Understanding Medicare Parts A and B: A Comprehensive Guide
- Max
- Dec 16, 2024
- 4 min read

Navigating Medicare can be overwhelming, especially when you're new to the program. Medicare is a federal health insurance program primarily for people aged 65 and older, but also for some younger people with disabilities and those with End-Stage Renal Disease. The program is divided into different parts, each covering specific services. In this article, we'll focus on Medicare Parts A and B, often referred to as "Original Medicare."
Medicare Part A: Hospital Insurance
What It Covers: Medicare Part A is often called hospital insurance because it primarily covers inpatient hospital care. Here’s what’s included under Part A:
Inpatient Hospital Stays: This includes semi-private rooms, meals, general nursing, and drugs as part of your inpatient treatment. It also covers care in critical access hospitals, inpatient rehabilitation facilities, and long-term care hospitals.
Skilled Nursing Facility (SNF) Care: After a qualifying hospital stay, Medicare Part A covers skilled nursing care in a SNF for a limited time, typically up to 100 days. This is for patients who need specialized care or rehabilitation but not full-time hospital care.
Hospice Care: For those with a terminal illness, Part A covers hospice care, including services to help manage symptoms and provide support for the family. This can include care at home or in a hospice facility.
Home Health Care: If your doctor determines you need intermittent skilled nursing care, physical therapy, speech-language pathology, or continued occupational therapy, Medicare Part A may cover these services.
Costs Associated with Part A:
Premium: Most people don’t pay a monthly premium for Part A if they or their spouse paid Medicare taxes while working (this is called "premium-free Part A"). If you haven't worked enough quarters, you may still get Part A by paying a premium.
Deductible: In 2024, the Part A deductible is $1,632 per benefit period. A benefit period begins the day you’re admitted to a hospital and ends when you haven’t received any inpatient care (or skilled care in a SNF) for 60 days in a row.
Coinsurance: After you meet the deductible, there may be coinsurance costs. For example, you pay $0 for the first 60 days of inpatient care each benefit period. Beyond 60 days, you’ll pay a coinsurance amount that increases the longer you stay.
Medicare Part B: Medical Insurance
What It Covers: Medicare Part B covers medically necessary services and preventive care. This includes:
Doctor Visits: Whether it’s your primary care physician or a specialist, Part B helps cover the cost of doctor visits.
Outpatient Care: This includes outpatient procedures, lab tests, and X-rays.
Preventive Services: Part B covers many preventive services, such as flu shots, mammograms, screenings for diabetes, cardiovascular disease, and cancer, as well as annual wellness visits.
Durable Medical Equipment (DME): Part B helps pay for DME like wheelchairs, walkers, and hospital beds prescribed by a doctor for use at home.
Mental Health Services: This includes outpatient mental health care, such as counseling, psychiatric evaluations, and therapy.
Ambulance Services: If you need ambulance transportation to a hospital or skilled nursing facility and other transportation could endanger your health, Part B covers these costs.
Costs Associated with Part B:
Premium: Unlike Part A, Part B requires a monthly premium. The standard premium for 2024 is $174.70, but this can be higher if your income exceeds a certain threshold.
Deductible and Coinsurance: The Part B deductible in 2024 is $233. After you meet your deductible, you typically pay 20% of the Medicare-approved amount for most doctor services, outpatient therapy, and DME.
How Parts A and B Work Together
Parts A and B together provide broad health coverage, but they don't cover everything. For example, Medicare doesn’t cover long-term care, most dental care, vision care, hearing aids, or routine foot care. Additionally, while Part A covers inpatient hospital care, Part B covers outpatient services and doctor visits, making them complementary.
Enrollment and Eligibility
Eligibility: Most people become eligible for Medicare at age 65. If you’re receiving Social Security benefits, you’ll be automatically enrolled in Part A and Part B. If you’re not automatically enrolled, you can sign up during your Initial Enrollment Period (IEP), which begins three months before you turn 65 and ends three months after your 65th birthday.
Late Enrollment Penalty: If you don’t sign up for Part B when you’re first eligible, you may have to pay a late enrollment penalty for as long as you have Part B coverage. The penalty increases the longer you delay enrollment.
Medicare and Employer Insurance: If you’re still working and have employer health insurance, you may want to delay Part B enrollment. However, it’s important to understand the rules around Medicare and employer coverage to avoid penalties.
Conclusion
Medicare Parts A and B provide essential health coverage for millions of Americans. Understanding what each part covers, and the associated costs can help you make informed decisions about your healthcare needs in retirement. However, everyone's situation is different, so it's important to consult with a professional who can help you navigate your options and tailor a plan to your unique needs. If you have any questions or need personalized guidance, feel free to reach out to my team—we're here to help you make the best decisions for your future.
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