Medicare Plans in Castro County, Texas — 2027

The short answer: 21 Medicare plans are available in Castro County, Texas for 2027, offered by 4 insurance companies. Monthly premiums range from $0 to $138. 17 of these plans (81%) charge no monthly premium. The lowest in-network out-of-pocket maximum among Medicare Advantage plans in Castro County is $2,900.

Plans available21
Insurance companies4
Premium range$0 to $138
Median premium$0
$0-premium plans17 (81%)

Plans available in Castro County

PlanInsurance companyPlan typeMonthly premiumCMS star rating
AARP Medicare Advantage from UHC TX-0001 (PPO)UnitedHealthcarePPO$03 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
HumanaChoice R4182-001 (Regional PPO)HumanaRegional PPO$03.5 out of 5 stars
UHC Dual Advantage TX-V10 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$03.5 out of 5 stars
UHC Dual Complete TX-Q8 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$03.5 out of 5 stars
UHC Dual Complete TX-S001 (Regional PPO D-SNP)UnitedHealthcareRegional PPO D-SNP$03 out of 5 stars
UHC Dual Complete TX-S5 (HMO-POS D-SNP)UnitedHealthcareHMO-POS D-SNP$03.5 out of 5 stars
Wellcare Patriot Simple (HMO)WellcareHMO$03.5 out of 5 stars
Wellcare Simple (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 Aligned (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
HumanaChoice R4182-004 (Regional PPO)HumanaRegional PPO$463.5 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
AARP Medicare Advantage from UHC TX-61 (Regional PPO)UnitedHealthcareRegional PPO$1383 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 Castro County compares with Texas

Castro County has 21 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 Castro County the median monthly premium is $0, and residents can choose from 4 insurance companies.

Insurance companies in Castro County

Special Needs Plans in Castro County

13 of the plans in Castro County are Special Needs Plans: 9 Dual Special Needs Plans (for people with both Medicare and Medicaid); 2 Chronic Condition Special Needs Plans; 2 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 Castro County in 2027?
21 Medicare plans are available in Castro County, Texas for 2027, offered by 4 insurance companies.
What is the lowest Medicare Advantage premium in Castro County?
The lowest monthly premium in Castro County is $0, charged by Wellcare Superior HealthPlan Dual Reserve Value (HMO D-SNP).
How many $0-premium Medicare plans are in Castro County?
17 of the 21 Medicare plans in Castro County (81%) charge no monthly premium.
What is the lowest out-of-pocket maximum in Castro County?
The lowest in-network out-of-pocket maximum among Medicare Advantage plans in Castro County for 2027 is $2,900, on Wellpoint Kidney Care (HMO-POS C-SNP).
Which insurance companies offer Medicare plans in Castro County?
The insurance companies offering Medicare plans in Castro County for 2027 are: UnitedHealthcare (7 plans), Wellpoint (5 plans), Humana (5 plans), Wellcare (4 plans).
Are there Special Needs Plans in Castro County?
Yes. 13 Special Needs Plans are offered in Castro County for 2027: 9 Dual Special Needs Plans (for people with both Medicare and Medicaid); 2 Chronic Condition Special Needs Plans; 2 Institutional Special Needs Plans.
What is the lowest Part D deductible in Castro County?
The lowest Part D deductible among plans with drug coverage in Castro County for 2027 is $75.

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.