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Switching from Medicare Advantage to Original Medicare: What You Need to Know

7 min readApril 8, 2026
David Haass

Written By

David Haass

CTO & Co-Founder

Ashlee Zareczny

Reviewed By

Ashlee Zareczny
Switching from Medicare Advantage to Original Medicare: What You Need to Know

Many Medicare beneficiaries consider switching from Medicare Advantage to Original Medicare for greater flexibility in choosing healthcare providers. This guide explains timing, eligibility, and key considerations.

When Can You Switch Plans?

You have specific windows to switch. The Annual Enrollment Period runs October 15 to December 7 each year. You can also switch if you experience a qualifying life event like moving out of plan service area.

  • Annual Enrollment Period: October 15 - December 7

  • Qualifying life events: relocation, loss of coverage, marriage/divorce

  • Medicare Open Enrollment: January 1 - March 31 for certain situations

  • Initial Enrollment Period: within 3 months of turning 65

Key Takeaways

  • You can switch during Annual Enrollment Period (Oct 15-Dec 7) or if you have a qualifying life event
  • Original Medicare offers more provider flexibility but requires separate prescription drug and supplement coverage
  • Switching may result in coverage gaps if not properly coordinated with supplemental or drug plans

How to Switch Plans

Switching is straightforward. Contact Medicare directly at 1-800-MEDICARE, use Medicare.gov, or work with a licensed agent. Your Original Medicare coverage begins January 1 if you enroll by December 7.

  1. Review Original Medicare coverage details and costs

  2. Enroll in Part B if needed and a Medigap supplement plan

  3. Select a Part D prescription drug plan

  4. Confirm your Medicare Advantage plan termination

  5. Keep documentation of all enrollment confirmations

Coverage Differences Explained

FactorMedicare AdvantageOriginal Medicare
Provider NetworkLimited to plan networkSee any Medicare-approved provider
Prescription DrugsIncluded in planRequires separate Part D plan
Supplemental CoverageLimited options availableMedigap plans strongly recommended
Out-of-Pocket MaxYes, typically $5,000-$6,700No maximum limit
Specialist ApprovalMay need referralNo referral required

Important Tip

Always enroll in a Medigap plan when switching to Original Medicare to avoid substantial out-of-pocket costs.

Key Considerations Before Switching

Before switching, verify your current doctors accept Original Medicare and assess total monthly costs including premiums, deductibles, and copays for both Original Medicare and supplemental coverage.

  • Check if your doctors participate in Original Medicare

  • Compare total annual costs including all premiums and deductibles

  • Review prescription drug coverage availability in Part D plans

  • Consider switching sooner if facing medical needs requiring specialist care

  • Verify your current medications are covered by selected Part D plan

Can I switch back to Medicare Advantage?
Yes, during the Annual Enrollment Period (Oct 15-Dec 7) or within a qualifying life event window.
Will switching affect my current coverage?
Your MA plan ends and Original Medicare begins January 1. Coordinate timing to avoid gaps in coverage.
Do I lose coverage if I miss the deadline?
Missed deadlines may result in late enrollment penalties or gaps in coverage. Contact Medicare immediately if needed.

Frequently Asked Questions

What's the best time to switch from Medicare Advantage?
The Annual Enrollment Period (Oct 15-Dec 7) is ideal, allowing January 1 effective date for seamless transition.
Do I need a Medigap plan with Original Medicare?
Not required, but strongly recommended. Original Medicare has no out-of-pocket maximum, making Medigap cost-effective.
Can I switch mid-year outside enrollment periods?
Only with qualifying life events like moving, losing coverage, or specific eligibility changes. Otherwise, wait for Oct 15.

Have Medicare questions?

Our licensed Medicare agents are available to help you find the right coverage.

Call (888) 335-8996