What 3 factors is Medicare coverage based on?

Asked by: Dr. Sophia Hayes  |  Last update: November 12, 2025
Score: 4.4/5 (31 votes)

Medicare coverage is based on 3 main factors:
  • Federal and state laws.
  • National coverage decisions Medicare makes.
  • Local coverage decisions made by Medicare claims processing companies in each state. These companies decide if something is medically necessary and Medicare should cover it in their area.

What are the 3 qualifying factors for Medicare?

Medicare Part A (Hospital Insurance) and Medicare Part B (Medical Insurance) are available to the individuals below:
  • Age 65 or older.
  • Disabled.
  • End-Stage Renal Disease (ESRD)

What are the 3 parts of Medicare?

There are four parts of Medicare: Part A, Part B, Part C, and Part D.
  • Part A provides inpatient/hospital coverage.
  • Part B provides outpatient/medical coverage.
  • Part C offers an alternate way to receive your Medicare benefits (see below for more information).
  • Part D provides prescription drug coverage.

What three conditions are primarily eligible to receive coverage under the Medicare rules?

Eligibility and benefits vary considerably from State to State. Medicare insurance is available for people age 65 or older, younger people with disabilities and people with End Stage Renal Disease.

What are 3 services not covered by Medicare?

We don't cover these routine items and services: Routine or annual physical checkups (visit Medicare Wellness Visits to learn about exceptions). exams required by third parties, like insurance companies, businesses, or government agencies. Eye exams for prescribing, fitting, or changing eyeglasses.

Working past 65? Avoid these HUGE Medicare mistakes.

23 related questions found

What three types of coverage are provided by Medicare?

Medicare Advantage (Part C)
  • Part A (Hospital Insurance)
  • Part B (Medical Insurance)
  • Part D (Medicare Drug Coverage)

Does Medicare cover 100% of medical bills?

Medicare covers 80% of approved expenses, after you meet an annual deductible. When you sign up for Medicare, you will have options on the amount you pay: You pay 20% of the Medicare-approved amount after you meet the annual deductible.

What are the 6 things Medicare doesn't cover?

Some of the items and services Medicare doesn't cover include:
  • Eye exams (for prescription eyeglasses)
  • Long-term care.
  • Cosmetic surgery.
  • Massage therapy.
  • Routine physical exams.
  • Hearing aids and exams for fitting them.

What are the three entitlement reasons for receiving Medicare?

Medicare is health insurance for people 65 or older. You may be eligible to get Medicare earlier if you have a disability, End-Stage Renal Disease (ESRD), or ALS (also called Lou Gehrig's disease).

Does everyone have to pay $170 a month for Medicare?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

What is the best Medicare plan that covers everything for seniors?

Original Medicare with Medigap likely offers the most comprehensive coverage, but it may also be the most costly. A person can consider their income and how much they are able to spend before choosing a Medicare plan. Original Medicare with Medigap also offers a lot of flexibility when choosing a doctor or specialist.

What is the biggest disadvantage of the Medicare Advantage plan?

Medicare Advantage Plan Pros And Cons

One disadvantage is that some Medicare Advantage plans may offer fewer options when it comes to doctors and hospitals, as they may have smaller plan networks than Original Medicare.

How long will Medicare pay for home health care?

You can continue to receive home health care for as long as you qualify. However, your plan of care must be recertified every 60 days by your doctor. Your doctor may make changes to the hours you are receiving or other services, depending on whether the level of care you are receiving is still reasonable and necessary.

Can I drop my employer health insurance and go on Medicare Part B?

Once you stop working (or lose your health insurance, if that happens first) you have an 8-month Special Enrollment Period (SEP) when you can sign up for Medicare (or add Part B to existing Part A coverage).

Is it a good idea to get Medicare if you're still working at 65?

If your or your spouse's employer has 20 or more employees and a group health plan, you don't have to sign up for Medicare at 65. But if you get Medicare Part A for free, typically you should sign up. (After all, it's free.) In some cases, Medicare Part A may cover what your employer plan doesn't.

Can I get Medicare if I never worked but my husband did?

If you do not have at least 40 calendar quarters of work during which you paid Social Security taxes in the U.S., but your spouse does, you may be eligible for premium-free Medicare Part A based on your spouse's work history when you turn 65.

What income is used to determine Medicare premiums?

This is based on your "modified adjusted gross income" (MAGI). Your MAGI is your total adjusted gross income and tax-exempt interest income.

Is Medicare free at age 65?

Medicare Part A (hospital insurance)

You're eligible for Part A at no cost at age 65 if 1 of the following applies: • You receive or are eligible to receive benefits from Social Security or the Railroad Retirement Board (RRB).

What is the medical necessity criteria for Medicare?

Medicare defines “medically necessary” as health care services or supplies needed to diagnose or treat an illness, injury, condition, disease, or its symptoms and that meet accepted standards of medicine. Each state may have a definition of “medical necessity” for Medicaid services within their laws or regulations.

Why are people leaving Medicare Advantage plans?

Key takeaways: People leave Medicare Advantage plans because out-of-pocket costs vary between plans, network restrictions can cause frustration, prior authorization requests can delay care, and it can be difficult to use the additional benefits they provide.

What blood tests does Medicare not cover for seniors?

It's important to know that Medicare won't cover any blood test if it isn't medically necessary. If you seek a blood test on your own, it's unlikely you'll get it covered. Tests not covered may include those for employment purposes, wellness screenings, or routine monitoring without medical necessity.

How much money does Medicare allow you to have in the bank?

This means individuals can have any amount of assets and still qualify for a Medicare Savings Program. Assets are things that you own, such as bank accounts, cash, second homes and vehicles.

What is the best medical insurance for seniors?

Medicare. Medicare is a federally funded insurance program for eligible participants 65 or over. Medicare has two parts, Part A (Hospital Insurance) and Part B (Medical Insurance). Medicare does not cover 100% of all costs.

What will Medicare not reimburse for?

Certain services are never considered for payment by Medicare. These include preventive examinations represented by CPT codes 99381-99397. Medicare only covers three immunizations (influenza, pneumonia, and hepatitis B) as prophylactic physician services.