Medicare in San Antonio: Your Complete Guide to Plans & Providers (2026)

San Antonio is home to over 350,000 Medicare beneficiaries across Bexar County and the surrounding area, making it one of the largest Medicare markets in Texas. Known as Military City, USA, San Antonio has a unique Medicare landscape shaped by its massive military and veteran population, world-class hospital systems, and a competitive insurance market that gives seniors plenty of plan choices.

Whether you’re a military retiree coordinating TRICARE for Life with Medicare, a longtime San Antonio resident turning 65, or someone who recently relocated to the Alamo City, this comprehensive guide will walk you through everything you need to know about Medicare in San Antonio for 2026 — from the top-rated plans and major hospital systems to free counseling resources and enrollment tips.

San Antonio’s Medicare Landscape: Key Statistics for 2026

Here’s a snapshot of Medicare in the San Antonio metropolitan area:

• Medicare beneficiaries in Bexar County: Over 300,000 (with an additional 50,000+ in surrounding counties including Comal, Guadalupe, Kendall, and Medina)
• Medicare Advantage penetration rate: Approximately 55%, above the national average of 51%
• Number of Medicare Advantage plans available: 60+ plans from 12+ insurance carriers
• Average Medicare Advantage premium: $0–$39/month for HMO plans; $20–$79/month for PPO plans
• Part B premium (2026): $185.00/month (standard nationwide amount)
• Part D average premium in San Antonio: $30–$50/month depending on formulary and coverage level
• Military/veteran Medicare beneficiaries: Estimated 80,000+ in the greater San Antonio area

San Antonio’s large beneficiary population and competitive market mean you’ll find many $0-premium Medicare Advantage plans with strong benefits — but understanding your options is key to finding the right fit.

Top Medicare Advantage Plans in San Antonio for 2026

San Antonio is served by all major national Medicare Advantage carriers as well as several regional plans. Here are the top-rated options for 2026:

1. Humana Gold Plus HMO (H0028-044)

Humana is one of the dominant Medicare Advantage providers in San Antonio, offering extensive coverage across Bexar County and all surrounding areas.

• Monthly premium: $0
• Star rating: ★★★★½ (4.5 out of 5)
• In-network deductible: $0
• Maximum out-of-pocket: $4,200
• Primary care copay: $0
• Specialist copay: $30
• Key extras: Dental ($2,000 annual max), vision (annual exam + $200 eyewear allowance), hearing aids ($1,500/year), OTC allowance ($75/quarter), SilverSneakers fitness
• Network: Includes Methodist Healthcare, Baptist Health System, Christus Santa Rosa, and most major physician groups in the area

Humana’s deep San Antonio provider network and generous extra benefits make it a consistently popular choice among local beneficiaries.

2. Aetna CVS Health Medicare Advantage (PPO)

Aetna’s PPO plan offers flexibility for San Antonio beneficiaries who want the option to see out-of-network providers.

• Monthly premium: $0
• Star rating: ★★★★ (4.0 out of 5)
• In-network deductible: $0
• Maximum out-of-pocket: $5,900 in-network / $8,300 combined
• Primary care copay: $0
• Specialist copay: $40
• Key extras: Dental ($2,500 annual max including dentures), vision ($300 eyewear allowance), hearing aids ($2,500/year), $100/quarter OTC and grocery allowance, CVS pharmacy benefits
• Network: Broad PPO network includes University Health, Methodist, Baptist, and providers across South Texas

The PPO structure is particularly valuable for San Antonio residents who travel or have specialists outside the metro area.

3. UnitedHealthcare AARP Medicare Advantage (HMO-POS)

UnitedHealthcare offers competitive plans in San Antonio with strong brand recognition and national support.

• Monthly premium: $0–$22 (varies by specific plan)
• Star rating: ★★★★ (4.0 out of 5)
• In-network deductible: $0
• Maximum out-of-pocket: $4,900
• Primary care copay: $0
• Specialist copay: $35
• Key extras: Dental (preventive + comprehensive), vision (annual exam + $250 eyewear), hearing aid benefit, Renew Active fitness program, 24/7 nurse hotline
• Network: Includes most major San Antonio hospital systems and a wide range of physician groups

4. Cigna Preferred Medicare HMO

Cigna has expanded its presence in San Antonio and offers a competitive HMO plan for 2026.

