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What Medicare Care Compare Can and Can't Tell You

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The overall star rating on Care Compare is a composite: it starts with the health-inspection score, then moves up or down based on staffing and quality measures. Knowing that arithmetic changes what you look at. This is how to drive the tool the way a discharge planner does — which numbers are audited, which are the home's own account of itself, and which are graded on a curve against the rest of the state.

Last updated: July 2026

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What is Medicare Care Compare?

Care Compare is the federal government's official tool for finding and comparing Medicare- and Medicaid-certified providers, and it carries a profile for every certified nursing home in the country 1. It is free, it needs no account, and it is not a directory anyone paid to appear in. The data behind the nursing-home rail comes from state inspections and from payroll records — not from the home's marketing department.

That last distinction is the whole reason to start here. Most senior-care websites that rank facilities are lead-generation businesses, and a home appears on them because it bought placement. Care Compare has no such mechanism. Every certified home is on it, including the ones that would rather not be.

On Care Compare, nobody paid to be listed. That is not true of most sites that rank nursing homes.

The same site carries hospitals, home health agencies, dialysis facilities, doctors, and hospices 1. Each rail runs on its own measure set — care compare for hospice, for instance, is scored on an entirely different set of questions, and none of the star arithmetic below carries over to it. Everything here is about the nursing-home rail.

What sits on a nursing home's page. An overall star rating, three domain ratings underneath it, health-inspection results, and staffing information 1 2. The same underlying data is also published as a plain downloadable file — the Provider Information dataset in the CMS Provider Data Catalog, which carries per-facility certified beds, star ratings, staffing measures, and quality-measure scores for every certified nursing home in the United States 3. If you want to sort every home in a metro area by a single number, that file is how. The website will not do it for you.

If a community you are considering does not appear on Care Compare at all, that itself is information. It usually means the place is not a certified nursing home, and it is worth confirming which licence it actually holds before you compare it to one.

How is the overall star rating actually built?

The CMS Five-Star Quality Rating System gives every certified nursing home an overall rating of one to five stars, plus three separate ratings underneath it: health inspections, staffing, and quality measures 2. The overall star is not an average of the three. It is the health-inspection rating, moved up or down by the other two 4.

The arithmetic, in the order CMS applies it 4:

  • Start with the health-inspection rating. That is the base. Everything else is a modifier.
  • Add one star if the staffing rating is four or five stars and higher than the health-inspection rating.
  • Subtract one star if the staffing rating is one star.
  • Add one star if the quality-measure rating is five stars. Subtract one if it is one star.
  • The result is capped at five and floored at one, and a home with a one-star health-inspection rating cannot be lifted above two stars overall.

Read that list twice and you can see what a nursing home star rating really is: an inspection grade with two modifiers bolted on. Which means two four-star homes can be built completely differently. One may have a three-star inspection record lifted by strong staffing. The other may have a five-star inspection record dragged down to four by a one-star quality score. Same badge. Different buildings. Different risks.

The overall star starts as the health-inspection rating; staffing and quality measures can each move it by one star, no more 4.

This is why reading the nursing home star rating means reading the three numbers underneath it and ignoring the composite. The composite exists to be scannable. It is not where the information is.

The health-inspection rating is a curve, not a standard

The health-inspection rating is built from three years of on-site surveys — the standard annual inspection plus complaint and infection-control investigations — with the most recent year weighted most heavily and older years counting for progressively less 4. Each deficiency the surveyors cite earns points based on how serious it was and how many residents it reached. More points is worse. Then the points are ranked against the other nursing homes in the same state 4.

That ranking step is the part almost nobody knows, and it changes what the star means. Roughly the top tenth of homes in a state receive five stars on health inspections; roughly the bottom fifth receive one; the large middle is divided among two, three, and four stars 4. The rating is therefore a position in a state's distribution, not a score against a fixed bar.

Two consequences worth holding onto.

A five-star inspection rating in one state is not a five-star inspection rating in another. It means "among the best-inspected homes in this state" — and states differ enormously in how aggressively their surveyors cite. A strict survey state can make a genuinely decent home look ordinary. A lenient one can make an ordinary home look excellent. Comparing a home in one state to a home in another using stars alone compares two different curves.

The star also compresses the thing you actually care about. Points reflect both severity and scope, but once they are summed and ranked, you cannot see whether a home's points came from one episode of real harm to one resident or from thirty findings about documentation. That distinction lives in the CMS-2567 Statement of Deficiencies — the surveyor's written narrative, reachable from the home's profile. Serious vetting a nursing home always ends up in that document, because it is the only place the story survives.

A star is a rank within one state, not a grade against a national standard.

What the staffing and quality-measure ratings each measure

These two ratings are not the same kind of number, and treating them as equally solid is the most common mistake made on this page. The staffing rating is calculated from payroll records the home submits to CMS. The quality-measure rating is calculated largely from clinical assessments the home's own staff fill out about its own residents 4. One is audited by its nature. The other is, in the gaps between inspections, the facility's account of itself.

