Turning 65 in 2026? Or maybe you qualify through disability or health conditions? Here’s a clear, step-by-step guide on how to apply for Medicare in 2026, including what parts to pick, how much they cost, and when to enroll. Medicare’s rules and prices change each year — so knowing the deadlines and fees upfront can save you time and money.

Quick Overview of Medicare Parts and Costs for 2026

  • Eligibility: Age 65 or older, U.S. Citizen or permanent resident for 5+ years. Also under 65 with certain disabilities or End-Stage Renal Disease (ESRD).
  • Parts: Part A (hospital insurance, usually free), Part B (medical insurance, $202.90/month), Part C (Medicare Advantage plans), Part D (prescription drug coverage).
  • Part B Premium 2026: $202.90/month standard premium, up 9.7% from $185. IRMAA surcharges apply for incomes over $109,000 single/$218,000 joint (based on 2024 tax returns).
  • Enrollment Periods: Initial Enrollment Period (IEP) – 7 months around your 65th birthday; General Enrollment Period – Jan 1 to March 31; Open Enrollment Period – Oct 15 to Dec 7.
  • Penalties: Part B late enrollment penalty is 10% for each 12-month period delayed past 65, unless covered by employer insurance. Part D penalty is 1% per month delayed.
  • Medicare Advantage vs Original: Advantage bundles Parts A, B, and usually D with extra benefits, but limits networks. Original Medicare offers flexibility and can be supplemented with Medigap plans.
  • Medigap: Supplement plans A through N, must buy within 6 months of Part B start for guaranteed issue.

Step 1: Check If You’re Eligible for Medicare in 2026

Most people qualify when they turn 65. You must also be a U.S. Citizen or have been a permanent resident for at least 5 years. If you’re under 65, you might qualify if you receive Social Security Disability Insurance for 24 months or have End-Stage Renal Disease.

Step 2: Understand the Medicare Parts

Medicare has four parts:

  • Part A (Hospital Insurance): Covers inpatient hospital stays, skilled nursing, hospice, and some home health care. Most people don’t pay a premium for Part A if they or their spouse paid Medicare taxes for at least 10 years.
  • Part B (Medical Insurance): Covers doctor visits, outpatient care, preventive services, and some home health care. In 2026, the standard Part B premium is $202.90 per month. This is up from $185 in 2025—a 9.7% increase.
  • Part C (Medicare Advantage): These are private plans that bundle Parts A and B, and usually Part D (drug coverage). They often include extra benefits like dental and vision but limit you to specific provider networks.
  • Part D (Prescription Drug Coverage): Covers prescription medications. You can get Part D as a standalone plan if you have Original Medicare or as part of a Medicare Advantage plan. The average Part D premium in 2026 is about $34.50 per month.

Step 3: Know the Enrollment Periods

When you can sign up depends on your situation:

  • Initial Enrollment Period (IEP): This 7-month window starts 3 months before you turn 65, includes your birthday month, and ends 3 months after. This is the best time to sign up to avoid penalties.
  • General Enrollment Period: If you miss the IEP, you can enroll from January 1 through March 31 each year, but coverage won’t start until July 1 and you may face penalties.
  • Open Enrollment Period: From October 15 to December 7, you can change your Medicare Advantage or Part D plans for the following year. Changes take effect January 1.
  • Medicare Advantage Open Enrollment: From January 1 to March 31, if you already have a Medicare Advantage plan, you can switch to another Advantage plan or return to Original Medicare.

Step 4: Understand the Costs and Penalties

The big cost to consider is the Part B premium. In 2026, it’s $202.90 monthly for most people. If your income is above $109,000 (single) or $218,000 (joint), you’ll pay extra IRMAA surcharges based on your 2024 tax returns.

Part A is usually free if you qualify based on work history. If not, you can buy it for up to $506 per month in 2026.

Part D costs vary by plan, but the average premium is $34.50. There’s also a deductible capped at $615, and out-of-pocket spending caps now apply — like the $2,000 annual limit started in 2025.

Late enrollment penalties stick around for life. For Part B, it’s 10% extra per year you delay signing up after turning 65 without creditable coverage. For Part D, it’s 1% of the national base premium per month you delay.

Step 5: Decide Between Original Medicare and Medicare Advantage

Original Medicare gives you flexibility to see any doctor or hospital accepting Medicare. You can add Part D drug coverage and buy Medigap supplements to cover co-pays and deductibles.

Medigap plans A through N offer different coverage levels, and must be purchased within 6 months after starting Part B to guarantee acceptance.

Medicare Advantage (Part C) plans are offered by private companies approved by Medicare. They include Parts A and B, and usually Part D. These plans often have lower premiums and extra benefits like dental and vision, but you must use their network providers.

Step 6: Apply for Medicare

You can apply online, by phone, or in person:

  1. Online: Visit Ssa.gov/medicare to apply through the Social Security Administration website.
  2. Phone: Call 1-800-MEDICARE (1-800-633-4227) for assistance and information.
  3. In Person: Visit your local Social Security office to apply in person. It’s a good idea to make an appointment.

Apply during your Initial Enrollment Period to avoid late penalties and gaps in coverage.

Step 7: Review Your Prescription Drug Coverage for 2026

If you take prescription drugs, enrolling in a Part D plan is crucial. Original Medicare doesn’t cover most prescriptions. The 2026 changes bring a $2,000 annual out-of-pocket cap on Part D expenses and new drug price negotiations on about 10 medications, potentially lowering your costs.

You can enroll in or change Part D plans during your Initial Enrollment Period or the Open Enrollment Period (Oct 15–Dec 7). If you miss these windows, you may face penalties and higher costs.

Tips for Applying for Medicare in 2026

  • Start your application process 3 months before your 65th birthday to get coverage by your birthday.
  • Check your current health coverage — if you have employer insurance, you might delay Part B without penalty.
  • Compare Medicare Advantage and Original Medicare options carefully, especially if you want extra benefits or flexibility.
  • Use the Medicare Plan Finder tool on Medicare.gov to compare Part D and Advantage plans.
  • Watch out for income-related surcharges (IRMAA) if your income is above thresholds.
  • Remember to enroll in Part D if you need drug coverage to avoid lifelong penalties.

Common Mistakes to Avoid

  • Missing your Initial Enrollment Period and facing late enrollment penalties.
  • Not enrolling in Part D if you take prescription drugs, which can lead to big costs later.
  • Assuming Medicare Advantage plans are available everywhere — some insurers are pulling back in 2026, so check your options early.
  • Failing to review your plan during Open Enrollment, missing out on better premiums or coverage.
  • Waiting to buy Medigap plans after 6 months of starting Part B, risking denial or higher costs.

Applying for Medicare in 2026 means knowing your eligibility, picking the right parts, and enrolling on time. Watch those deadlines: your Initial Enrollment Period lasts 7 months around your 65th birthday. Part B premiums are rising to $202.90, so budget accordingly. Don’t forget about Part D if you need drug coverage — the 2026 changes can help cap your out-of-pocket costs. Whether you choose Original Medicare with Medigap or Medicare Advantage, start your application via ssa.gov/medicare or by calling 1-800-MEDICARE. Checking your options now means fewer surprises and better coverage next year.