A skilled nursing facility (SNF) is a short-term residential care center where patients receive medically necessary rehabilitation and nursing services after a hospital stay. Unlike a traditional nursing home, which serves as a long-term or permanent residence, an SNF is designed to help people recover from surgery, a stroke, a serious injury, or an acute illness and return home. The key distinction: an SNF provides active medical treatment overseen by a professional team, while a nursing home provides ongoing custodial care like help with bathing, dressing, and eating.
What Services SNFs Provide
Skilled nursing facilities offer a range of rehabilitation and medical services that go beyond what a typical nursing home can deliver. These include physical rehabilitation, cardiac care, pulmonary rehab, post-stroke recovery, wound care, and speech therapy. A patient recovering from a hip replacement, for example, would receive daily physical therapy sessions to rebuild strength and mobility before being discharged home.
The therapy intensity at an SNF falls between what you’d get at home and what you’d receive at an inpatient rehabilitation facility (IRF). To put this in perspective, stroke patients at an SNF receive an average of 8.9 hours of therapy per week, compared to 17.5 hours per week at an IRF. An IRF also has a rehab specialist physician on-site who sees patients three times a week, while an SNF requires a physician to evaluate patients within 30 days of arrival but doesn’t need a doctor on-site around the clock. If you need the most intensive rehabilitation possible, an IRF may be more appropriate. But for many patients, an SNF provides the right balance of medical oversight and therapy.
Both SNFs and nursing homes can handle some of the same basic medical tasks: medication management, blood sugar testing, insulin injections, dialysis, and help with daily activities. The difference is that an SNF layers specialized rehabilitation on top of those basics, with a specific goal of discharging you once you’ve recovered enough.
Staffing and Quality Oversight
Federal law requires every SNF to have at least one registered nurse (RN) on duty for a minimum of 8 consecutive hours every day, 7 days a week. Outside those hours, either an RN or a licensed practical nurse must be present 24 hours a day. Beyond that federal floor, there is no national standard for the ideal number of staff per resident, which means staffing levels vary widely from facility to facility.
SNFs are regulated by the Centers for Medicare & Medicaid Services (CMS) and state health departments. To maintain certification, facilities must meet strict quality criteria and undergo periodic inspections. CMS also tracks 30-day hospital readmission rates as a performance measure. The national median readmission rate for SNFs is about 20%, meaning roughly one in five patients ends up back in the hospital within a month of admission. The best-performing facilities (10th percentile) have rates around 17.9%, while the worst performers reach 22.6% or higher. You can compare facilities using Medicare’s Care Compare tool online.
How Medicare Covers SNF Stays
Medicare Part A covers skilled nursing facility care, but only if you meet a set of specific requirements. The most important one is the three-day rule: you must have a qualifying inpatient hospital stay of at least 3 consecutive days before entering the SNF. The day you’re admitted counts, but the day you’re discharged does not. Time spent in the emergency room or under “observation status” before formal admission does not count toward those 3 days, even if you stayed overnight. This distinction catches many people off guard.
You must also enter the SNF within 30 days of leaving the hospital, and the skilled care you receive must be related to the condition that put you in the hospital. If you meet these criteria, Medicare covers the first 20 days at no cost to you. For days 21 through 100, you pay a daily coinsurance of $217 (2026 rate). After day 100, Medicare stops covering SNF care entirely for that benefit period.
There are some exceptions to the three-day rule. If your doctor participates in an Accountable Care Organization or another approved Medicare initiative, the requirement may be waived. Medicare Advantage plans can also waive it. And if you leave an SNF and return within 30 days, you don’t need another qualifying hospital stay to resume benefits.
One critical point: Medicare does not cover custodial care. If your stay at a facility is primarily for help with daily activities rather than active rehabilitation or skilled medical treatment, Medicare will not pay for it. That type of long-term nursing home care must be covered through private funds, Medicaid, or long-term care insurance.
What SNF Stays Actually Cost
The national average cost for a semi-private room in a skilled nursing facility is about $308 per day, or roughly $112,000 per year. Private rooms cost more. If Medicare is covering your stay, you won’t pay anything for the first 20 days, and your out-of-pocket cost for days 21 through 100 is the $217 daily coinsurance. Many people have supplemental insurance (Medigap) that covers part or all of that coinsurance.
For patients who exhaust their Medicare benefit or don’t qualify, the full daily rate applies. This is where long-term care insurance, personal savings, or Medicaid eligibility become important financial considerations.
What Happens When You’re Admitted
When you enter an SNF, the facility must have physician orders in place for your immediate care. Staff then conduct a comprehensive assessment covering your cognitive function, physical abilities, mood, skin condition, nutritional status, medications, and more. This assessment uses a standardized tool called the Minimum Data Set, which helps the care team build your individualized plan of care.
The assessment process involves direct observation and communication with you, not just a review of your hospital records. Staff across all shifts contribute their observations. Your treatment plan includes specific therapy goals, the types and frequency of skilled services you’ll receive, and a preliminary discharge timeline.
How Discharge Planning Works
Discharge planning starts the day you’re admitted. The care team works with you (and your family, if you consent) to identify where you’ll go after the SNF, what follow-up care you’ll need, and whether anyone at home can help with tasks you’re not yet able to do independently.
If you’re interested in returning to the community rather than transferring to a long-term care setting, the facility is required to make referrals to local agencies that can help with the transition. If you’re being transferred to another facility, staff must help you compare options using publicly available quality data. Before you leave, the SNF creates a post-discharge plan of care that specifies your new living arrangement, scheduled follow-up appointments, and any medical or supportive services you’ll need. The goal is to make the transition safe, orderly, and as smooth as possible.