• Monthly premium: $0
• Star rating: ★★★★ (4.0 out of 5)
• In-network deductible: $0
• Maximum out-of-pocket: $4,500
• Primary care copay: $0
• Specialist copay: $30
• Key extras: Dental ($1,500 annual max), vision ($200 eyewear), hearing aids ($1,000/year), $60/quarter OTC allowance, telehealth included
• Network: Growing San Antonio network including Methodist Healthcare and many independent physician practices

5. WellMed Medicare Advantage (Conviva/WellMed Network)

WellMed is a San Antonio-based healthcare company (now part of Optum/UnitedHealth Group) that offers Medicare Advantage plans specifically designed around its own clinics and physician network.

• Monthly premium: $0
• Star rating: ★★★★½ (4.5 out of 5)
• In-network deductible: $0
• Maximum out-of-pocket: $3,900
• Primary care copay: $0
• Specialist copay: $25
• Key extras: Dental, vision, hearing, wellness programs, transportation to appointments, dedicated care coordination
• Network: WellMed/Conviva clinics throughout San Antonio with a focus on senior primary care

WellMed’s value-based care model and dedicated senior clinics make it a strong choice for beneficiaries who want coordinated, senior-focused primary care.

Choosing the Right Plan

When comparing San Antonio Medicare Advantage plans, consider these local factors:

• Your doctors: Verify that your current physicians are in-network before switching plans
• Hospital preferences: If you prefer a specific hospital system, make sure it’s covered
• Prescription drugs: Compare formularies carefully — drug coverage varies significantly between plans
• Military/VA coordination: If you use VA services, understand how Medicare Advantage interacts with VA care (see the military section below)
• Travel needs: If you spend part of the year outside San Antonio, a PPO may offer more flexibility

Major Hospital Systems in San Antonio

San Antonio has a robust healthcare infrastructure with several major hospital systems, all of which accept Medicare. Here’s what you need to know about each:

University Health

University Health is Bexar County’s public hospital system and the primary teaching hospital for UT Health San Antonio (formerly the UT Health Science Center).

• Flagship facility: University Hospital, a Level I Trauma Center
• Specialty strengths: Trauma care, transplant services, burn care, cancer treatment (Mays Cancer Center, a National Cancer Institute-designated center), and high-risk obstetrics
• Medicare acceptance: Accepts Medicare and Medicare Advantage plans
• Locations: University Hospital, University Health clinics throughout Bexar County, Robert B. Green Campus downtown
• Why it matters for Medicare patients: As an academic medical center, University Health offers access to cutting-edge treatments, clinical trials, and subspecialty care that may not be available elsewhere in the region. The NCI-designated cancer center is particularly valuable for Medicare beneficiaries facing complex cancer diagnoses.

Methodist Healthcare

Methodist Healthcare is the largest private hospital system in San Antonio, part of HCA Healthcare.

• Facilities: Methodist Hospital (flagship), Methodist Children’s Hospital, Methodist Stone Oak, Methodist Specialty and Transplant, Methodist Texsan, Methodist Metropolitan, and several other locations
• Specialty strengths: Heart and vascular care, transplant surgery, orthopedics, neurosciences, women’s health
• Medicare acceptance: Accepts Medicare and most Medicare Advantage plans
• Locations: Multiple campuses across San Antonio — North Side, Downtown, Stone Oak, South Side
• Why it matters for Medicare patients: Methodist’s extensive network of facilities means you’re likely to find a convenient location regardless of where you live in San Antonio. Their transplant and cardiac programs are nationally recognized.

Baptist Health System

Baptist Health System operates multiple hospitals and clinics across San Antonio, part of Tenet Healthcare.

• Facilities: Baptist Medical Center (downtown), Mission Trail Baptist Hospital, North Central Baptist Hospital, Northeast Baptist Hospital, St. Luke’s Baptist Hospital, and Resolution Point
• Specialty strengths: Orthopedics, cardiac care, emergency medicine, behavioral health, rehabilitation
• Medicare acceptance: Accepts Medicare and most Medicare Advantage plans
• Locations: Campuses spread across San Antonio with strong Northeast and Downtown presence
• Why it matters for Medicare patients: Baptist’s multiple locations and specialties provide good geographic coverage. Their rehabilitation and behavioral health services are particularly relevant for the senior population.

Christus Santa Rosa Health System

Christus Santa Rosa is a faith-based health system with deep roots in the San Antonio community.

