Medicare 2026

Medicare Part B and Part D Penalties: How to Avoid Them

Missing your Medicare sign-up window can cost you every month for the rest of your life. That is the part many people in Erie do not realize until the bill arrives. The good news: late-enrollment penalties for Part B and Part D are avoidable if you know the deadlines and act on time.

Here is a plain-English look at how these penalties work, who is at risk, and the simple steps that keep them off your Medicare bill.

How the Part B late-enrollment penalty works

Part B covers doctor visits, outpatient care, and many preventive services. Most people first become eligible during their Initial Enrollment Period — the seven-month window around their 65th birthday.

If you skip Part B during that window and do not have other qualifying coverage, Medicare adds 10% to your monthly Part B premium for each full 12-month period you could have had it. That higher premium usually stays with you for the rest of the time you have Part B.

For example, if you waited three full years to sign up without a valid reason, your Part B premium would be 30% higher than the standard amount — every month, going forward.

How the Part D late-enrollment penalty works

Part D covers prescription drugs. The penalty here works differently but follows the same idea: sign up on time or pay more later.

If you go 63 days or more in a row without Part D or other "creditable" drug coverage after you are first eligible, Medicare may add a penalty when you finally enroll. The amount is 1% of the "national base beneficiary premium" for each full month you were without coverage, rounded to the nearest 10 cents, and it is added to your Part D premium.

Because the base premium can change each year, the penalty amount can shift too. And like the Part B penalty, it generally stays on your bill for as long as you have Part D.

What "creditable coverage" means — and why it matters

The word "creditable" comes up a lot with Part D. It simply means drug coverage that Medicare considers at least as good as a standard Part D plan. Common examples include coverage from a current or former employer, a union, or the Department of Veterans Affairs.

Each year, plans that offer drug coverage are required to send you a notice telling you whether that coverage is creditable. Keep those notices. If you ever need to enroll in Part D later, they are the proof that you did not have a gap.

For Part B, the equivalent protection is usually active employer coverage based on current work — either your own or your spouse's. If that applies to you, you may qualify for a Special Enrollment Period to sign up for Part B later without a penalty.

Simple ways to avoid both penalties

A few habits keep most people out of trouble:

• Know your Initial Enrollment Period. It starts three months before the month you turn 65 and ends three months after.
• Do not assume you can wait. If you are not still working with employer coverage, delaying Part B or Part D is what triggers penalties.
• Save every "creditable coverage" letter from an employer, union, or drug plan.
• Mark the Annual Enrollment Period (October 15 – December 7) on your calendar to review coverage each year.
• Ask before you drop coverage. Losing employer drug coverage without a plan to replace it can start the 63-day clock.

Where Erie residents can get help

Erie is in Erie County, where a range of Medicare Advantage and stand-alone Part D options are available. But comparing plans is only part of the picture — timing matters just as much.

For personalized help, Pennsylvania's State Health Insurance Assistance Program (SHIP), known locally as APPRISE, offers free one-on-one counseling. You can also call 1-800-MEDICARE (1-800-633-4227) or visit medicare.gov to check enrollment periods, look up creditable coverage rules, and use the plan finder.

A quick note on 2026 and 2027 program facts

While you are planning ahead, a few program-level numbers are worth knowing:

• The Part D out-of-pocket cap is $2,100.
• The Part D maximum deductible is $615.
• The coverage gap (the old "donut hole") is gone, replaced by three simpler phases.
• The Medicare Prescription Payment Plan lets you spread drug costs across the year in monthly amounts.
• IRMAA income-related surcharges begin above $109,000 for a single filer.

These figures do not change how the penalties work, but they can help you weigh whether to enroll in Part D even if you take few or no medications today.