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 available64
Insurance companies10
Premium range$0 to $258
Median premium$0
$0-premium plans46 (72%)

Plans available in Williamson County

PlanInsurance companyPlan typeMonthly premiumCMS star rating
AARP Medicare Advantage CareFlex from UHC TX-47 (HMO-POS)UnitedHealthcareHMO-POS$04 out of 5 stars
AARP Medicare Advantage Essentials from UHC TX-12 (HMO-POS)UnitedHealthcareHMO-POS$04 out of 5 stars
AARP Medicare Advantage Extras from UHC TX-53 (HMO-POS)UnitedHealthcareHMO-POS$04 out of 5 stars
AARP Medicare Advantage Patriot No Rx TX-MA01 (HMO-POS)UnitedHealthcareHMO-POS$04 out of 5 stars
Aetna Medicare Eagle (PPO)Aetna MedicarePPO$03.5 out of 5 stars
Aetna Medicare Full Dual (HMO D-SNP)Aetna MedicareHMO D-SNP$03 out of 5 stars
Aetna Medicare Signature Extra (HMO)Aetna MedicareHMO$03 out of 5 stars
BSW SeniorCare Advantage Select (HMO-POS)Baylor Scott & White Health PlanHMO-POS$04.5 out of 5 stars
BSW SeniorCare Advantage Select Rx (HMO-POS)Baylor Scott & White Health PlanHMO-POS$04.5 out of 5 stars
DEVOTED C-SNP ENHANCED 023 TX (HMO C-SNP)Devoted HealthHMO C-SNP$04.5 out of 5 stars
DEVOTED C-SNP GIVEBACK EXTRAS 082 TX (HMO C-SNP)Devoted HealthHMO C-SNP$04.5 out of 5 stars
DEVOTED C-SNP PLUS 024 TX (HMO C-SNP)Devoted HealthHMO C-SNP$04.5 out of 5 stars
DEVOTED CHOICE GIVEBACK 001 TX (PPO)Devoted HealthPPO$03.5 out of 5 stars
DEVOTED CHOICE MA ONLY 006 TX (PPO)Devoted HealthPPO$03.5 out of 5 stars
DEVOTED CORE 014 TX (HMO)Devoted HealthHMO$04.5 out of 5 stars
DEVOTED DUAL 015 TX (HMO D-SNP)Devoted HealthHMO D-SNP$04.5 out of 5 stars
DEVOTED DUAL FULL 037 TX (HMO D-SNP)Devoted HealthHMO D-SNP$04.5 out of 5 stars
DEVOTED GIVEBACK 048 TX (HMO)Devoted HealthHMO$04.5 out of 5 stars
DEVOTED GIVEBACK EXTRAS 109 TX (HMO)Devoted HealthHMO$04.5 out of 5 stars
Humana Essentials Plus Giveback (PPO)HumanaPPO$04.5 out of 5 stars
Humana Gold Plus - Diabetes and Heart (HMO C-SNP)HumanaHMO C-SNP$04.5 out of 5 stars
Humana Gold Plus H0028-037 (HMO)HumanaHMO$04.5 out of 5 stars
Humana Gold Plus H4461-054 (HMO)HumanaHMO$04.5 out of 5 stars
Humana Gold Plus SNP-DE H0028-032 (HMO D-SNP)HumanaHMO D-SNP$04.5 out of 5 stars
Humana Gold Plus SNP-DE H4461-071 (HMO D-SNP)HumanaHMO D-SNP$04.5 out of 5 stars
Humana Together in Health (PPO I-SNP)HumanaPPO I-SNP$04 out of 5 stars
Humana Together in Health (PPO I-SNP)HumanaPPO I-SNP$04.5 out of 5 stars
Humana USAA Honor Giveback (PPO)HumanaPPO$04 out of 5 stars
Humana USAA Honor Giveback (PPO)HumanaPPO$04.5 out of 5 stars
HumanaChoice Giveback H5216-358 (PPO)HumanaPPO$04 out of 5 stars
HumanaChoice R4182-001 (Regional PPO)HumanaRegional PPO$03.5 out of 5 stars
ProCare Advantage (HMO-POS I-SNP)ProCare AdvantageHMO-POS I-SNP$0Not yet rated by CMS
UHC Complete Care TX-16 (HMO-POS C-SNP)UnitedHealthcareHMO-POS C-SNP$04 out of 5 stars
UHC Dual Advantage TX-V11 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$0Not yet rated by CMS
UHC Dual Complete TX-Q6 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$0Not yet rated by CMS
