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When should I apply for Medicare?

When should I apply for Medicare?

Enrollment
Last updated: 
April 10, 2026
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The short answer

Most people should apply for Medicare three months before their 65th birthday. That gives you the earliest possible coverage start and avoids gaps or late penalties.

The full explanation

The short answer is three months before you turn 65. That is the opening of your Initial Enrollment Period, and applying then means your coverage starts on the first day of your birthday month with no delays.That said, not everyone needs to rush to sign up at 65. If you are still working and covered by an employer health plan through your job or your spouse's job, you may be able to delay Part B without a penalty. The key word is employer coverage. Coverage through COBRA, a retiree plan, or the health insurance marketplace does not count, and delaying because of those could trigger a lifetime late enrollment penalty.If you are already receiving Social Security benefits before you turn 65, you will likely be enrolled in Medicare automatically and get a card in the mail about three months before your birthday. In that case, there is nothing extra you need to do unless you want to delay Part B.For people not yet receiving Social Security, you need to actively apply, either online at SSA.gov, by phone, or at a local Social Security office. Do not wait for something to arrive in the mail if you have not started Social Security yet.The worst outcome is missing your window without qualifying coverage in place, because the late penalty for Part B adds 10 percent to your premium for every 12-month period you delayed, and that extra cost lasts for life.

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In 

Utah

 specifically

If you are unsure whether your current coverage qualifies as a valid reason to delay, the Utah ADRC (the state's free Medicare counseling program, also called SHIP) can review your situation at no cost.

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What this means for you

For you, this means putting a reminder on your calendar three months before your 65th birthday and taking action then, unless you have confirmed employer coverage that lets you delay safely.

Related Questions

What is my Medicare Initial Enrollment Period?

How many months before I turn 65 should I apply for Medicare?

Do I automatically get Medicare when I turn 65?

How do I enroll in Medicare?

What is the most common mistake people make when first getting Medicare?

Still have questions about Medicare?

Book a review with a licensed Medicare advisor.

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Medicare Advantage Plans in 

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Decision area Tool What it answers
Enrollment Initial Enrollment Period Calculator When your 7-month Medicare eligibility window begins and ends based on your 65th birthday
Enrollment When Should I Sign Up for Medicare? The best time to enroll based on your work status, other coverage, and age
Enrollment Special Enrollment Period Checker Whether a life event qualifies you for enrollment outside the standard windows
Enrollment Late Enrollment Penalty Checker How much extra you'll pay monthly if you missed your enrollment window
Enrollment Part B Penalty Calculator The exact 10%-per-year premium increase for delayed Part B enrollment
Enrollment Part D Penalty Calculator The 1%-per-month premium increase for gaps in creditable drug coverage
Costs Cost Scenario Planner Estimated annual spending across plan types at different health utilization levels
Costs Advantage vs. Medigap Cost Comparison True cost difference between Medicare Advantage and Original Medicare with Medigap
Costs IRMAA Calculator Whether your income triggers higher Part B and Part D premiums
Costs Part A Premium Estimator Your monthly Part A premium based on work history and quarters of coverage
Costs M3P Calculator How the Medicare Prescription Payment Plan smooths your drug costs into monthly payments
Coverage Doctor & Drug Assessment Whether your providers and prescriptions are covered by a specific plan
Coverage Part D Shopping Tool Which Part D plan has the lowest total annual cost for your specific medications
Coverage Travel & Network Risk Assessment How your coverage works outside your home area and which plan types travel best
Employer/COBRA COBRA vs. Medicare Why COBRA can trigger permanent Medicare penalties and how costs compare
Employer/COBRA Employer Coverage vs. Medicare Whether your employer plan or Medicare is primary and when to transition
Employer/COBRA HSA & Medicare Compatibility How Medicare enrollment affects HSA eligibility and what to do before enrolling
Planning Caregiver Readiness Checklist Whether you have everything in place to help a loved one with Medicare decisions
Planning Document Gatherer Which documents you need to have ready before enrolling or changing plans
Planning Medigap Fit Assessment Whether Medigap or Medicare Advantage is the better fit for how you use healthcare
Planning Medigap Open Enrollment Window Whether you're inside your one-time guaranteed issue window for Medigap
Planning Medicare Savings Program Eligibility Whether your income qualifies you for help paying Medicare premiums and cost-sharing

‍CMS TPMO Compliance Disclaimer: We do not offer every plan available in your area. Please contact Medicare.gov, 1-800-MEDICARE, or your local State Health Insurance Program (SHIP) to get information on all of your options.

Participating sales agencies represent Medicare Advantage [HMO, PPO, PFFS, and PDP] organizations that are contracted with Medicare. Enrollment depends on the plan’s contract renewal.

Not Government Affiliated: Resting Sycamore Advisors is a licensed Medicare insurance agency. We are not affiliated with or endorsed by the U.S. government or the federal Medicare program.

‍Data & Methodology for Research Articles: All provider, facility, quality star ratings, and enrollment data is sourced from primary CMS records (cms.gov), including the December 2025 CPSC Enrollment files and the January 2026 Provider Data Catalog. Calculations for patient-to-provider ratios are performed using indexed clinician and facility data. Everything on restingsycamore.com is for educational purposes and does not constitute an endorsement of any specific plan or provider.

Non-CMS Data Sources: Some  specific data was obtained from https://opendata.gov