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Medicare and Healthcare in Austin & San Antonio

Hospitals near Sun City Texas and Kissing Tree, Medicare plan availability in Williamson and Hays Counties, and the questions 55+ buyers should answer before choosing a community

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Healthcare Infrastructure Near the Key Communities

St. David's Georgetown Medical Center

Primary hospital serving Georgetown / Sun City Texas area. Full emergency, medical/surgical, cardiac, orthopedic. Part of St. David's HealthCare (HCA-affiliated).

Round Rock Medical Center

15 min from Georgetown. St. David's system hospital with broader specialty coverage including neurology and complex cardiac. The nearest full-service hospital for many Sun City residents.

Dell Seton Medical Center at UT (Austin)

40–50 min from Georgetown. Academic medical center affiliated with UT Austin. Level I trauma, complex oncology, cardiac surgery. The primary regional referral center for Austin metro.

Ascension Seton (Austin)

Multiple Austin locations. Broad specialty coverage, strong cardiac and orthopedic programs. 40–50 min from Georgetown.

CHRISTUS Santa Rosa (San Marcos / Kissing Tree)

Community hospital serving San Marcos. Routine and emergency care. Part of CHRISTUS Health system. For complex care, Kissing Tree residents typically drive to Austin or San Antonio.

South Texas Medical Center (San Antonio)

50–60 min from Kissing Tree. One of the largest medical complexes in the country — UT Health, Methodist, Baptist, and more. The regional referral center for complex specialist care south of Austin.

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Medicare in Williamson and Hays Counties

Both Williamson County (Georgetown / Sun City Texas) and Hays County (San Marcos / Kissing Tree) have competitive Medicare markets. Major insurers including UnitedHealthcare, Humana, Aetna, and Blue Cross Blue Shield of Texas offer both Medicare Advantage (Part C) and Medigap (Supplement) plans in both counties. The large 55+ populations in both areas ensure strong physician network participation.

Medicare Advantage Considerations

Medicare Advantage plans in Texas typically include dental, vision, and fitness benefits but restrict care to network providers. Before enrolling, verify that your preferred Austin and San Antonio hospitals and specialists are in-network for any plan you are considering. If you want access to Dell Seton Medical Center or the South Texas Medical Center, confirm in-network status explicitly — do not assume.

Medicare Supplement (Medigap) Considerations

Medigap Plan G is the most commonly purchased Supplement nationally — it covers most out-of-pocket costs after Part A deductibles and offers broad provider access including out-of-state care for buyers who travel frequently or maintain ties to their previous state's medical community. For buyers with complex existing conditions who need specialist access across multiple systems, Medigap generally provides more flexibility than Advantage.

Research Before You Move — 5 Steps

  1. Contact your current specialists and ask whether they can continue seeing you after a Texas relocation — some academic centers accommodate out-of-state patients, most private practices do not
  2. Identify replacement cardiologist, orthopedist, oncologist, or neurologist (whichever is relevant) in the Austin or San Antonio metro before you move
  3. Research Medicare plan availability in zip codes 78628 (Georgetown), 78633 (Georgetown/Sun City), and 78666 (San Marcos) on Medicare.gov
  4. If you are under 65, research Texas ACA marketplace options — Texas did not expand Medicaid, and individual market plan quality varies by county
  5. For Kissing Tree buyers: model both Austin-based and San Antonio-based care networks — your position between both cities means you can potentially access both systems

Healthcare Questions About Austin or San Antonio?

We can help you research hospital networks and Medicare plan options for either county before you commit to a community.

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