• Facilities: Christus Santa Rosa Hospital – Medical Center, Christus Santa Rosa Hospital – New Braunfels, Christus Santa Rosa Hospital – Westover Hills, and Children’s Hospital of San Antonio
• Specialty strengths: Community health, maternal/child health, emergency care
• Medicare acceptance: Accepts Medicare and most Medicare Advantage plans
• Why it matters for Medicare patients: Christus Santa Rosa’s community-focused approach and multiple locations offer accessible care, particularly on the West Side and in New Braunfels for beneficiaries in Comal County.

Brooke Army Medical Center (BAMC) & VA Healthcare

San Antonio’s military healthcare presence is unmatched, and this significantly impacts Medicare beneficiaries in the area.

Brooke Army Medical Center (BAMC)

• Located at Joint Base San Antonio–Fort Sam Houston
• One of the Department of Defense’s largest medical facilities
• Available to military retirees with TRICARE for Life (requires Medicare enrollment)
• Offers comprehensive medical, surgical, and specialty care

South Texas Veterans Health Care System (STVHCS)

• Audie L. Murphy Memorial VA Hospital (main campus)
• Multiple outpatient clinics across San Antonio and South Texas
• Serves over 100,000 enrolled veterans
• Available to eligible veterans regardless of Medicare status
• Provides primary care, specialty care, mental health services, and long-term care

Key considerations for military/veteran Medicare beneficiaries:

• VA care is separate from Medicare — you can use both, but Medicare does not pay for services at VA facilities
• TRICARE for Life requires Medicare Part A and Part B enrollment
• Using VA services can help reduce your out-of-pocket Medicare costs for non-VA care

Military City, USA: Medicare & Military Benefits

San Antonio is home to Joint Base San Antonio (encompassing Fort Sam Houston, Lackland AFB, and Randolph AFB), the Defense Health Agency, and thousands of military retirees. If you’re a military retiree or veteran in San Antonio, understanding how Medicare interacts with your military benefits is crucial.

TRICARE for Life & Medicare

If you’re a military retiree (or the spouse/dependent of one) who is eligible for TRICARE, here’s what happens when you turn 65:

1. You must enroll in Medicare Part A and Part B to keep TRICARE for Life. If you don’t enroll in Part B, you lose TRICARE coverage.
2. TRICARE for Life becomes your secondary insurance, paying most costs that Medicare doesn’t cover — including the Part B deductible and most copays.
3. You can use any Medicare-participating provider. Medicare pays first, then TRICARE for Life picks up the remainder.
4. You can still use military treatment facilities (MTFs) like BAMC on a space-available basis.
5. You do NOT need a Medicare Supplement (Medigap) policy — TRICARE for Life essentially serves the same function, and at no additional premium beyond your Part B premium.

Should Military Retirees in San Antonio Get Medicare Advantage?

This is one of the most common questions from San Antonio’s military retiree community. Here’s the key consideration:

• If you enroll in a Medicare Advantage plan, TRICARE for Life becomes your secondary payer only after the Medicare Advantage plan pays. You may face more restrictions (network requirements, prior authorizations) than you would with Original Medicare + TRICARE for Life.
• Most military retirees are better served by Original Medicare + TRICARE for Life, which gives you the broadest access to providers with the lowest out-of-pocket costs.
• Exception: If you want the additional benefits that Medicare Advantage offers (dental, vision, hearing, OTC allowances) and are willing to use in-network providers, an MA plan could add value. Just research carefully.

VA Healthcare & Medicare

For veterans enrolled in VA healthcare:

• You can use both VA and Medicare services. Many San Antonio veterans use the VA for routine care and medications (often at lower cost) while keeping Medicare for non-VA providers.
• Medicare Advantage plans generally do not cover care at VA facilities. If you rely heavily on VA care, Original Medicare may be a better choice since it doesn’t restrict your provider choices.
• VA prescription drug coverage counts as “creditable coverage” for Medicare Part D purposes, so you won’t face a late enrollment penalty if you decide to add Part D later.

