Quick Answer
While Medicare coverage is typically permanent once you turn 65, there are specific scenarios where you can lose benefits - including non-payment of premiums, fraud, disability recovery, and moving outside your plan area.
Coverage Comparison by Plan Type
| Plan Type | Coverage | Notes |
|---|---|---|
| Original Medicare (A & B) | Rarely lost if age-eligible; non-payment or fraud can terminate | Age-based eligibility is permanent; disability-based can end |
| Medicare Advantage (Part C) | Can be lost by moving, non-payment, fraud, or plan termination | Plan service areas are geographically limited |
| Part D (Prescription Drugs) | Can be lost by non-payment or plan non-renewal | Late enrollment penalty applies if gap exceeds 63 days |
| Medigap (Supplement) | Can be lost if underlying Medicare is terminated | Medigap requires active Part A and Part B |
Understanding Your Coverage Options
Non-Payment of Premiums
Failing to pay your Medicare premiums is the most common way to lose coverage. Part B premiums ($185/month in 2025) are due on the 25th of each month. If you owe Part A premiums, those must also be paid on time.
After a missed payment, you'll receive a delinquent notice with a deadline. A third delinquent notice means your coverage will terminate if you don't pay the past-due amount.
What It Covers
- 90-day grace period before termination
- Opportunity to pay past-due amounts to restore coverage
- Automatic deduction from Social Security reduces risk
What It Doesn't Cover
- No protection if balance exceeds $10 past due after third notice
- Medigap and Part D also terminate if Medicare ends
- Reinstatement may require waiting for enrollment periods
Prevention Tip
Set up automatic premium deduction from your Social Security check to avoid missed payments.
Medicare Fraud or Disruptive Behavior
Any form of Medicare fraud - including letting someone else use your Medicare card, participating in kickback schemes, or phantom billing - will result in coverage termination.
Medicare Advantage plans can also disenroll members for 'disruptive behavior' that substantially impairs the plan's ability to provide services. This requires three written notices before disenrollment.
What It Covers
- Three written notices required before MA disenrollment
- Right to appeal a disruptive behavior determination
- Original Medicare fraud requires formal investigation
What It Doesn't Cover
- No protection if fraud is proven
- Criminal penalties may also apply
- Cannot re-enroll after fraud-based termination
Disability Recovery or Return to Work
If you qualify for Medicare due to disability (under 65), your coverage can end if your condition improves. However, you keep Medicare for at least 93 months (about 8.5 years) after returning to work under the Ticket to Work program.
For ESRD (End-Stage Renal Disease) patients, Medicare coverage ends 12 months after dialysis stops or 36 months after a successful kidney transplant.
What It Covers
- 93 months of continued Medicare after returning to work
- Trial work period (9 months) with full benefits
- ESRD coverage continues during active treatment
What It Doesn't Cover
- Coverage ends if disability determination is reversed
- ESRD-only Medicare ends 12 months after stopping dialysis
- No automatic reinstatement after termination
ESRD Note
If you have Medicare due to ESRD and turn 65, your coverage converts to age-based eligibility and becomes permanent.
Moving outside Your Plan Area
Medicare Advantage and Part D plans have geographic service areas. Moving outside your plan's area means you must switch plans or return to Original Medicare.
You'll receive a Special Enrollment Period (SEP) that begins the month before your move and lasts two months after. If you don't act, your MA plan will eventually disenroll you.
What It Covers
- Special Enrollment Period triggered by move
- Can switch to new MA plan or Original Medicare
- Original Medicare (Part A & B) is nationwide
What It Doesn't Cover
- MA plan cannot follow you outside service area
- Part D plan may not be available in new area
- Medigap guaranteed issue rights may be limited
Plan Non-Renewal or Termination
Medicare Advantage and Part D plans can be terminated by CMS or the insurer may choose not to renew their contract. If this happens, you must select a new plan or switch to Original Medicare.
You'll receive advance notice and a Special Enrollment Period to make changes. Your underlying Original Medicare eligibility is not affected.
What It Covers
- Advance notice of plan termination
- Special Enrollment Period to choose new coverage
- Original Medicare eligibility remains intact
What It Doesn't Cover
- No guarantee your new plan has same benefits
- Network of doctors may change with new plan
- Prescription formulary may differ
Financial Consequences of Losing Medicare
| Scenario | Financial Impact | Recovery Option |
|---|---|---|
| Non-payment termination | No coverage for medical expenses | Re-enroll during General Enrollment (Jan–Mar) |
| Part B late penalty | 10% surcharge per year without coverage | Penalty is permanent - lasts as long as you have Part B |
| Part D coverage gap (63+ days) | 1% penalty per month without creditable coverage | Penalty is permanent - added to monthly premium |
| MA plan disenrollment | Reverts to Original Medicare (no supplemental) | Enroll in new MA plan during next enrollment period |
| Medigap loss (after 6-month window) | May be denied or charged more for new policy | Limited guaranteed issue rights in certain situations |
✦ Important Exceptions & Protections
Age-Based Eligibility is Permanent
If you qualify for Medicare at age 65 based on work history (40+ quarters of Medicare taxes), your Part A eligibility cannot be revoked. You can only lose coverage through non-payment or voluntary termination.
Once eligible by age, Part A eligibility is permanent.
Guaranteed Issue Rights after Plan Loss
If you lose Medicare Advantage or Medigap coverage through no fault of your own (plan termination, moving), you have guaranteed issue rights to purchase a new Medigap policy without medical underwriting.
Voluntary Termination is Reversible
If you voluntarily drop Part B, you can re-enroll during the General Enrollment Period (January 1 – March 31), though a late enrollment penalty may apply.
Employer Coverage Coordination
Delaying Medicare enrollment while covered by an employer group health plan does not result in penalties, as long as you enroll within 8 months of leaving employer coverage.
✦ Recent Policy Updates
Medicare Advantage Stability Rule (2025)
PassedCMS finalized rules requiring MA plans to give at least 90 days notice before exiting a service area, giving beneficiaries more time to find alternative coverage.
Disability Medicare Improvement Act
ProposedWould extend the Medicare continuation period for disabled workers returning to employment from 93 months to 120 months.
How to Protect Your Medicare Benefits
Most scenarios that lead to losing Medicare are preventable. Taking proactive steps ensures your coverage remains intact and avoids costly penalties.
Steps to Protect Your Coverage
- Set up automatic premium payments through Social Security deduction
- Never share your Medicare card or number with others
- Notify your plan immediately if you move to a new address
- Review your Annual Notice of Change (ANOC) letter each September
- Keep employer coverage documentation if delaying Medicare enrollment
- Contact 1-800-MEDICARE if you receive a termination notice you don't understand
✦ Frequently Asked Questions
Jagger Esch
AuthorJagger Esch is a licensed insurance agent and founder of MedicareFAQ.com.
Ashlee Zareczny
ReviewerAshlee Zareczny is the Compliance & Editorial Manager at MedicareFAQ.