 5 stars |
Source: CMS CY2027 Landscape Source File, data as of October 18, 2026. Plan information is based on publicly available information from Medicare.gov. Premiums and plan availability are subject to change as contracts are finalized.
How Williamson County compares with Texas
Williamson County has 64 Medicare plans for 2027, compared with a Texas county average of about 37 plans. Across Texas, premiums run from $0 to $258 and 77% of plan listings charge $0. In Williamson County the median monthly premium is $0, and residents can choose from 10 insurance companies.
Insurance companies in Williamson County
- Humana — 17 plans
- UnitedHealthcare — 14 plans
- Devoted Health — 10 plans
- Baylor Scott & White Health Plan — 8 plans
- Wellpoint — 5 plans
- Wellcare — 3 plans in Williamson County — see statewide line-up
- Aetna — 3 plans in Williamson County — see statewide line-up
- Texas Independence Health Plan — 2 plans in Williamson County — see statewide line-up
- ProCare Advantage — 1 plan in Williamson County — see statewide line-up
- Provider Partners Health Plans — 1 plan in Williamson County — see statewide line-up
Special Needs Plans in Williamson County
29 of the plans in Williamson County are Special Needs Plans: 15 Dual Special Needs Plans (for people with both Medicare and Medicaid); 7 Chronic Condition Special Needs Plans; 7 Institutional Special Needs Plans. Eligibility for these plans is limited to the group each plan serves. See the Dual Special Needs Plans guide and the Medicare Savings Programs guide for how qualification works.
Frequently asked questions
- How many Medicare Advantage plans are available in Williamson County in 2027?
- 64 Medicare plans are available in Williamson County, Texas for 2027, offered by 10 insurance companies.
- What is the lowest Medicare Advantage premium in Williamson County?
- The lowest monthly premium in Williamson County is $0, charged by Humana Gold Plus SNP-DE H0028-032 (HMO D-SNP).
- How many $0-premium Medicare plans are in Williamson County?
- 46 of the 64 Medicare plans in Williamson County (72%) charge no monthly premium.
- What is the lowest out-of-pocket maximum in Williamson County?
- The lowest in-network out-of-pocket maximum among Medicare Advantage plans in Williamson County for 2027 is $3,900, on Aetna Medicare Signature Extra (HMO).
- Which insurance companies offer Medicare plans in Williamson County?
- The insurance companies offering Medicare plans in Williamson County for 2027 are: Humana (17 plans), UnitedHealthcare (14 plans), Devoted Health (10 plans), Baylor Scott & White Health Plan (8 plans), Wellpoint (5 plans), Wellcare (3 plans), Aetna (3 plans), Texas Independence Health Plan (2 plans), ProCare Advantage (1 plans), Provider Partners Health Plans (1 plans).
- Are there Special Needs Plans in Williamson County?
- Yes. 29 Special Needs Plans are offered in Williamson County for 2027: 15 Dual Special Needs Plans (for people with both Medicare and Medicaid); 7 Chronic Condition Special Needs Plans; 7 Institutional Special Needs Plans.
- What is the lowest Part D deductible in Williamson County?
- The lowest Part D deductible among plans with drug coverage in Williamson County for 2027 is $50.
Nearby counties
- Medicare plans in Bastrop County
- Medicare plans in Bell County
- Medicare plans in Burnet County
- Medicare plans in Lee County
- Medicare plans in Milam County
- Medicare plans in Travis County
Source: CMS CY2027 Landscape Source File, data as of October 18, 2026. Plan information is based on publicly available information from Medicare.gov. Premiums and plan availability are subject to change as contracts are finalized.
About star ratings: Medicare evaluates plans every year and rates them on a 5-star system based on quality and performance. Star ratings shown on this page are the official CY2027 ratings published by CMS. A plan with no rating shown has not yet been rated by CMS.
Talk with a licensed agent about the plans in your area: call 1-866-340-3441.