UHC Dual Complete TX-S001 (Regional PPO D-SNP)UnitedHealthcareRegional PPO D-SNP$03 out of 5 stars
UHC Dual Complete TX-S6 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$0Not yet rated by CMS
UHC Dual Complete TX-YL2 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$0Not yet rated by CMS
Wellcare Simple Value (HMO)WellcareHMO$03.5 out of 5 stars
Wellcare Superior HealthPlan Dual Liberty Sync (HMO D-SNP)WellcareHMO D-SNP$03.5 out of 5 stars
Wellcare Superior HealthPlan Dual Reserve Value (HMO D-SNP)WellcareHMO D-SNP$0Not yet rated by CMS
Wellpoint Dual Advantage (HMO D-SNP)WellpointHMO D-SNP$03.5 out of 5 stars
Wellpoint Dual Advantage Plus (HMO D-SNP)WellpointHMO D-SNP$03.5 out of 5 stars
Wellpoint Full Dual Advantage (HMO D-SNP)WellpointHMO D-SNP$03.5 out of 5 stars
Wellpoint Kidney Care (HMO-POS C-SNP)WellpointHMO-POS C-SNP$03 out of 5 stars
Wellpoint Medicare Advantage 2 (HMO-POS)WellpointHMO-POS$03 out of 5 stars
Texas Independence Health Plan, Inc. (HMO I-SNP)Texas Independence Health PlanHMO I-SNP$3.904.5 out of 5 stars
Provider Partners Texas Advantage Plan (HMO I-SNP)Provider Partners Health PlansHMO I-SNP$6.304 out of 5 stars
Texas Independence Community Plan (HMO I-SNP)Texas Independence Health PlanHMO I-SNP$6.304.5 out of 5 stars
UHC Nursing Home Plan TX-F001 (PPO I-SNP)UnitedHealthcarePPO I-SNP$6.305 out of 5 stars
HumanaChoice H5216-432 (PPO)HumanaPPO$134 out of 5 stars
HumanaChoice H7617-029 (PPO)HumanaPPO$134.5 out of 5 stars
AARP Medicare Advantage from UHC TX-46 (HMO-POS)UnitedHealthcareHMO-POS$314 out of 5 stars
BSW SeniorCare Advantage Basic (PPO)Baylor Scott & White Health PlanPPO$324 out of 5 stars
HumanaChoice R4182-004 (Regional PPO)HumanaRegional PPO$463.5 out of 5 stars
BSW SeniorCare Advantage Preferred (HMO-POS)Baylor Scott & White Health PlanHMO-POS$654.5 out of 5 stars
HumanaChoice R4182-003 (Regional PPO)HumanaRegional PPO$1003.5 out of 5 stars
UHC Complete Care TX-29 (Regional PPO C-SNP)UnitedHealthcareRegional PPO C-SNP$1003 out of 5 stars
HumanaChoice H0473-003 (PPO)HumanaPPO$1183 out of 5 stars
AARP Medicare Advantage from UHC TX-61 (Regional PPO)UnitedHealthcareRegional PPO$1383 out of 5 stars
BSW SeniorCare Advantage Platinum (PPO)Baylor Scott & White Health PlanPPO$1454 out of 5 stars
BSW SeniorCare Advantage Preferred Rx (HMO-POS)Baylor Scott & White Health PlanHMO-POS$1524.5 out of 5 stars
BSW SeniorCare Advantage Premium (HMO-POS)Baylor Scott & White Health PlanHMO-POS$1704.5 out of 5 stars
BSW SeniorCare Advantage Premium Rx (HMO-POS)Baylor Scott & White Health PlanHMO-POS$2584.5 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

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

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.

Researched and reviewed by , Licensed Insurance Agent, NPN 18910035, Senior Benefit Assistance. Medicare plan data on this page comes from CMS’s published CY2027 Landscape Source File (see source line). Last reviewed: October 26, 2026.

Talk with a licensed agent about the plans in your area: call 1-866-340-3441.