Working Past 65

Working Past 65 and Medicare

If you are still working at 65, Medicare timing can get complicated fast.

Employer coverage, Part B, HSA rules, COBRA, retiree coverage and Social Security timing all need to be reviewed before you assume Medicare can wait.

Working past 65 does not automatically mean you can ignore Medicare

Many people keep working past 65 and assume their employer coverage means Medicare can be pushed aside. Sometimes that is true. Sometimes it is not.

The key question is not simply, “Do I still have insurance?” The better question is, “Is this active employer group health coverage that allows me to delay Medicare without creating penalties, gaps or tax problems?”

This is one of the biggest Medicare timing traps because people assume all employer-related coverage works the same way. It does not.

The first question: what kind of coverage do you actually have?

Medicare timing depends heavily on the type of coverage you have after 65.

Coverage that may allow a delay

  • Active employer group health coverage through your current job
  • Active employer group health coverage through a spouse’s current job
  • Some union group health plans based on active employment
This still needs to be confirmed with HR or the benefits administrator.

Coverage that can create problems

  • COBRA
  • Retiree coverage
  • Marketplace coverage
  • Coverage that is not based on current active employment
These may not protect you from Medicare timing issues the way active employer coverage can.

Can you delay Medicare Part B if you are still working?

In some situations, yes. If you or your spouse are still working and you have qualifying group health coverage from that current employment, you may be able to delay Part B without a late enrollment penalty.

But this is not something to guess at. Employer size, plan type and whether the coverage is based on current employment can all matter.

Do not delay Part B just because someone at work said, “You’re covered.” Ask the specific Medicare coordination questions.

Questions to ask HR before turning 65

Coverage questions

  • Will my employer coverage continue after I turn 65?
  • Is this coverage based on current active employment?
  • Will Medicare be primary or secondary?
  • Does employer size affect coordination rules?
  • Do I need Part A, Part B or both?

Timing questions

  • Can I delay Part B without penalty?
  • What happens when employment ends?
  • When does my Special Enrollment Period begin?
  • Is my prescription coverage creditable?
  • Will I receive documentation proving coverage?

Be careful with COBRA and Medicare

COBRA can feel like employer coverage because it comes from a former employer plan. But Medicare treats COBRA differently than active employer coverage.

If you are Medicare eligible and relying on COBRA instead of enrolling in Medicare when required, you may run into coverage gaps, late enrollment penalties or claim problems.

COBRA is one of the places where people make expensive Medicare mistakes because it looks familiar but does not always protect you the same way active employment coverage does.

Do not miss the HSA issue

If you are still working past 65 and contributing to a Health Savings Account, Medicare enrollment can change whether future HSA contributions are allowed.

Once Medicare coverage begins, HSA contributions generally need to stop. Medicare Part A may also be retroactive in some situations, which can create problems if contributions continued during that period.

If you have an HSA, review Medicare timing before you enroll in Medicare or apply for Social Security.

Read more about HSA rules before Medicare

Social Security can affect Medicare timing too

Social Security and Medicare are connected, but they do not always begin at the same time.

If you are already receiving Social Security benefits before 65, Medicare enrollment may happen automatically. If you delay Social Security, Medicare may not automatically start and you may need to enroll yourself.

Delaying Social Security does not mean you can automatically ignore Medicare deadlines.

Read more about Social Security and Medicare timing

Common mistakes people make when working past 65

Assuming all coverage counts

COBRA, retiree coverage and active employer coverage do not always work the same way with Medicare.

Delaying Part B without checking

Part B delay rules depend on qualifying coverage and timing. Guessing can create penalties.

Forgetting HSA rules

Medicare enrollment generally affects HSA contribution eligibility.

Missing the Special Enrollment Period

When employment or employer coverage ends, Medicare timing becomes urgent.

Working past 65 checklist

  • Confirm whether your current coverage is active employer group health coverage
  • Ask whether Medicare will be primary or secondary
  • Confirm whether you can delay Part B without penalty
  • Ask if your prescription coverage is creditable
  • Review whether you are contributing to an HSA
  • Ask what happens when employment ends
  • Know when your Special Enrollment Period starts
  • Get coverage verification in writing if possible
  • Review Social Security timing before assuming Medicare will be automatic
Print this list or bring it to HR. The wrong assumption can cost more than the uncomfortable question.

Related Medicare timing resources

Medicare Timeline Medicare & Retirement Timing Hub Social Security & Medicare Timing HSA Before Medicare IRMAA Planning Before Medicare Super Catch-Up Retirement Contributions Medicare Costs & Coverage Knowledge Center

Still working? Do not guess your Medicare timing.

This is one of the areas where Medicare mistakes happen quietly because people assume employer coverage, COBRA, retiree coverage and HSAs all work the same way.

Ask a Medicare timing question
Educational only. This page does not provide legal, tax, financial or investment advice. Medicare, employer coverage, COBRA, retiree coverage, HSA, Social Security and enrollment rules can change. Always verify your situation with Medicare, Social Security, your employer, your benefits administrator, your HSA administrator and qualified tax or financial professionals before making decisions.