Unit
- Medicare: A federal health insurance program in the United States for individuals aged 65 and older, as well as certain younger people with disabilities or end-stage renal disease. It is administered by the Centers for Medicare & Medicaid Services (CMS) and is funded through payroll taxes, premiums, and general revenue.
- Parts of Medicare: The program is divided into four parts. Part A covers hospital stays, skilled nursing, home health, and hospice. Part B covers doctor visits, outpatient care, and preventive services. Part C (Medicare Advantage) bundles Parts A and B and often Part D, offered by private insurers. Part D provides prescription drug coverage.
- Original Medicare vs. Medicare Advantage: Original Medicare (Parts A and B) is fee-for-service, allowing beneficiaries to see any provider that accepts Medicare. Medicare Advantage (Part C) is managed care, typically with network restrictions but may offer extra benefits like vision or dental.
- Medigap: Also known as Medicare Supplement Insurance, Medigap policies help pay out-of-pocket costs not covered by Original Medicare, such as deductibles, coinsurance, and copayments. These are standardized and sold by private companies.
- Eligibility: Most people become eligible at age 65 if they or their spouse have worked and paid Medicare taxes for at least 10 years. Individuals under 65 may qualify with certain disabilities or conditions like Lou Gehrig's disease (ALS) or end-stage renal disease (ESRD).
- Enrollment Periods: The Initial Enrollment Period (IEP) is the seven-month window around the 65th birthday (three months before, the month of, and three months after). Missing this window can result in late enrollment penalties for Part B and Part D.
- Premium-Free Part A: Most beneficiaries do not pay a premium for Part A if they have at least 40 work credits. Those with fewer credits can purchase Part A at a monthly premium.
- Part B Premium: The standard Part B premium is set each year and is income-adjusted, meaning higher-income beneficiaries pay more through Income-Related Monthly Adjustment Amounts (IRMAA).
- Part D Late Enrollment Penalty: If a beneficiary goes 63 days or more without creditable prescription drug coverage after their Initial Enrollment Period ends, a late enrollment penalty may apply. This penalty is calculated as 1% of the national base beneficiary premium multiplied by the number of uncovered months and is added to the monthly Part D premium for as long as coverage is maintained.
- Special Enrollment Periods (SEPs): Certain life events, such as losing employer coverage, moving out of a plan's service area, or qualifying for Extra Help, trigger Special Enrollment Periods. These allow beneficiaries to enroll in or change Medicare plans outside the standard annual enrollment windows without incurring penalties.
- Medicare Savings Programs (MSPs): State-run programs help low-income beneficiaries pay Medicare premiums, deductibles, and coinsurance. The four main MSPs are Qualified Medicare Beneficiary (QMB), Specified Low-Income Medicare Beneficiary (SLMB), Qualifying Individual (QI), and Qualified Disabled and Working Individuals (QDWI). Eligibility is based on income and asset limits set by each state.
Financial Formula
Late Enrollment Penalty for Part B
Penalty = 10% × (Number of full 12-month periods delayed) × Standard Part B Premium
Penalty = 10% × (Number of full 12-month periods delayed) × Standard Part B Premium
Where:
- Number of full 12-month periods delayed: Counted from the end of the Initial Enrollment Period until enrollment. Each 12-month period incurs a 10% surcharge.
- Standard Part B Premium: The base monthly premium set by CMS for the current year (e.g., $164.90 in 2023).
- Result: The penalty is added to the monthly Part B premium for as long as the beneficiary has Part B.
Quick Revision
- Medicare is a federal health insurance program for people 65+ and certain younger individuals with disabilities.
- The program includes Part A (hospital), Part B (medical), Part C (Advantage), and Part D (drugs).
- Original Medicare is fee-for-service; Medicare Advantage is managed care often with extra benefits.
- Medigap policies supplement Original Medicare by covering out-of-pocket costs.
- Eligibility is generally at age 65 with sufficient work credits; younger individuals may qualify via disability or ESRD.
- The Initial Enrollment Period is a seven-month window around the 65th birthday; late enrollment triggers penalties.
- Part A is premium-free for most; Part B premiums are income-adjusted.