Medicare Plans
Medicare Advantage vs Supplement Houston: Which One Fits You
Nearly every Houston senior we meet is weighing the same two paths: a Medicare Advantage plan that bundles everything into one low-premium private plan, or a Medicare Supplement policy that sits behind Original Medicare and pays what Medicare leaves unpaid.
Neither one wins in the abstract. The right choice depends on your doctors, your prescriptions, how much you travel, 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 near the Texas Medical Center is often the deciding factor
- Premiums are only half of the real cost picture
- Free side-by-side comparison for Harris County residents
Side by side
How the two paths actually differ
| Compare | Medicare SupplementMedigap · pairs with Original Medicare | Medicare AdvantagePart C · all-in-one private plan | Part D Drug PlanPrescriptions only · add-on |
|---|---|---|---|
| What it covers | Your share of Part A and Part B costs: deductibles, copays and coinsurance. | Hospital, medical and usually drugs, bundled into one plan with one card. | Prescription medications only. Nothing medical. |
| Doctor networks | None. Any provider in the U.S. who accepts Medicare. | HMO or PPO network. Verify Houston Methodist, Memorial Hermann or Kelsey-Seybold. | Pharmacy network only. Preferred pharmacies cost less. |
| Monthly premium | Highest of the three, plus your Part B premium. | Often $0, plus your Part B premium. | Low monthly premium, plus your Part B premium. |
| Costs when you use care | Little to nothing after the Part B deductible on Plan G. | Copays per visit and per service, capped by an annual out-of-pocket maximum. | Deductible and tiered copays based on the plan's drug list. |
| Prescription drugs | Not included. You add a separate Part D plan. | Included in most Houston plans. | This is the drug coverage. |
| Extras (dental, vision, hearing) | Not included. Buy standalone if you want them. | Commonly included, with allowances that vary a lot by plan. | Not included. |
| Health questions to enroll | None during your 6-month open enrollment; underwriting applies later. | None. Guaranteed acceptance during a valid enrollment period. | None. |
| Best if you | Travel, see specialists often, and want predictable bills. | Are settled with Houston providers and want low premiums plus extras. | Chose Medigap or Original Medicare and need drug coverage. |
| Read more | Medicare Supplement details | Medicare Advantage details | Part D Drug Plan details |
Medicare Supplement
Medigap · pairs with Original Medicare
- What it covers
- Your share of Part A and Part B costs: deductibles, copays and coinsurance.
- Doctor networks
- None. Any provider in the U.S. who accepts Medicare.
- Monthly premium
- Highest of the three, plus your Part B premium.
- Costs when you use care
- Little to nothing after the Part B deductible on Plan G.
- Prescription drugs
- Not included. You add a separate Part D plan.
- Extras (dental, vision, hearing)
- Not included. Buy standalone if you want them.
- Health questions to enroll
- None during your 6-month open enrollment; underwriting applies later.
- Best if you
- Travel, see specialists often, and want predictable bills.
Medicare Advantage
Part C · all-in-one private plan
- What it covers
- Hospital, medical and usually drugs, bundled into one plan with one card.
- Doctor networks
- HMO or PPO network. Verify Houston Methodist, Memorial Hermann or Kelsey-Seybold.
- Monthly premium
- Often $0, plus your Part B premium.
- Costs when you use care
- Copays per visit and per service, capped by an annual out-of-pocket maximum.
- Prescription drugs
- Included in most Houston plans.
- Extras (dental, vision, hearing)
- Commonly included, with allowances that vary a lot by plan.
- Health questions to enroll
- None. Guaranteed acceptance during a valid enrollment period.
- Best if you
- Are settled with Houston providers and want low premiums plus extras.
Part D Drug Plan
Prescriptions only · add-on
- What it covers
- Prescription medications only. Nothing medical.
- Doctor networks
- Pharmacy network only. Preferred pharmacies cost less.
- Monthly premium
- Low monthly premium, plus your Part B premium.
- Costs when you use care
- Deductible and tiered copays based on the plan's drug list.
- Prescription drugs
- This is the drug coverage.
- Extras (dental, vision, hearing)
- Not included.
- Health questions to enroll
- None.
- Best if you
- Chose Medigap or Original Medicare and need drug coverage.
Local networks
What this looks like at Houston hospitals
Supplement plans: no network at all
If a provider accepts Original Medicare, your Supplement plan follows along. That covers Houston Methodist, Memorial Hermann, and specialists across Harris County or out of state without a referral.Advantage: the network is the plan
Houston Advantage plans differ on which hospital system is in network. Some contract broadly across Texas Medical Center campuses, others lean toward a single system. Networks get re-confirmed every January.Drug coverage works differently
Advantage plans usually build Part D in from the start. With a Supplement plan you buy standalone Part D and can shop it separately each fall, often the better move for expensive medications.
Choose Advantage if
When a Medicare Advantage plan makes sense
- You want the lowest possible monthly premium, often $0 beyond Part B
- Your doctors and preferred hospital already sit inside the plan's Houston network
- Dental, vision, hearing and gym membership perks matter to you
- You're fine with copays as you use care, backed by an annual out-of-pocket cap
- You rarely need care outside the Houston area
Choose Supplement if
When a Medicare Supplement plan makes sense
- You'd rather pay one predictable monthly premium than copays at every visit
- You see multiple specialists, or split time between Houston and another state
- You want to keep any doctor who accepts Medicare, with no referral required
- You have ongoing treatment where per-visit copays would pile up quickly
- You're inside your 6-month Medigap enrollment window and can enroll without health questions
The timing detail that catches people off guard
You can join or switch an Advantage plan each fall during Open Enrollment. Moving back to a Supplement plan later can require health underwriting in Texas. That asymmetry should shape your first decision, not an afterthought.
Total cost
Compare the full year, not just the premium
A $0-premium Advantage plan is not free. Add up realistic copays for primary care visits, specialists, imaging and any planned procedure, then compare that total to a year of Supplement premiums plus a standalone drug plan. For a healthy 66-year-old, the Advantage math often wins. For someone managing a chronic condition with frequent specialist visits, a Supplement plan frequently costs less across twelve months.
We run that math with your actual drug list and doctors. Start with the Medicare checklist, or read the mistakes to avoid before signing anything.
Common questions
What Houston seniors ask when comparing these two paths
Does one option work better for energy-sector retirees?
Retirees leaving employer coverage from refinery, port or pipeline jobs often already have strong provider relationships. A Supplement plan keeps those relationships intact without checking a network list first.How does hurricane season factor in?
If evacuation ever sends you outside Harris County for weeks at a time, a Supplement plan keeps working with any Medicare provider you find. Some Advantage networks are far more limited once you leave the metro area.Which is easier to budget for a Harris County retiree?
Advantage plans usually win on predictable monthly premium. Supplement plans usually win on predictable annual spending once you're already using care regularly.
Still weighing Advantage against Supplement?
Bring your doctors and prescriptions, we'll price both paths for a full year and show you the real difference in dollars.