Military Medicare Resources in San Antonio

• TRICARE Service Center at BAMC: Assistance with TRICARE for Life and Medicare coordination. Phone: 210-916-9900
• Beneficiary Counseling and Assistance Coordinator (BCAC): Available at BAMC to help military retirees navigate Medicare transitions
• Veterans Benefits Administration Regional Office: Located downtown, provides benefits counseling. Phone: 1-800-827-1000
• Wounded Warrior Project San Antonio: Additional support resources for injured veterans

Free Medicare Counseling & SHIP in San Antonio

Texas SHIP (State Health Insurance Assistance Program)

SHIP provides free, unbiased Medicare counseling through trained volunteers. Unlike insurance agents, SHIP counselors don’t sell plans — they help you understand your options objectively.

Alamo Area Agency on Aging (AAAA)

• Phone: 210-477-3275
• Address: 8700 Tesoro Drive, Suite 160, San Antonio, TX 78217
• Services: One-on-one counseling, plan comparison assistance, enrollment help, Medicare fraud education
• Languages: English and Spanish counseling available
• Hours: Monday–Friday, 8:00 AM – 5:00 PM (extended hours during Open Enrollment)
• Cost: Completely free

Additional Counseling Resources

• San Antonio Medicare enrollment events: During Open Enrollment (October 15–December 7), free enrollment events are held at senior centers, libraries, and community centers throughout San Antonio. Check the AAAA website for schedules.
• Social Security Administration offices: San Antonio has multiple SSA offices where you can apply for Medicare in person:
  • Downtown: 727 E. César E. Chávez Blvd.
  • Northeast: 6552 Babcock Road
  • South: 2518 SW Military Drive
• Medicare.gov: Use the online Plan Finder tool at medicare.gov to compare plans available at your ZIP code.

Medicare Enrollment: How to Sign Up in San Antonio

Initial Enrollment Period (IEP)

If you’re turning 65, your Initial Enrollment Period is a 7-month window: 3 months before your 65th birthday month, the birthday month itself, and 3 months after.

Ways to enroll in San Antonio:

1. Online: Visit ssa.gov — the fastest method
2. By phone: Call Social Security at 1-800-772-1213 (TTY: 1-800-325-0778)
3. In person: Visit a San Antonio Social Security office (see addresses above)
4. Through your employer: If you’re still working at 65 with employer coverage, you may qualify for a Special Enrollment Period when that coverage ends

Special Enrollment Period (SEP)

You may qualify for a Special Enrollment Period if you:

• Are losing employer or union coverage
• Have recently moved to San Antonio from another area
• Qualify for Extra Help (Low-Income Subsidy)
• Have certain chronic conditions qualifying for a C-SNP
• Are a dual-eligible beneficiary (Medicare and Medicaid)

Annual Open Enrollment (October 15 – December 7)

During Open Enrollment, any Medicare beneficiary can:

• Switch from Original Medicare to a Medicare Advantage plan (or vice versa)
• Change from one Medicare Advantage plan to another
• Join, drop, or switch Part D prescription drug plans
• Changes take effect January 1 of the following year

Medicare Advantage Open Enrollment (January 1 – March 31)

If you’re already enrolled in a Medicare Advantage plan, you can make one change during this period:

• Switch to a different Medicare Advantage plan
• Drop your MA plan and return to Original Medicare (and add a Part D plan)

Medicare Costs in San Antonio: What to Expect in 2026

Understanding Medicare costs helps you budget effectively. Here’s what San Antonio beneficiaries typically pay:

Standard Medicare Costs (2026)

Medicare Advantage Cost Comparison

Most San Antonio Medicare Advantage plans significantly reduce out-of-pocket costs compared to Original Medicare alone:

Extra Help (Low-Income Subsidy) in San Antonio

San Antonio has a significant population of Medicare beneficiaries who qualify for Extra Help with prescription drug costs. If your annual income is below approximately $22,590 (individual) or $30,660 (married couple) for 2026, and your resources are limited, you may qualify for:

• Little or no Part D premium
• Low copays for prescriptions ($0–$11.20 per prescription)
• No coverage gap (“donut hole”)

Apply for Extra Help through Social Security at ssa.gov/extrahelp or call 1-800-772-1213.

Medicare Savings Programs (MSPs) in Texas

Texas offers Medicare Savings Programs through the Health and Human Services Commission (HHSC) that can help pay your Part B premium and other costs:

• Qualified Medicare Beneficiary (QMB): Pays Part A and Part B premiums, deductibles, and coinsurance
• Specified Low-Income Medicare Beneficiary (SLMB): Pays Part B premium
• Qualifying Individual (QI): Pays Part B premium (limited funds, first-come basis)

Apply at your local HHSC office or call 2-1-1 for assistance.

