Skilled Nursing Facilities: What Medicare Actually Covers

Skilled nursing is round-the-clock, licensed medical care: wound care, IV or injectable medications, tube feeding, physical or occupational therapy, and complex medical monitoring that requires a nurse or therapist, not just personal-care help. It differs from assisted living in kind, not just degree — assisted living provides help with daily tasks; skilled nursing provides actual medical treatment delivered by licensed staff.

Skilled nursing facilities also provide short-term rehabilitation after a hospital stay — this is the most common way people actually encounter one, and it’s where Medicare’s coverage applies.

All of the following have to be true, not just some of them:

• A qualifying inpatient hospital stay of at least 3 consecutive days — not counting the day of discharge, and not counting time spent under "observation status" (more on that below).
• Admission to a Medicare-certified skilled nursing facility within 30 days of that hospital discharge.
• A doctor certifies you need daily skilled nursing care or skilled rehabilitation services.
• The care given actually requires the involvement of skilled nursing or therapy staff — care that could be given by non-professional staff doesn’t qualify, even if it happens inside a skilled nursing facility.

Miss any one of these and Medicare doesn’t cover the stay — including the single most common reason families are caught off guard, covered next.

A hospital stay can look, feel, and even be billed like a normal admission while actually being classified as "observation" rather than formal inpatient status — a distinction made by the hospital for billing and regulatory reasons that has nothing to do with how sick someone is or how many nights they spend in a bed. Observation status does not count toward the 3-day qualifying stay, at all, no matter how many nights were spent in the hospital.

This has caught enough families off guard that it’s worth asking directly, while still in the hospital: "Am I formally admitted as an inpatient, or am I under observation?" The hospital is required to tell you if you ask, and for stays that may lead to a nursing facility, this single question can be the difference between a covered stay and a fully out-of-pocket one.

Medicare Part A’s skilled nursing facility benefit runs up to 100 days per benefit period, in three tiers: days 1–20 are covered in full, no coinsurance. Days 21–100 require a daily coinsurance amount that Medicare sets and adjusts annually — check medicare.gov’s current SNF coverage page for this year’s exact figure rather than relying on a number that will be out of date by the time you need it. Day 101 onward, you pay the full cost yourself.

A Medigap (Medicare Supplement) policy can cover some or all of the days 21–100 coinsurance, if you have one — worth checking your specific policy. If your break in skilled care lasts 60 days or more, your benefit period resets and a new 100-day benefit becomes available, but that requires a fresh qualifying hospital stay to trigger it again.

Medicare coverage stops when the skilled-care need itself ends — if you’re no longer improving with therapy, or no longer need daily skilled nursing, coverage can end well before day 100, even if you still need help with daily activities. That remaining help is custodial care, and Medicare does not cover it, in a skilled nursing facility or anywhere else.

If ongoing nursing-home-level custodial care is needed after the skilled benefit ends, that becomes a private-pay or Medicaid question, not a Medicare one — Medicaid covers long-term nursing home care for those who qualify financially, which is a genuinely different and more involved eligibility process than the Medicare rules above.

For the far more common outcome — recovering enough to go home — our guides on what to expect after hospital discharge, post-hospital care setup, and preventing hospital readmission cover that transition directly.