Staffing. The rating is built from staffing hours per resident day — the nursing hours actually worked, divided by the number of residents — drawn from quarterly payroll submissions and adjusted for how much care the home's particular resident mix would be expected to need 4. It is the hardest domain to dress up, because a shift is either on the payroll or it is not. The system also looks at weekend staffing and at registered-nurse coverage, and a home that fails to submit its payroll data can be dropped to one star on staffing automatically 4. The full mechanics of the Payroll-Based Journal and what a given HPRD figure means at the bedside are their own subject.

Quality measures. This domain mixes two data sources 4. Some measures are calculated from Medicare claims — hospital readmissions, emergency department visits, whether a short-stay resident made it home. Those are hard to bend, because someone else generated the record. The rest come from the resident assessments the facility completes and submits, and those are self-reported quality measures in the literal sense: pressure ulcers, falls with major injury, antipsychotic use, mobility decline. Surveyors do check charts when they are in the building. Between inspections, the number is what the home said about itself.

This is where the complaint about misleading star ratings lands hardest, and lands fairly. A five-star quality score adds a star to the overall rating 4. It is also the softest of the three inputs. If a home's overall star was lifted by its quality score rather than by its inspection record, you are looking at a badge partly built from self-assessment.

What the Special Focus Facility list adds

Alongside the star ratings, CMS runs a separate program for the worst performers. The Special Focus Facility program identifies the poorest-performing nursing homes in the country, publishes them in a public list, inspects them more frequently than other homes, and escalates enforcement against them if they do not improve 5. It is a list, not a curve, and it is worth checking independently of anything on the profile page.

The distinction matters because the two mechanisms answer different questions. The star rating asks where a home sits relative to its state. The Special Focus list asks whether federal regulators have concluded a home has a persistent pattern of serious problems and put it under sustained scrutiny 5. A home can look unremarkable on a scannable badge and still be a facility CMS has decided to watch closely.

Because CMS publishes the list, it costs nothing to check a home's name against it before a tour. It takes about a minute, and it is the single highest-yield minute in this whole process.

What Care Compare cannot tell you

Care Compare describes a building's regulatory record. It does not describe a Tuesday afternoon. It cannot tell you whether the aide on your mother's hall has worked there four years or four days, whether a call light is answered in three minutes or twenty-five, whether the dining room smells of food or of disinfectant, or whether the administrator returns a phone call. No public dataset carries any of that, and those are the things families end up caring about most.

Three specific blind spots are worth naming.

It lags. Inspection findings enter the record when surveys happen; staffing arrives quarterly 4. A home that changed ownership last month, or lost its director of nursing in the spring, looks on the site exactly as it did before. The data describes the building that existed, not necessarily the one you would be moving into.

It is one number for the whole building. The rating is facility-wide. A locked dementia unit and a short-stay rehabilitation wing inside the same building can be run to entirely different standards by entirely different staff, and both are averaged into one star.

It does not know what your person needs. A home rated well overall may not run a dementia special care unit, may not have hospice coming in, may not manage a feeding tube or dialysis transport. The rating answers "how does this home compare" — never "is this home right for this person." That second question has to be answered before the first one is worth asking.

Not knowing any of this before today is normal. The system is not designed to be legible, and nobody hands families a manual.

What a careful twenty minutes on Care Compare looks like

The tool rewards a specific order of operations. Work from the hardest data to the softest, finish with the narrative, and treat the visit — not the website — as the decision. CMS itself frames the site as a first step and says to see the place in person, on more than one day and at more than one time of day, before choosing 6. That instruction is not a formality. It is the part the data cannot substitute for.

A workable sequence:

1. Ignore the overall star. Write down the three ratings underneath it instead — health inspections, staffing, quality measures 2. 2. Look at the health-inspection rating first, and remember it is a rank within the state 4. Compare homes within a state, not across state lines. 3. Look at staffing second. It is the number that is hardest to dress up 4. 4. Treat the quality-measure rating as the softest input, especially if it is what lifted the overall star 4. 5. Check the name against the Special Focus Facility list 5. 6. Open the CMS-2567. Read what the surveyors actually wrote. One serious finding of real harm outweighs a page of paperwork citations, and only the narrative tells you which you are looking at. 7. Download the file if you are comparing many homes. The Provider Information dataset lets you sort every certified home in a region at once 3. 8. Then go, twice, at different hours 6.

The data narrows the list. The visit makes the decision. Reversing that order is how families end up somewhere the numbers approved of and nobody is happy.

One more thing worth saying plainly. A home with an imperfect record is not automatically the wrong home, and a five-star home is not automatically the right one. What you are building here is a set of questions to walk in with — not a verdict to walk in holding.

