Medicare and Medicare Advantage Plans: A definitive guide to how they work together.
- Alexander Efroymson
- Jan 16
- 4 min read
Navigating the world of healthcare can be complex, especially when it comes to understanding the differences and interactions between Medicare and Medicare Advantage Plans. This guide aims to clarify how these two systems work together to provide comprehensive healthcare coverage.

What is Medicare?
Medicare is a federal health insurance program primarily for people aged 65 and older, but it also covers certain younger individuals with disabilities and those with End-Stage Renal Disease. Medicare is divided into four parts:
Part A (Hospital Insurance): Covers inpatient hospital stays, care in a skilled nursing facility, hospice care, and some home health care.
Part B (Medical Insurance): Covers certain doctors’ services, outpatient care, medical supplies, and preventive services.
Part C (Medicare Advantage): An alternative to Original Medicare that offers additional benefits.
Part D (Prescription Drug Coverage): Helps cover the cost of prescription drugs.
What is Medicare Advantage?
Medicare Advantage Plans, also known as Part C, are offered by private insurance companies approved by Medicare. These plans provide all the benefits of Part A and Part B, and often include additional benefits such as vision, dental, and hearing coverage. Many Medicare Advantage Plans also include Part D prescription drug coverage. And there are many plans out there with zero cost per month!
How to Qualify for Medicare?
Qualifying for Medicare is primarily based on age, disability status, and certain medical conditions. Here’s a detailed look at the eligibility criteria:
Age-Based Eligibility (Turning 65):
Automatic Enrollment: If you are already receiving Social Security or Railroad Retirement Board benefits, you will be automatically enrolled in Medicare Parts A and B starting the first day of the month you turn 65.
Manual Enrollment: If you are not receiving these benefits, you will need to sign up for Medicare during your Initial Enrollment Period (IEP), which begins three months before you turn 65 and ends three months after your 65th birthday.
Disability-Based Eligibility (Under 65 with a Disability):
Automatic Enrollment: If you have been receiving Social Security Disability Insurance (SSDI) for 24 months, you will be automatically enrolled in Medicare Parts A and B starting the 25th month of receiving SSDI benefits.
End-Stage Renal Disease (ESRD): If you have ESRD, you can qualify for Medicare at any age if you meet certain criteria, such as needing regular dialysis or a kidney transplant.
Specific Medical Conditions
Amyotrophic Lateral Sclerosis (ALS):
Automatic Enrollment: If you are diagnosed with ALS (also known as Lou Gehrig’s disease), you will be automatically enrolled in Medicare Parts A and B the month your disability benefits begin.
Additional Considerations
U.S. Citizenship or Legal Residency: To qualify for Medicare, you must be a U.S. citizen or a legal resident who has lived in the U.S. for at least five consecutive years.
Work History: For premium-free Part A, you or your spouse must have worked and paid Medicare taxes for at least 10 years (40 quarters). If you do not meet this requirement, you can still get Part A by paying a monthly premium.
Steps to Verify Eligibility
Check Your Social Security Statement: Review your statement to see if you have enough work credits to qualify for premium-free Part A.
Contact Social Security: If you have questions about your eligibility, contact the Social Security Administration (SSA) at 1-800-772-1213 or visit your local SSA office.
Use Online Tools: The Medicare website offers tools to help you determine your eligibility and understand your benefits.

How Do Medicare and Medicare Advantage Work Together?
When you enroll in a Medicare Advantage Plan, you are still part of the Medicare program. However, instead of receiving your benefits through Original Medicare (Parts A and B), you receive them through your Medicare Advantage Plan. Here’s how they work together:
Coverage: Medicare Advantage Plans must cover all the services that Original Medicare covers. However, they can offer additional benefits that Original Medicare does not, such as routine dental and vision care.
Costs: Medicare Advantage Plans may have different cost structures compared to Original Medicare. They often have lower out-of-pocket costs but may require you to use a network of doctors and hospitals.
Coordination of Care: Many Medicare Advantage Plans offer coordinated care, which can lead to better health outcomes. This means your healthcare providers communicate with each other to manage your care more effectively.
Flexibility: Medicare Advantage Plans often provide more flexibility in terms of additional benefits and services, which can be tailored to meet your specific health needs.
Choosing Between Original Medicare and Medicare Advantage Plans
Deciding between Original Medicare and a Medicare Advantage Plan depends on your individual health needs and preferences. Here are some factors to consider:
Healthcare Needs: If you require additional services like dental, vision, or hearing care, a Medicare Advantage Plan might be more suitable.
Provider Choice: Original Medicare allows you to see any doctor or hospital that accepts Medicare, while Medicare Advantage Plans may require you to use a network of providers.
Cost: Compare the out-of-pocket costs, premiums, and coverage options of both Original Medicare and Medicare Advantage Plans to determine which is more cost-effective for you.
Conclusion
Understanding how Medicare and Medicare Advantage Plans work together can help you make informed decisions about your healthcare coverage. Whether you choose Original Medicare or a Medicare Advantage Plan, it’s important to review your options annually and select the plan that best meets your needs.
Throughout my career, I’ve had the privilege of helping many individuals navigate their Medicare options and find the coverage that best suits their needs. I understand that this process can be overwhelming, but I’m here to support you every step of the way. If you have any questions or need further assistance, please don’t hesitate to reach out. Your health and peace of mind are my top priorities.
Ready to get started? Contact me today to schedule a consultation and take the first step towards securing your Medicare coverage. Together, we can ensure you have the right plan for your needs.
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