What is Medicare? Complete 2026 Guide

If you're approaching 65 or have already reached that age, you've probably heard about Medicare. But what exactly is it? How does it work? How much does it cost? What are your options?

This complete guide answers all your Medicare questions. Whether you're starting to think about Medicare or ready to enroll, we'll help you understand this crucial federal program for your health coverage.

What is Medicare and Who Qualifies

Medicare is a federal health insurance program administered by the Centers for Medicare & Medicaid Services (CMS). It provides health coverage to millions of people in the United States.

Who Qualifies for Medicare

You qualify for Medicare if you meet any of these criteria:

• You are 65 or older: This is the most common way to qualify. You can enroll in the month you turn 65.
• Under 65 with a disability: If you've been receiving Social Security disability benefits for 24 months, you qualify for Medicare.
• End-stage renal disease (ESRD): If you have ESRD (permanent kidney failure requiring dialysis or transplant), you're immediately eligible.
• Amyotrophic lateral sclerosis (ALS): If you have this disease, you can receive Medicare the month you start receiving Social Security benefits.

This guide focuses primarily on people 65 and older, though the principles apply to other groups as well.

The 4 Parts of Medicare (A, B, C and D)

Medicare is divided into 4 parts. Understanding what each covers is essential for choosing the right plan.

Part A: Hospital Insurance

Part A covers hospital care, skilled nursing, hospice, and home health services. If you or your spouse paid Medicare taxes for 10+ years, Part A is usually free. The 2026 Part A deductible is $1,600 per benefit period. You pay coinsurance for extended hospital stays.

Part B: Medical Insurance

Part B covers doctor visits, outpatient care, medical equipment, and preventive services. The 2026 standard monthly premium is $185, though higher earners pay more. Part B includes a $240 annual deductible and you typically pay 20% coinsurance after the deductible. All preventive care is covered with no cost-sharing.

Part C: Medicare Advantage

Part C (Medicare Advantage) is an alternative to Original Medicare offered by private insurance companies. MA plans bundle Parts A, B, and D into one plan, often with lower or zero premiums. However, you'll typically pay copays at doctor visits and may have a restricted network.

Part D: Prescription Drug Coverage

Part D covers prescription medications through private insurers. If you don't enroll when first eligible, you may face a permanent late penalty. Part D premiums average $30-50/month, but costs vary by plan and pharmacy.

Original Medicare vs. Medicare Advantage: The Comparison

This is the most important decision you'll make about Medicare. Both options have advantages and disadvantages.

Option 1: Original Medicare + Medigap + Part D

With this option, you have government Medicare coverage (Parts A and B), plus:

• Medigap: A private supplemental insurance that helps pay shared costs
• Part D: Prescription drug coverage from a private insurer

Advantages:

• Maximum flexibility to choose doctors and hospitals
• No network restrictions
• Can change plans during certain periods without waiting

Disadvantages:

• Higher out-of-pocket costs without Medigap
• Must enroll in Part D or face penalties
• Medigap premiums can be high, especially as you age

Option 2: Medicare Advantage

Medicare Advantage generally includes:

• All Part A and B benefits
• Integrated prescription drug coverage (Part D)
• Additional benefits like vision, dental, hearing, transportation

Key advantage: Many Medicare Advantage plans have $0 monthly premiums, which can save you money compared to Original Medicare + Medigap.

Disadvantage: You generally must use doctors within the plan's network, except for emergencies.

Part D: Prescription Drug Coverage

Part D covers prescription medications. If you choose Original Medicare (Parts A and B), you can add prescription drug coverage by selecting a Part D plan from a private insurer.

If you choose Medicare Advantage, drug coverage is generally included in the plan.

Important: If you don't enroll in Part D when eligible, you may face permanent late enrollment penalties.

Conclusion: Next Steps

Medicare doesn't have to be complicated, especially with help. Whether you're in California, Florida, Texas, Arizona, Nevada, Utah, Idaho or Oregon, our team is ready to help. For a detailed guide to Medicare plans and costs specific to California, visit Medicare California.

Don't wait until the last minute. Enrolling in Medicare on time is crucial to avoid penalties and ensure uninterrupted coverage. Contact us today for a free consultation.

Susana Marcos LLC - Medicare Benefits
(310) 597-9142
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