Common questions

Yes. It is run by the Centers for Medicare & Medicaid Services, it costs nothing, and it requires no account or sign-up. It is also the only major nursing-home directory where no facility can pay for placement or a better position. Every Medicare- or Medicaid-certified nursing home in the country has a profile on it, whether the home wants one or not.

Not reliably. The overall star is the health-inspection rating adjusted up or down by staffing and quality measures, so two homes with the same badge can have very different records underneath. A four-star home with a strong inspection history and good staffing may be a better bet than a five-star home lifted there by its own self-reported quality scores.

Partly. The staffing domain draws on payroll records, which are hard to dress up. The quality-measure domain draws substantially on assessments the home's own staff complete about its own residents, and between inspections nobody re-counts them independently. That asymmetry is worth remembering: not all three ratings are equally solid, even though they look identical on the page.

The health-inspection rating is scored on a curve within each state, so the star reflects where a home ranks against its neighbors rather than against a fixed national bar. States differ in how strictly their surveyors cite deficiencies. That makes cross-state star comparisons unreliable, and it is one of the most common ways families misread the tool.

No. Care Compare covers Medicare- and Medicaid-certified providers, and that certification is what generates the inspection and staffing data behind the star ratings. If a community you are considering has no profile on the site, it is worth asking exactly what kind of licence it holds, because you will need a different set of public records to check it.

It lags, and the lag varies by domain. Inspection findings appear as surveys are completed and are weighted across three years, with recent years counting most. Staffing information arrives quarterly. A change of owner, administrator, or director of nursing will not show up for some time — so recent turnover is something to ask about on a tour rather than look up.

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When public data stops being the right tool

  • —A new pressure sore, an unexplained bruise, or a fracture that nobody at the facility can account for
  • —A resident who has become newly confused, feverish, or difficult to rouse — often the first sign of an untreated infection
  • —Visible weight loss, signs of dehydration, or a resident repeatedly found in soiled clothing or bedding
  • —Call lights left unanswered long enough that a resident has stopped pressing them

A resident who is unresponsive, struggling to breathe, bleeding heavily, or has fallen and cannot move needs 911 or an emergency department now — not a complaint form and not a star rating.

This article explains how a public federal database is built and how to read it. It is general information, not medical, legal, or financial advice, and it is not a recommendation of any facility. Gale does not rank, endorse, or place people in nursing homes. Decisions about a person's care belong with that person, their family, and their clinicians.

References

  1. 1.Centers for Medicare & Medicaid Services (2026). Find Healthcare Providers: Compare Care Near You (Care Compare). Medicare.gov (U.S. Centers for Medicare & Medicaid Services). link ✓That Care Compare is the official federal tool for finding and comparing Medicare- and Medicaid-certified providers, including nursing homes, by star ratings, health-inspection results, and staffing, and that it covers other provider types such as hospitals, home health agencies, and hospices.
  2. 2.Centers for Medicare & Medicaid Services (2026). Five-Star Quality Rating System. CMS.gov (U.S. Centers for Medicare & Medicaid Services). link ✓That CMS rates each certified nursing home from one to five stars overall and on three separate domains — health inspections, staffing, and quality measures.
  3. 3.Centers for Medicare & Medicaid Services (2026). Provider Information (Nursing homes including rehab services dataset). CMS Provider Data Catalog (data.cms.gov). linkThat the data behind Care Compare is published as a downloadable per-facility dataset carrying certified beds, star ratings, staffing measures, and quality-measure scores for all certified nursing homes.
  4. 4.Centers for Medicare & Medicaid Services (2025). Design for Care Compare Nursing Home Five-Star Quality Rating System: Technical Users' Guide. CMS.gov (U.S. Centers for Medicare & Medicaid Services). link ✓The star-rating methodology: that the overall rating starts from the health-inspection rating and is adjusted one star up or down by the staffing and quality-measure ratings within a capped range; that the health-inspection domain scores three years of surveys with recent years weighted most heavily and assigns stars on state-relative cut points; that the staffing domain uses case-mix-adjusted payroll-based hours per resident day including weekend and RN coverage; and that the quality-measure domain combines facility-submitted resident assessments with claims-based measures.
  5. 5.Centers for Medicare & Medicaid Services (2022). CMS Publishes National List of Poor-Performing Nursing Homes, Key Tool for Families Seeking Quality Care. CMS.gov Newsroom (U.S. Centers for Medicare & Medicaid Services). link ✓That CMS's Special Focus Facility program identifies and publicly lists the poorest-performing nursing homes and subjects them to more frequent inspections and progressive enforcement.
  6. 6.Centers for Medicare & Medicaid Services (2025). How do I choose a nursing home?. Medicare.gov (U.S. Centers for Medicare & Medicaid Services). link ✓That CMS directs families to use Care Compare as a first step and then visit in person, including on different days and at different times of day, before choosing a nursing home.

6 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — citations link their sources. Editorial policy

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