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What inpatient rehab is — and how it differs from a nursing facility

After a stroke, a major orthopaedic operation or a serious injury, the question is rarely "rehab or not". It is which intensity, and that decision is usually made in the hospital, quickly, by people you have just met.

The dividing line is intensity

An inpatient rehabilitation facility (IRF) is a hospital-level setting. Patients are expected to tolerate and benefit from an intensive therapy programme — in practice usually around three hours of therapy a day, most days of the week — with daily oversight by a rehabilitation physician and a coordinated interdisciplinary team.

A skilled nursing facility (SNF) delivers therapy at a lower intensity, with physician involvement measured in visits rather than daily rounds. It suits patients who need rehabilitation but cannot sustain, or do not require, the IRF programme.

"Acute rehab" and "subacute rehab" are the informal names for the same split: acute means the IRF, subacute means the SNF-based programme.

How the choice gets made

A hospital discharge planner assesses what the patient can tolerate and what their insurance will authorise. The clinical test is genuine: a patient who cannot participate in intensive therapy will not benefit from being placed where it is required. But bed availability and payer authorisation shape the outcome too.

Families can ask directly: was an IRF considered, and if not, on what grounds? The answer should be clinical.

Comparing on the record

There are 1,222 Medicare-certified IRFs in the country. Unlike nursing homes they carry no star rating — but CMS publishes quality measures for each and, importantly, categorises each facility against the national benchmark in its own words: better than, no different than, or worse than.

The measures worth reading first:

  • Rate of successful return to home or community — the outcome most patients actually want.
  • Potentially preventable readmissions, both during the stay and in the 30 days after discharge.
  • Healthcare-associated infections — catheter-associated urinary tract infections and C. difficile.

Browse inpatient rehabilitation facilities by state →

Where long-term care hospitals fit

A third setting exists for the sickest patients: the long-term care hospital, for people needing extended hospital-level care such as ventilator weaning or complex wound management. There are 311 of them nationally — see what an LTCH is and the facility records.

What Medicare pays

IRF and LTCH stays are inpatient hospital care under Part A, with the inpatient deductible and benefit-period rules. SNF care under Part A is a separate benefit with its own limits — a capped number of covered days per benefit period, with full coverage for an initial stretch and daily coinsurance after that, and a qualifying prior hospital stay requirement that some plans and programmes waive.

Deductibles, coinsurance and day limits change annually and differ under Medicare Advantage. Confirm with Medicare.gov or the plan before relying on figures.

Common questions

Is inpatient rehab the same as a nursing home?

No. An inpatient rehabilitation facility is a hospital-level setting with daily physician oversight and an intensive therapy programme. Skilled nursing facilities provide rehabilitation at a lower intensity.

What is the three-hour rule?

The common shorthand for the expectation that IRF patients can tolerate and benefit from roughly three hours of therapy a day, most days of the week. It reflects the intensity standard rather than a stopwatch requirement.

Do inpatient rehab facilities have star ratings?

No. CMS publishes individual quality measures for them and categorises each against the national benchmark, but does not compute an overall star rating as it does for nursing homes.

Can a patient move from an IRF to a SNF?

Yes, and it is common — a patient may step down to a lower intensity of rehabilitation as they progress, or move up if they become able to tolerate more.

Check a specific provider

Records for 14,690 nursing homes, 5,597 assisted living facilities and 28,152 hospice, home health, dialysis and rehabilitation providers: search by name or city · nursing homes · hospice · home health · dialysis · inpatient rehab · nursing home groups · other ownership groups.

This guide is general information from public sources, not medical, legal, or financial advice. Program rules and dollar figures change annually and vary by state — verify with Medicare.gov, your state Medicaid agency, or a certified elder law attorney before acting.