Medicare can pay for a stay in a skilled nursing facility after a hospital stay, but only if you meet several specific requirements. The coverage is temporary, lasting up to 100 days per benefit period, and it only applies to skilled care like physical therapy or nursing services. Medicare does not pay for long-term nursing home care.
The 3-Day Hospital Stay Rule
The most important requirement is also the one that catches people off guard: you must have been formally admitted as an inpatient to the hospital for at least three consecutive days before Medicare will cover any skilled nursing facility care. The day you’re discharged doesn’t count toward the three days, but the day you’re admitted does. So if you’re admitted on a Monday, Tuesday and Wednesday count as your three overnights, and you could be discharged Thursday and still qualify.
This rule has been in place for decades and acts as a screening mechanism to ensure Medicare only covers short-term rehabilitation needs following a genuine hospitalization. You also need to enter the skilled nursing facility within 30 days of leaving the hospital, and the care you receive there must be related to the condition that put you in the hospital in the first place.
Why “Observation Status” Can Disqualify You
Here’s the part that surprises many people: you can spend several days in a hospital bed, receive treatment from nurses and doctors, sleep there overnight, and still not qualify for the 3-day rule. That’s because hospitals sometimes classify patients as “outpatient under observation” rather than formally admitting them as inpatients. Time spent under observation does not count toward the three-day requirement.
The distinction has nothing to do with how sick you feel or where you’re physically located in the hospital. It’s an administrative classification your doctor makes. If you’re placed under observation, the hospital is required to give you a written notice called a Medicare Outpatient Observation Notice (MOON), which explains your status and warns you that it may affect what you pay for care after leaving the hospital. If you receive this notice, ask your care team whether you can be switched to inpatient status. You have the right to ask, though the hospital isn’t required to change it.
What Medicare Actually Covers
Assuming you meet the 3-day rule, Medicare Part A covers care in a skilled nursing facility, not a traditional nursing home stay in the way most people picture it. The distinction matters. Medicare pays for skilled care: services that require trained professionals like registered nurses, physical therapists, occupational therapists, or speech-language pathologists. Examples include intravenous medications, wound care, physical therapy after a hip replacement, or speech therapy after a stroke.
What Medicare won’t cover is custodial care, which includes help with everyday activities like bathing, dressing, eating, and getting around. If the only care you need is custodial, Medicare won’t pay for a nursing facility stay even if you had a qualifying hospital stay. The key question Medicare asks is whether you need daily skilled services to treat, manage, or observe your condition, or to prevent it from getting worse.
The 100-Day Limit and What You’ll Pay
Medicare covers up to 100 days in a skilled nursing facility per benefit period, but the cost sharing changes at day 21:
- Days 1 through 20: Medicare pays in full. You owe nothing beyond the Part A deductible you may have already paid for your hospital stay.
- Days 21 through 100: You pay a daily coinsurance amount. In 2025, that’s $209.50 per day. In 2026, it rises to $217.00 per day. If you have a Medigap policy, it may cover some or all of this coinsurance.
- After day 100: Medicare coverage ends entirely. You’re responsible for the full cost.
A benefit period starts the day you’re admitted to a hospital and ends when you’ve been out of a hospital or skilled nursing facility for 60 consecutive days. If you’re readmitted to the hospital after that 60-day gap, a new benefit period begins and the 100-day clock resets.
Most people don’t use all 100 days. Medicare will stop paying before day 100 if your care team determines you no longer need daily skilled services. Coverage can also end if you’re no longer making progress or if the goal shifts from rehabilitation to maintenance that doesn’t require skilled professionals.
Medicare Advantage Plans May Have Different Rules
If you have a Medicare Advantage plan (Part C) instead of Original Medicare, your coverage for skilled nursing facility care may work differently. Many Medicare Advantage plans have received waivers from the 3-day hospital stay requirement, meaning they can cover skilled nursing facility care even without a qualifying inpatient stay. However, these plans often require you to use facilities within their network and may have different cost-sharing structures. Check your plan’s specific benefits, because the rules vary significantly from one insurer to another.
What Happens After Medicare Coverage Ends
Once Medicare stops covering your skilled nursing facility stay, whether at day 100 or earlier, you’re responsible for the full cost. If you need ongoing long-term care in a nursing home, Medicare will not pay for it. This is one of the most widely misunderstood aspects of the program. Medicare explicitly states it does not cover long-term care, including extended nursing home stays for people who need help with daily activities but don’t require skilled medical services.
At that point, the options for paying are limited: personal savings, long-term care insurance (if you purchased a policy before needing care), or Medicaid, which does cover long-term nursing home care for people who meet strict income and asset requirements. Many families face this transition unexpectedly, which is why understanding the 100-day limit matters well before you’re in the middle of a hospital discharge.