Factors to consider while enrolling in Original Medicare (Parts A and B)

There are two primary components to Medicare, which cooperate to provide coverage for various medical services. Hospital treatment and services rendered in an inpatient hospital environment are covered by Medicare Part A. Outpatient treatment, such as doctor visits, is covered by Medicare Part B.

Eligibility and enrollment in Medicare Parts A and B

The Centres for Medicare & Medicaid Services offer two types of healthcare coverage under Medicare: Part A and Part B. While Part B focuses primarily on doctor visits and other outpatient medical treatment, Part A covers hospitals. These plans aim to give healthcare coverage at a doctor’s office and hospital, not to compete with one another.

The following people are eligible for Medicare Part A and Medicare Part B, which is covered by visit https://www.comparemedicareadvantageplans.org/ to compare 2024 plans:

  • Age 65 or older
  • Disabled
  • End-Stage Renal Disease (ESRD)

Medicare Part A (Hospital Insurance)

Part A is generally provided without charge. However, specific individuals must pay an additional fee. To be eligible for premium-free Part A, a person must be entitled to receive Medicare based on their salary or the wages of a spouse, parent, child, or dependent relative. To qualify for free premium services, Part A requires an individual to qualify for Medicare benefits based on their income or the income of their spouse, parent, child, or other dependant. Whether someone wants Part A due to advanced age, a disability, or end-stage renal disease determines how many QCs are necessary. To acquire QCs, an individual must pay payroll taxes following the Federal Insurance Contributions Act during their working years. Most people pay the total FICA tax for their QCs to be eligible for monthly Social Security payments and premium-free Part A.

Medicare Part A covers medical conditions such as the following:

  • Hospice care
  • Limited home healthcare
  • Short-term skilled nursing facilities
  • Hospital inpatient care

Due to this, Medicare Part A hospital coverage is frequently referred to as such.


It would help if you satisfied one of the requirements listed below to be eligible for Medicare Part A:

  • Be at least 65 years old
  • Suffer from end-stage renal illness
  • Have a medically-determined impairment
  • Been compensated by social security for at least 24 months.
  • Have als, sometimes called lou gehrig’s illness or amyotrophic lateral sclerosis.

You may be eligible for Part A without paying a premium, depending on your (or your spouse’s) job history.


Most Medicare-eligible individuals do not have to pay for Part A. This is true if you or your spouse worked for at least 40 quarters—roughly 10 years—while contributing to Medicare taxes. You can still pay a monthly fee for Medicare Part A even if you didn’t work for 40 quarters.

Medicare Part A Premiums for People Who Must Pay Them Based on Age

enrollment in Medicare Parts

If there is a premium for Part A, people do not automatically receive Medicare when they reach 65. They ought to:

  • To enlist, contact the Social Security Administration by phone.
  • Sign up during a valid enrollment period, and if you don’t already have it, add Part B.

To retain premium Part A, the person must continue to pay all monthly premiums and remain enrolled in Part B. To continue this coverage, the individual must promptly pay the Part B and Part A premiums.   The month after enrollment is when premium Part A coverage starts.

Penalty for Late Enrollment (LEP) for Premium Part A

If a person eventually decides to join in premium Part A after becoming eligible but did not do so, then they could have to pay a higher monthly premium. The Part A monthly premium might rise by as much as 10%. The person will be required to pay the higher premium twice as long as they were eligible for Part A but chose not to enroll.

The number of months between the conclusion of the person’s IEP and the end of the month the individual enrolls is added for those who enlist utilizing the SEP for the Working Aged and Working Disabled. The months you were covered by a group health plan and any enrollments made after your IEP expired are not included in the LEP calculation.

Medicare Part B (Medical Insurance)

enrollment in Medicare Parts

Except for Puerto Ricans, persons who have been in the country for at least 4 months before becoming eligible for Medicare are automatically enrolled in premium-free Parts A and B if they also receive Social Security or RRB benefits. Automatically enrolled individuals can keep or deny their Part B coverage. Puerto Rican residents who meet the requirements for automatic enrollment are only enrolled in the premium-free Part A; Part B is not automatically enrolled for them.

No one is registered automatically if they do not receive Social Security or RRB benefits. Those who previously refused Part B or canceled their Part B membership are only eligible to register (or re-enroll) in Part B during particular enrollment periods. Most of the time, there is a late enrollment fee for Part B coverage if a person doesn’t enroll when they are eligible.

A monthly premium is required for each coverage component under Part B, a voluntary program. The eligibility requirements for Part B depend on whether a person is eligible for Part A coverage that is premium-free or requires payment of a premium.


To be eligible for Medicare Part B, you must be a citizen of the United States and be 65 or older. Anyone who has lived lawfully and consistently in the country for at least five years is also eligible for Medicare Part B.


Your income level and the time you signed up for Medicare will determine how much Part B will cost you. If you signed up for Medicare during the open enrollment period and your income in 2020 did not exceed $91,000, you will have to pay a monthly premium of $175.10 for Medicare Part B.

However, you will pay $578.30 monthly for your Part B premium if you earn $700,000 or more as an individual or more than $990,000 as a couple filing jointly.

The Medicare deductible will be deducted from any advantages from Social Security, the Railroad Retirement Board, or the Office of Personnel Management before those payments are sent to you.

Penalty for Late Enrollment (LEP) for Premium Part B

For as long as they have Medicare, a person who did not register in Part B when first eligible may have to pay a late enrollment fee. The person’s monthly Part B premium might increase by 10% for each complete 12-month period during which they could enroll in Part B but choose not to.

The Part B LEP for those who register to utilize the SEP for the Working Aged and Working Disabled is determined by adding the number of months between the end of the person’s IEP and the month the person enrolls. Months in which you had group health plan coverage are omitted from the enrollment calculation after your IEP has expired.


If you’re a hospital inpatient, Medicare Part A and Part B will likely cover certain costs associated with your stay. For instance, Medicare Part B may pay Part of the physicians or specialists who treat you while you are hospitalized. However, Medicare Part A will pay for your stay and any associated expenditures for a surgical procedure that is deemed medically essential.

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