Medicare Plans
Medicare Advantage vs Medigap San Antonio
Nearly every San Antonio senior we sit down with is weighing the same two options: a Medicare Advantage plan that bundles everything into one lower-premium private plan, or a Medicare Supplement (Medigap) policy that rides behind Original Medicare and covers what Medicare leaves unpaid.
Neither one wins on paper alone. The right pick depends on your doctors, your prescriptions, how often you leave South Texas, and how much monthly cost you're willing to trade for predictability.
- Two different ways to fill the gaps left by Original Medicare
- Network access at Methodist and Baptist facilities is the local tiebreaker
- Premium alone doesn't tell the whole cost story
- Free side-by-side comparison for Bexar County residents
Side by side
Medicare Advantage vs Medigap San Antonio: the basics
| Compare | Medicare SupplementMedigap, works alongside Original Medicare | Medicare AdvantagePart C, one bundled private plan | Part D Drug PlanDrug coverage you add on separately |
|---|---|---|---|
| What it covers | Your share of Part A and Part B bills, including deductibles, copays and coinsurance. | Hospital care, medical visits and usually drugs, all under one card. | Covers medications only. It does not touch medical bills. |
| Doctor networks | No network. Any provider nationwide who accepts Medicare works. | HMO or PPO network. Confirm Methodist Healthcare or Baptist Health System are in it. | Pharmacy network only. Preferred pharmacies charge you less. |
| Monthly premium | The highest premium of the three, on top of your Part B premium. | Frequently $0, plus whatever you pay for Part B. | A modest monthly premium, plus your Part B premium. |
| Costs when you use care | Close to nothing once you clear the Part B deductible on Plan G. | Copays for each visit and service, but capped by a yearly out-of-pocket limit. | A deductible plus tiered copays that follow the plan's drug list. |
| Prescription drugs | Not included. You need to pair it with a separate Part D plan. | Built into most San Antonio Advantage plans already. | This plan is the drug coverage. |
| Extras (dental, vision, hearing) | Not included. You would buy dental, vision or hearing on its own. | Usually included, though the dollar allowance swings widely by plan. | Not offered under this plan. |
| Health questions to enroll | None during your 6-month open enrollment window; underwriting kicks in after that. | None. Acceptance is guaranteed inside a valid enrollment window. | None. |
| Best if you | You travel often, see specialists regularly, and want predictable bills. | You are set with San Antonio providers and want a low premium with extras. | You picked Medigap or Original Medicare and still need drug coverage. |
| Read more | Medicare Supplement details | Medicare Advantage details | Part D Drug Plan details |
Medicare Supplement
Medigap, works alongside Original Medicare
- What it covers
- Your share of Part A and Part B bills, including deductibles, copays and coinsurance.
- Doctor networks
- No network. Any provider nationwide who accepts Medicare works.
- Monthly premium
- The highest premium of the three, on top of your Part B premium.
- Costs when you use care
- Close to nothing once you clear the Part B deductible on Plan G.
- Prescription drugs
- Not included. You need to pair it with a separate Part D plan.
- Extras (dental, vision, hearing)
- Not included. You would buy dental, vision or hearing on its own.
- Health questions to enroll
- None during your 6-month open enrollment window; underwriting kicks in after that.
- Best if you
- You travel often, see specialists regularly, and want predictable bills.
Medicare Advantage
Part C, one bundled private plan
- What it covers
- Hospital care, medical visits and usually drugs, all under one card.
- Doctor networks
- HMO or PPO network. Confirm Methodist Healthcare or Baptist Health System are in it.
- Monthly premium
- Frequently $0, plus whatever you pay for Part B.
- Costs when you use care
- Copays for each visit and service, but capped by a yearly out-of-pocket limit.
- Prescription drugs
- Built into most San Antonio Advantage plans already.
- Extras (dental, vision, hearing)
- Usually included, though the dollar allowance swings widely by plan.
- Health questions to enroll
- None. Acceptance is guaranteed inside a valid enrollment window.
- Best if you
- You are set with San Antonio providers and want a low premium with extras.
Part D Drug Plan
Drug coverage you add on separately
- What it covers
- Covers medications only. It does not touch medical bills.
- Doctor networks
- Pharmacy network only. Preferred pharmacies charge you less.
- Monthly premium
- A modest monthly premium, plus your Part B premium.
- Costs when you use care
- A deductible plus tiered copays that follow the plan's drug list.
- Prescription drugs
- This plan is the drug coverage.
- Extras (dental, vision, hearing)
- Not offered under this plan.
- Health questions to enroll
- None.
- Best if you
- You picked Medigap or Original Medicare and still need drug coverage.
Local networks
What this looks like at San Antonio hospitals
Medigap: no network to worry about
Any provider that takes Original Medicare works with your Medigap plan. That covers Methodist Healthcare, Baptist Health System, University Health, and specialists outside Texas with no referral needed.Advantage: the network is the plan
San Antonio Advantage plans differ on which hospital system they contract with. Some lean on Methodist, others on Baptist or CHRISTUS Santa Rosa. Networks get reset every January.Drug coverage works differently too
Advantage plans usually fold Part D into the same plan. With Medigap you buy a standalone Part D plan and can shop it separately each fall, often the cheaper route for pricier medications.
Choose Advantage if
When Medicare Advantage fits a San Antonio budget
- You want the lowest possible monthly premium, sometimes $0 on top of Part B
- Your doctors and hospital already sit inside the plan's San Antonio network
- Extras like dental, vision, hearing, or a gym benefit matter to you
- You're fine with copays as you use care plus a yearly out-of-pocket cap
- You rarely need care outside San Antonio or South Texas
Choose Medigap if
When a Medicare Supplement fits better
- You'd rather pay one predictable monthly premium than copays at every visit
- You see several specialists, or split time between San Antonio and another state
- You want to keep any doctor who takes Medicare, no referrals required
- You're managing an ongoing condition where per-visit copays would pile up fast
- You're inside your 6-month Medigap open enrollment window, so health questions don't apply
The timing detail that catches people off guard
You can join or switch an Advantage plan every fall during open enrollment. Moving back to Medigap later can mean health underwriting in Texas. Weigh that before you make your first choice.
Total cost
Compare a full year, not just the premium
A $0-premium Advantage plan still costs money. Add up realistic copays for primary care, specialists, imaging, and any planned procedure, then stack that against a year of Medigap premiums plus a standalone drug plan. For a healthy 66-year-old, Advantage math often comes out ahead. For someone managing a chronic condition with frequent specialist visits, Medigap frequently costs less across twelve months.
We run that math using your real drug list and doctors. Start with the Medicare checklist, or read the mistakes to avoid before you sign anything.
Not sure which side of Medicare Advantage vs Medigap you fall on?
Bring your doctors and prescriptions. We'll price both paths for a full year and show you the gap.