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Quick answer
Between June and September 2026, Vancouver-area Medicare beneficiaries should review Explanation of Benefits statements, verify doctors and hospitals are still in-network (especially after Legacy clinic changes), update medication lists, document any coverage problems for AEP, and book a free plan comparison before October 15. Turning 65 this summer? Follow your Initial Enrollment Period instead—see our summer 2026 timeline guide.
Why mid-year matters in Clark County
Spring enrollment windows are closed, but problems do not wait for October. I hear from clients every week who discovered a specialist is out-of-network, a drug tier changed, or a clinic closure left them searching for care. Fixing those issues early makes AEP decisions clearer—and sometimes a Special Enrollment Period applies.
Your 6-step mid-year checklist
1. Gather your Explanation of Benefits (EOB) statements
Look for surprise copays, prior-authorization denials, or hospital bills. Patterns here tell us whether your 2026 plan still fits—or whether you need a different design (Advantage vs. Supplement) next year.
2. Confirm your doctor and hospital networks
Call your primary care office and any specialists. If you use The Vancouver Clinic, cross-check our TVC 2026 plan guide. Legacy clinic closures still affect some networks—verify before you assume last year's list is current. Vancouver Clinic Medicare plans 2026 →
3. Update your medication list
Include dosage, pharmacy (Costco, Walgreens, mail order), and any new prescriptions since January. The 2026 Part D cap helps many Clark County seniors, but formulary tiers still drive real costs.
4. Note life changes for Special Enrollment Periods
Moved within or out of Washington? Lost employer coverage? Gained or lost Medicaid? These may allow a plan change outside AEP. Document dates—you will need them if you qualify. Working past 65 transition guide →
5. Compare Advantage vs. Supplement while you have time
If you are unhappy with network restrictions or unpredictable copays, mid-year is the right time to learn alternatives—not December 6 when call centers are slammed. Advantage vs. Supplement (2026 updated guide) →
6. Schedule your AEP preview appointment
Book in June, July, or August. We review your file, flag red flags, and when 2027 plan documents publish in early fall, you are first in line—not scrambling in November.
Key dates to mark on your calendar
| Period | Dates | Who it affects |
|---|---|---|
| Mid-year review (this guide) | June – September 2026 | Most Medicare beneficiaries |
| Initial Enrollment Period | 7 months around 65th birthday | New to Medicare |
| Annual Enrollment Period (AEP) | Oct 15 – Dec 7, 2026 | Plan changes for Jan 1, 2027 coverage |
Frequently asked questions
Can I change my Medicare plan in summer 2026?
Most people cannot change Medicare Advantage or Part D plans in summer unless they qualify for a Special Enrollment Period—for example, moving, losing employer coverage, or Medicaid changes. If you are turning 65, use your Initial Enrollment Period instead. Everyone else should use this mid-year window to review coverage before Annual Enrollment Period (AEP) October 15–December 7, 2026.
When does AEP 2026 start for Vancouver WA Medicare beneficiaries?
Annual Enrollment Period (AEP) 2026 runs October 15 through December 7, 2026. Changes made during AEP take effect January 1, 2027. Use June through September to gather your medication list, confirm doctor networks, and compare plans before the fall rush.
What should I review on my Medicare plan mid-year?
Review your Explanation of Benefits for unexpected costs, confirm your doctors and hospitals are still in-network, check whether prescriptions are on formulary at your pharmacy, note any new diagnoses or specialists, and compare your plan against 2027 options when they publish in early fall.
Free mid-year Medicare review
I will walk through your doctors, drugs, and EOBs—and tell you honestly if you should wait for AEP or act sooner.