Older Black woman and Asian man comparing unbranded Medicare plan documents and a checklist at their kitchen table
Before accepting a 2027 replacement plan, compare the specific doctors, prescriptions, costs and benefits that matter to you.

October plan-ending notices deserve attention

Medicare says plans send an Annual Notice of Change (ANOC) in September to explain the coverage and cost changes coming in January. If a Medicare Advantage plan is leaving Medicare, its Plan Non-renewal Notice is expected in October. Medicare may also send a non-renewal reminder in November.

Read the exact wording of your notice. A plan ending everywhere, a plan leaving only your county, and a plan being consolidated into another plan can lead to different next steps. If you did not receive an expected notice, contact your current plan directly.

Three possible outcomes for your 2026 plan

  • Continuing for 2027: The plan remains available, but its premium, deductible, doctor network, prescription formulary, copays, out-of-pocket limit or extra benefits may change. Review the ANOC even if the name is unchanged.
  • Crosswalked to a successor: A plan sponsor may be permitted to transition eligible members from an existing plan into a designated 2027 plan, often after a consolidation or plan change. The official CMS 2027 Part C & D Plan Crosswalk records plan relationships. A successor is not a promise of identical coverage. Check your personal plan notice to see whether and how the transition applies to you.
  • Not offered where you live: Your plan may be non-renewing or withdrawing from your county. A county exit does not necessarily mean the carrier or plan has closed nationwide. If your coverage will end and no replacement is arranged, you need to review your available choices and the dates in your notice.
Important distinction: A CMS crosswalk is an administrative mapping between plan years. It does not, by itself, guarantee that every beneficiary will be automatically enrolled in a successor or that the successor will meet the beneficiary's needs. Your plan's official notice and eligibility rules control your individual situation.

Why a replacement plan deserves a fresh review

CMS expects the overall number of Medicare Advantage plan offerings nationally to remain relatively stable for 2027, but national averages do not describe every county or individual plan. CMS's September 28, 2026 outlook urges beneficiaries to compare the actual plans available to them.

Before keeping a replacement—or selecting any other 2027 plan—confirm:

  1. Doctors and hospitals: Does the exact 2027 plan include your primary doctor, specialists, preferred hospitals and facilities?
  2. Prescriptions: Are all your medications on its 2027 formulary? Check tiers, prior authorization, quantity limits and step therapy.
  3. Pharmacies: Is your preferred pharmacy in-network, and does preferred pharmacy status change your costs?
  4. Total costs: Compare premiums, medical and drug deductibles, specialist copays, coinsurance and the Medicare Advantage maximum out-of-pocket limit.
  5. Extra benefits: Review dental, vision, hearing, transportation, fitness, allowances and any conditions or limits—not just the headline benefit.
  6. Eligibility: If the plan is a Special Needs Plan (SNP), verify that you qualify and that the plan serves your county.

What if you receive an automatic enrollment or reassignment letter?

Do not assume an automatic change means it is your best option. Medicare describes specific Part D reassignment notices for certain people receiving Extra Help, including cases when a drug plan is leaving Medicare. These reassignment rules are not the same as every Medicare Advantage plan crosswalk. Check the letter for the plan name, effective date and your choices.

If you are considering a move from Medicare Advantage to Original Medicare, evaluate how you would obtain Part D coverage and whether you have a right to buy Medigap. Certain involuntary plan endings or service-area exits may create Medigap guaranteed-issue protections, but eligibility, policy choices and application deadlines matter. See our recent Medigap rights explanation for more context.

Make your decision before December 7

The regular Medicare Open Enrollment period runs October 15–December 7, 2026. Elections made during this period generally take effect January 1, 2027. Medicare states that your enrollment request must be received by December 7. Some people whose plans end may have additional special enrollment rights; confirm your personal situation rather than assuming an extension applies.

Keep your ANOC, any non-renewal or crosswalk notice, your current plan ID, a complete medication list and the names of your doctors handy for a comparison. It is easier to choose confidently while you still have time to review the details.

Need help with a 2027 plan change? Michael Johnson can help you compare available Medicare Advantage, Part D and other coverage options based on your doctors, prescriptions, priorities and budget. Book a Medicare review or call 984-400-8451.

The Medicare Minute takeaway: If your 2026 plan is ending, leaving your county or moving you into a 2027 successor, check the official notice and compare the actual replacement benefits before December 7. A familiar carrier name or automatic transition does not guarantee the same doctors, medications or costs.
Educational information only. This article reflects CMS and Medicare.gov guidance available October 21, 2026. It is not a determination of any individual plan's termination, crosswalk, service area, enrollment status or Medigap eligibility. Plan benefits, networks, formularies, costs and eligibility vary by plan and location; review your official plan materials and notices. This information is not personalized legal, financial or medical advice. Discuss individual healthcare decisions with a qualified healthcare professional. Medicare Advisors is an independent insurance agency, not connected with or endorsed by the U.S. government or the federal Medicare program.