San Antonio-Specific Medicare Tips

1. Watch for Bilingual Resources

San Antonio’s large Hispanic/Latino population means many providers, counselors, and insurance agents offer Spanish-language services. When comparing plans, ask about Spanish-speaking customer service and bilingual provider directories.

2. Consider the Heat

San Antonio’s extreme summer heat can be a health risk for seniors. Look for Medicare Advantage plans that include:

• Transportation benefits to get to appointments without waiting outdoors
• Telehealth options that reduce the need to travel
• Wellness and fitness programs (like SilverSneakers) with air-conditioned facilities

3. Plan for Growth

San Antonio is one of the fastest-growing cities in the U.S., and its healthcare infrastructure is expanding rapidly. New hospitals, clinics, and urgent care centers are opening regularly — which means provider networks are evolving. Review your plan’s network annually during Open Enrollment.

4. Military Community Resources

Take advantage of San Antonio’s extensive military support infrastructure. Organizations like the Military Health System, Wounded Warrior Project, and Veterans of Foreign Wars (VFW) posts throughout the city offer additional resources and community support.

5. Check for Dual-Eligible Special Needs Plans (D-SNPs)

If you qualify for both Medicare and Texas Medicaid, San Antonio has several Dual-Eligible Special Needs Plans that coordinate both benefits. These plans often include enhanced care coordination, transportation, and additional benefits tailored to beneficiaries with complex needs.

Frequently Asked Questions About Medicare in San Antonio

How do I find a Medicare doctor in San Antonio?

Use the Medicare Physician Compare tool at medicare.gov/care-compare to search for doctors in San Antonio who accept Medicare. You can also call your Medicare Advantage plan’s member services for a provider directory, or contact the Alamo Area Agency on Aging at 210-477-3275 for help finding providers.

Is Medicare the same in San Antonio as the rest of Texas?

Original Medicare (Parts A and B) is the same nationwide. However, Medicare Advantage plans, Part D plans, and Medigap policies vary by location. San Antonio (Bexar County) has its own set of available plans with specific networks, premiums, and benefits that differ from other Texas cities. That’s why it’s important to compare plans specific to your ZIP code.

Can I keep my San Antonio doctor if I switch Medicare plans?

Not necessarily. If you switch to a different Medicare Advantage plan, your doctor may not be in the new plan’s network. Always verify your preferred providers are in-network before making a change. With Original Medicare, you can see any doctor who accepts Medicare assignment.

What if I’m new to San Antonio — can I change my Medicare plan?

Yes. If you’ve recently moved to San Antonio from an area where your current plan isn’t available, you qualify for a Special Enrollment Period (SEP). You have up to 63 days after your move to enroll in a new plan available in Bexar County.

How does Medicare work with my VA benefits in San Antonio?

You can use both Medicare and VA benefits. The VA covers care at VA facilities, while Medicare covers care at non-VA providers. Medicare does not pay for VA care, and the VA does not pay for care at non-VA facilities (with some exceptions through VA Community Care). Many San Antonio veterans strategically use both systems to minimize their healthcare costs.

Are there Medicare Advantage plans in San Antonio with dental implant coverage?

Some San Antonio Medicare Advantage plans include comprehensive dental benefits that may cover implants, though coverage varies. Plans from Humana, Aetna, and UnitedHealthcare offer dental allowances ranging from $1,500 to $3,000 annually. Check each plan’s dental benefit details carefully, as many plans cover preventive and basic dental services but may limit coverage for major procedures like implants.

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• Complete Guide to Medicare in Texas
• Medicare Enrollment in Texas: Dates, Deadlines & How to Sign Up
• Medicare vs. Medicaid in Texas: Understanding the Differences
• Medicare Supplement Plans in Texas: Comparing Medigap Options
• Medicare in Houston: Your Complete Guide to Plans & Providers (2026)
• Medicare in Dallas-Fort Worth: Plans, Providers & Enrollment Guide (2026)

This guide is for informational purposes only and is updated for the 2026 plan year. Medicare plan availability, benefits, and costs change annually. Always verify current plan details at medicare.gov or by calling 1-800-MEDICARE (1-800-633-4227). For personalized assistance in San Antonio, contact the Alamo Area Agency on Aging SHIP program at 210-477-3275.