Medicare & Retirement · Reviewed October 6, 2026

Medicare Plan Compare 2027: Open Enrollment Checklist

Answer first: Medicare Open Enrollment for 2027 generally runs October 15 through December 7. The most useful comparison is not the lowest monthly premium; it is the plan that covers your actual prescriptions, doctors and pharmacies at a manageable total annual cost. Medicare.gov Plan Compare is the official starting point.

Make a complete medication list

Record each drug name, strength, dose, quantity and refill frequency. A plan can be inexpensive for one prescription list and costly for another because formularies, tiers, utilization rules and preferred pharmacies differ. Include insulin, inhalers and specialty drugs rather than estimating from memory.

Compare Medicare Advantage and Part D separately

Medicare Advantage plans combine medical coverage and often drug coverage, while stand-alone Part D plans pair with Original Medicare. Compare premiums, deductibles, maximum out-of-pocket exposure, provider networks and supplemental benefits. A low premium is not a low annual cost if you regularly use out-of-network care.

Check doctors, hospitals and pharmacies

Open the plan directory and call the provider office if network status matters. Directories can change. Confirm whether your preferred pharmacy is in-network and preferred, and check mail-order options for maintenance drugs. Keep screenshots or PDFs of the plan details used for your choice.

Use the total-cost estimate carefully

Plan Compare can estimate annual drug costs using your entered medicines and pharmacy. Treat it as a comparison tool, not a guarantee. Coverage changes, deductibles, quantity limits and midyear formulary rules can affect the result.

Review notices from your current plan

Read the Annual Notice of Change and Evidence of Coverage. Look for premium, deductible, copay, network, formulary and prior-authorization changes. If your current plan is leaving the area, you may have additional enrollment rights; check Medicare.gov or 1-800-MEDICARE.

Fit the choice into your budget

Use the USFinNexus budget calculator for premiums, transportation, dental and prescription reserves. The retirement calculator can show how recurring premiums affect withdrawals, but Medicare.gov controls plan availability and eligibility.

A repeatable Plan Compare process

Use the same household profile for every plan: ZIP code, doctors, hospitals, prescriptions, dosages and preferred pharmacies. If a spouse has different doctors or medicines, run separate profiles. Write down the estimated annual cost and the assumptions behind it, because a pharmacy switch can change the ranking.

After narrowing the list, read the plan’s Evidence of Coverage rather than relying on a marketing card. Look for specialist referrals, prior authorization, inpatient hospital cost sharing, emergency care, durable medical equipment and the maximum out-of-pocket limit. These are the sections most likely to change how a plan feels during a difficult medical year.

Call the plan and provider office with specific questions, then record the date and representative name. Directories can lag behind contract changes. If an answer is inconsistent, call 1-800-MEDICARE or a state health-insurance assistance program. Do not give a salesperson permission to switch coverage until you understand the election and effective date.

• Start with the official Plan Compare tool.
• Enter exact medicines and quantities.
• Verify doctors and preferred pharmacies.
• Read the Evidence of Coverage.
• Save your final comparison.

Three checks before you act

First, confirm the fact that drives the decision in the primary document, not in a headline or social post. A national average, projected rate, calendar date or tax threshold can be useful context but may not be the number that applies to your household. Save the source URL, publication date and the assumptions you used so you can explain the decision later.

Second, run a downside scenario. Ask what happens if the premium rises, a payment arrives late, the market moves against you, a rate increases, a prescription changes tiers or your income is higher than expected. A plan that works only under the best case is not a durable plan. Put the conservative result into your cash budget before committing.

Third, check the operational deadline. an enrollment choice can fail because a custodian, lender, insurer, agency or plan has a cutoff earlier than the public due date. Start paperwork early, verify the receiving account or provider, and keep a confirmation number. If two documents conflict, use the official agency or plan contact and ask for a written answer.

Finally, separate education from a personal recommendation. This guide explains the framework and links to official rules; it cannot see your complete income, medical history, loan file, account basis or state law. A qualified professional can review those facts and document a choice that is appropriate for you.

• Confirm the official source and date.
• Model a conservative downside case.
• Start before the operational cutoff.
• Save confirmations and statements.
• Get professional help for unusual facts.

Useful USFinNexus tools

budget calculator · retirement calculator · Open Enrollment dates.

Official source

Medicare.gov Plan Compare. Always check the latest publication, plan document or notice because rules and costs can change.

Frequently asked questions

Disclaimer

Figures and rules are presented for general education and were checked on October 6, 2026. Your eligibility, filing status, plan, lender, state and account documents control. Do not make a financial decision solely from this article.