Medicare Supplement

Medigap coverage in Baytown and the role of plan letters

BAYTOWN, Texas — If you have Original Medicare (Part A and Part B), you know it doesn't pay for everything. There are deductibles, coinsurance, and other out-of-pocket costs that can add up, especially after a hospital stay or a run of doctor visits.

What Medigap actually does

That's the gap a Medicare Supplement policy — commonly called Medigap — is designed to help fill. Medigap is private insurance you buy in addition to Original Medicare. It works alongside Medicare, helping pay some of the costs Medicare leaves to you.

A few things to keep in mind about Medigap:

• It only works with Original Medicare, not with Medicare Advantage.
• It doesn't include prescription drug coverage. For drugs, you'd add a separate Part D plan.
• You pay a monthly premium to the insurance company on top of your Part B premium.

Why the letters exist

Here's where the letters come in. In most states, Medigap policies are standardized by the federal government. That means a Plan G sold by one company covers the same core benefits as a Plan G sold by another. The label — A, B, C, D, F, G, K, L, M, or N — tells you what's inside the policy.

Companies can differ on price, customer service, and extras, but they can't change the standardized benefits tied to each letter. According to Medicare.gov, this system was created so shoppers could compare policies apples to apples instead of getting lost in fine print.

Plans F and C are only available to people who became eligible for Medicare before January 1, 2020. If you're newly eligible, those two letters are off the table for you.

A quick tour of the letters

Every standardized plan covers at least some of the basics, like Part A hospital coinsurance. From there, the letters vary in how much they pick up:

• Plans A and B cover core benefits, with Plan B adding the Part A deductible.
• Plans G and N are popular choices for people newly eligible today, with different trade-offs between premium and cost-sharing.
• Plans K and L have lower premiums but ask you to pay a share of costs up to a yearly out-of-pocket limit.
• Plan M splits the Part A deductible.
• Plans C and F (older eligibles only) are the most comprehensive.

For the full side-by-side benefit chart, Medicare.gov keeps an up-to-date grid at medicare.gov/health-drug-plans/medigap.

The Baytown picture

Baytown sits in Harris County (with a small slice in Chambers County), and Medigap availability in Texas is regulated at the state level. That means Baytown residents generally have access to the same standardized letter plans as retirees across Texas, though the list of companies selling each letter — and the prices they charge — can vary.

Because the benefits inside each letter are identical by law, shopping Medigap in Baytown often comes down to comparing premiums for the same letter across different insurers, plus considering the company's reputation and rate history.

Timing matters more than most people realize

The best window to buy a Medigap policy is your Medigap Open Enrollment Period — the six months that start when you're 65 or older and enrolled in Part B. During that window, insurance companies can't turn you down or charge you more because of your health.

Outside that window, in most cases, insurers in Texas can use medical underwriting. That doesn't mean you can't switch later, but it can be harder. If you're weighing a change, it's worth talking through the timing before you cancel anything.

Also worth noting: Medigap is separate from the fall Annual Enrollment Period (October 15 – December 7), which is for Medicare Advantage and Part D. Medigap has its own rules and isn't tied to that calendar.

Medigap vs. Medicare Advantage — not the same thing

This trips a lot of people up. Medigap and Medicare Advantage are two different ways to handle your Medicare coverage, and you can't have both at the same time.

• With Original Medicare + Medigap + Part D, you use your red, white, and blue Medicare card and can see any provider that accepts Medicare.
• With Medicare Advantage, a private plan replaces how you receive your Part A and Part B benefits, often with a network and often bundling drug coverage.

Neither is universally better. It depends on your health, budget, travel habits, and preferred doctors.