Medicare at 65: the questions Utahns actually ask
Answers with the number or rule attached, organized by situation. Every figure is for 2026 and sourced on the guide pages.
Still working at 65
Do I have to sign up for Medicare at 65 if I have insurance through work?
Not for Part B if the coverage is from current employment at an employer with 20 or more employees; that plan pays first and you get an 8-month Special Enrollment Period when it ends. Under 20 employees, Medicare pays first, so enroll in Parts A and B during your Initial Enrollment Period.
When should I sign up for Medicare Part B if I am still working?
Any time while the employer coverage continues, or within the 8 months after the job or coverage ends. Enroll in the first month of that window so Part B starts the next month and your Medigap window opens on time.
Does my spouse’s employer plan count?
Yes, if the spouse is actively employed and the employer has 20+ employees. Domestic-partner coverage does not count.
Does COBRA count as employer coverage?
No. COBRA, severance coverage, and retiree plans are not current employment. The penalty clock runs and the coverage pays second to Medicare once you are eligible.
Deadlines and penalties
How many months in advance should I sign up for Medicare?
Three. Enroll in the three months before your birthday month and coverage starts the first of that month; enroll during or after it and coverage starts the first of the following month.
What is the Part B late enrollment penalty?
10% of the standard premium for each full 12-month period you could have had Part B and did not, added for life. At $202.90 in 2026, two years late is $40.58 a month.
What is the Part D late enrollment penalty?
1% of the national base premium ($38.99 in 2026) per uncovered month, rounded to the nearest dime, added to your drug-plan premium for as long as you have coverage. It starts after a gap of 63 days.
What is the General Enrollment Period?
January 1 to March 31 each year, for people who missed both other windows. Coverage starts the first of the month after you sign up; penalties apply.
How long does it take to get Medicare after applying?
Automatic if you already receive Social Security (card arrives about three months before 65). Online applications usually decide within a few weeks; apply early in your window.
Costs and the income surcharge
How much do I have to pay for Medicare when I turn 65?
Part A: usually $0. Part B: $202.90 a month in 2026 plus a $283 annual deductible. Part D: plan premium ($38.99 national base). Medigap or Advantage: plan premium. Higher if your 2024 income was above $109,000 single or $218,000 joint.
What is IRMAA?
The income-related monthly adjustment amount: a surcharge on Part B and Part D for people whose MAGI two years ago exceeded $109,000 (single) or $218,000 (joint). Six tiers, from $95.70 to $578 a month per person combined.
Can I appeal the surcharge if I retired?
Yes. Retirement is a qualifying life-changing event. File form SSA-44 with proof and your estimate of this year’s income.
Does a Roth conversion raise my Medicare premium?
It can, two years later. Conversions at 63 or after should be sized to the next tier line; conversions by 62 never appear on a Medicare-relevant return.
Does Medicare pay for a nursing home?
Only short-term skilled nursing after a qualifying hospital stay (up to 100 days per benefit period, with daily copays after day 20). Long-term custodial care is not covered by Medicare; that is Medicaid, long-term-care insurance, or private pay.
Before 65 and plan choice
How much does health insurance cost from 62 to 65?
COBRA: the full group premium plus 2%, for up to 18 months. Marketplace: age-rated, and since the enhanced subsidies expired after 2025, heavily dependent on income. Get quotes for your zip code before retiring.
Why do people say not to get a Medicare Advantage plan?
Because leaving it later often means buying Medigap through medical underwriting. The plan itself can be fine; the one-way door is the caution.
What is the Medigap open enrollment period?
Six months from the month Part B starts at 65 or older, during which any Medigap insurer must sell you any plan at the standard rate regardless of health.
Does Utah have a Medigap birthday rule?
Yes, since May 7, 2025. For 60 days starting on your birthday each year, your Medigap insurer must let you switch to a comparable or lower-tier plan it offers without medical underwriting. Same insurer only; it does not cover switching carriers or leaving an Advantage plan.
Can I contribute to an HSA after 65?
Only if you are enrolled in no part of Medicare. Part A backdates up to six months when you enroll after 65, so stop contributions six months before applying.
Plan-specific questions (which Medigap or Advantage plan, drug formularies) go to a licensed agent or Utah’s SHIP counselors; we do not sell insurance.
Sources
- Medicare.gov, "Avoid late enrollment penalties"
- Medicare.gov, "When does Medicare coverage start?"
- Medicare.gov, "Medicare costs" (2026)
- Social Security, "Medicare Premiums: Rules for Higher-Income Beneficiaries" (2026 tables; MAGI from your 2024 return)
- Medicare.gov, "How much does Medicare drug coverage cost?" (2026 national base beneficiary premium $38.99)
- Medicare.gov, "When can I buy a Medigap policy?"
- IRS Publication 969, Health Savings Accounts (Medicare and HSA eligibility; retroactive Part A)
- Medicare.gov, Skilled nursing facility care

Talk it through before you decide
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