What is the Medicare Part D late-enrollment penalty?

The Part D late-enrollment penalty is 1% of the national base beneficiary premium for each full month you went without creditable drug coverage after first becoming eligible. The penalty is permanent — it is added to your Part D premium for as long as you have Medicare drug coverage. The guide explains how to check whether you are protected and what creditable coverage means.

Is the cheapest premium the cheapest Medicare drug plan?

Usually not. Deductibles, your specific drugs, pharmacy cost-sharing, formulary tier placement, and prior authorization requirements all change the total yearly cost. The guide shows how to compare estimated total yearly cost — not just the monthly premium — using Medicare Plan Finder.

What does creditable prescription drug coverage mean?

Creditable coverage means your current drug coverage (from an employer, retiree plan, union, VA, TRICARE, or other source) is at least as good as Medicare Part D. If it is creditable, you can delay Part D without a late-enrollment penalty. Your plan administrator is required to notify you each year whether your coverage is creditable.

Does The Clearing sell Medicare drug plans or earn commissions?

No. The Clearing is independent Medicare education. We do not sell insurance, recommend specific plans or carriers, or earn commissions from any insurer. The guide helps you understand the decision — what you do with that understanding is yours.

In Resources View all resources →

Free guide · Medicare Drug Plan Starter Kit

The cheapest premium is rarely the cheapest plan.

Q: Is the Medicare Drug Plan Starter Kit free?

Yes. There is no email wall and nothing to sign up for. Read it online or download the PDF — the guide is yours to keep.

Part D decisions come down to your medications, your pharmacy, and total yearly cost — not the premium alone. This starter kit shows what to check first.

Download PDF ↓ Use the Part D tool →

✓ Free — no email required ◯ 17 pages ✎ Fillable checklists

✎

Do this first

Start with the free Self-Audit Worksheet.

Ten minutes on paper to list your medications, pharmacy, and current coverage — the exact details this guide asks you to compare plans against.

Open the Self-Audit →

What the guide covers

Six parts, in the order you need them.

Seventeen pages — from timing and penalties to your drug list and total cost, with the checklists you fill in as you compare.

Part 01

Part D is not set-and-forget

The six things to check every year — and why a low premium is only one of them.

Part 02

Where you are & enrollment timing

Find your situation, and the first question: do I actually need drug coverage now?

Part 03

Penalty & creditable coverage

If you delay Part D, are you protected? What creditable coverage means, and the proof to ask for.

Part 04

Your drug & pharmacy list

Build both before comparing plans — the single step that changes which plan actually wins.

Part 05

Cost & plan rules

Compare total yearly cost, not just premium — plus formularies, restrictions, and what they mean.

Part 06

Special help, review & fixing problems

Extra Help and payment plans, the annual review, and what to do with an expensive or denied drug.

Who this is for

Whether you’re choosing, reviewing, or fixing a plan.

Not a plan recommendation — a way to check what actually drives your cost and access.

You want to understand how Medicare drug coverage works.

You’re turning 65 soon and deciding whether you need Part D now.

Employer, retiree, union, VA/TRICARE, COBRA, or spouse coverage — is it creditable?

Picking a new drug plan, or moving from the one you have.

You already have Part D and want to catch changes before they catch you.

A medication is expensive, denied, delayed, or hard to fill.

Questions about this guide

Before you open it.

Is it free?

Yes. There’s no email wall and nothing to sign up for. Read it online or download the PDF — the guide is yours.

Do I need Part D if I don’t take any medications?

Probably worth a look. Even with no prescriptions, timing and the late-enrollment penalty can matter. The guide helps you check whether to enroll now or wait — and what creditable coverage means if you have other drug coverage.

Is the cheapest premium the cheapest plan?

Usually not. Deductibles, your specific drugs, pharmacy cost-sharing, and restrictions all change the total. The cost pages show how to compare estimated yearly cost, not just the monthly premium.

Does The Clearing sell drug plans?

No. The Clearing is independent education. We don’t sell insurance, recommend plans or carriers, or earn commissions — the guide only helps you ask sharper questions.

Get the guide

Download or share the Drug Plan Starter Kit.

Free, no email required. Print it, share it with a family member, or save it to return to as your situation changes.

Download PDF ↓ Use the Part D tool →

Free · no email required · 2026 Medicare figures

Decision tool

Ready to apply this to your drug plan situation?

The Part D Drug Plan Guide tool walks through your medications, pharmacy, timing, and coverage situation — and maps your situation to the pathway that fits.

Open the Part D tool →