How to Improve Your CMS Star Ratings: A Home-Health Agency Guide

For most of the last decade, CMS star ratings were a back-office concern — a quarterly screenshot the marketing team sent to referral partners. That window has closed. Hospital case managers now filter Care Compare before they ever pick up the phone. Medicare Advantage plans embed star thresholds directly into their narrow-network contracts. And under the expanded Home Health Value-Based Purchasing (HHVBP) model, your rating is no longer just a referral signal — it is a line item on your remittance.

If you run a home-health agency in 2026, every half-star matters. The good news: the math behind star ratings is public, the inputs are mostly things you already control, and the agencies who treat this as a continuous-improvement program — not a quarterly fire drill — pull ahead quickly. This guide breaks down exactly how CMS calculates the two star ratings on Care Compare, which measures actually move the needle, and what to do this quarter.

How CMS calculates the Quality of Patient Care star rating

The Quality of Patient Care (QoPC) star rating is the one most agencies fixate on. It is computed from seven process and outcome measures drawn from OASIS assessments and Medicare claims, weighted equally and then mapped onto a one-to-five-star scale based on national percentile cutoffs.

The current measure set:

• Timely Initiation of Care (start of care within two days of referral or physician-ordered date)
• Improvement in Ambulation
• Improvement in Bed Transferring
• Improvement in Bathing
• Improvement in Shortness of Breath (Dyspnea)
• Improvement in Management of Oral Medications
• Acute Care Hospitalization during the first 60 days of home health (claims-based)

Each measure is risk-adjusted, your agency's score is compared to the national distribution, and the seven measure-level scores are averaged. Half-star increments are awarded. Because CMS uses a rolling 12-month data window refreshed quarterly, the work you do in May does not become visible until late summer at the earliest.

What this means in practice

You cannot wait for the next CMS preview report to know how you are doing. By the time the preview lands, the data is already locked. The only agencies who improve reliably are the ones tracking these measures in real time, episode by episode.

How the Patient Survey (HHCAHPS) star rating works

The HHCAHPS star rating runs in parallel to QoPC and pulls from patient experience surveys administered by a CMS-approved vendor. It is built from four composite measures and one global rating:

• Care of Patients
• Communication Between Providers and Patients
• Specific Care Issues (medications, pain, home safety)
• Overall Rating of Care
• Willingness to Recommend the Agency

These are top-box scored — only the most positive responses count — which is why an agency that scores "good" on everything still ends up at three stars. HHCAHPS rewards excellence, not adequacy. Your sample size also has to clear 40 completed surveys in the four-quarter window or the rating is suppressed.

Which measures actually move the needle

Not every measure deserves equal investment. After working with hundreds of agencies, the leverage points cluster in a predictable order:

1. Timely Initiation of Care. A single missed SOC drags this measure heavily and is almost entirely within your control. Agencies that hit 95%+ here are nearly always 4-star or higher overall.
2. Acute Care Hospitalization. The only claims-based measure and the heaviest in real-world weight. Hospital case managers see it first.
3. Improvement in Ambulation and Bed Transferring. These two are highly correlated and tend to move together when therapy frequency and OASIS accuracy improve in tandem.
4. HHCAHPS Communication composite. The single biggest predictor of "Willingness to Recommend." Fix communication and the other survey scores rise with it.

Why most agencies optimize the wrong things

The most common failure pattern is misallocation. Agencies pour QA hours into reducing OASIS error rates that have already cleared the scrubber, while ignoring the SOC visits that slipped from day two to day four because the scheduler did not flag them. They invest in expensive patient gifts to boost HHCAHPS scores while the real issue is that nobody calls the patient back within 24 hours of a complaint.

The other common failure: chasing the wrong measure. Improvement in Oral Medications looks like an easy win on paper, but it is one of seven equally weighted measures and risk-adjusted in a way that rewards documentation accuracy more than clinical change. You will move your overall rating faster by fixing hospitalization and SOC timeliness.

The 5 highest-leverage actions to take this quarter

1. Lock down SOC timeliness with a daily exception report. Every referral that is 24 hours old without a scheduled SOC visit should hit your administrator's inbox by 8 a.m. the next morning. No exceptions.
2. Stand up a 30-day post-discharge follow-up program. The acute-care hospitalization measure does not care whether the patient went back to the hospital from your care or after discharge — both count. A simple phone call cadence cuts readmissions measurably.
3. Audit OASIS M-items tied to improvement measures weekly. Specifically M1860 (Ambulation), M1850 (Transferring), M1830 (Bathing), and M1400 (Dyspnea). If your SOC and discharge scoring is not internally consistent, you are leaving stars on the table even when the clinical care is excellent.
4. Train every field clinician on the three HHCAHPS communication questions. They are knowable. The questions ask whether the team explained things in a way the patient understood, whether they listened carefully, and whether they treated the patient with courtesy. Make these explicit standards on every visit.
5. Build a real-time star-rating dashboard. Not a quarterly PDF. A live view where every episode either lifts or drags your projected rating, visible to the QA team daily.

Why real-time data beats quarterly reporting

The CMS preview report is a lagging indicator. By the time you see your Q1 numbers in Q3, the corrective episode-level decisions you would have made are six months gone. The agencies who pull ahead share one trait: they treat star ratings the way a hospital treats sepsis bundles — as a continuous, near-real-time scoring exercise tied to every individual patient.

This is the entire reason EaseEHR was built. We compute your projected QoPC and HHCAHPS star ratings from your own OASIS and claims data on a rolling basis, so you know — episode by episode — whether you are trending up or down before CMS does. Coupled with our OASIS scrubber and SOC compliance alerts, agencies on the platform have moved a full star in two refresh cycles.

A 90-day improvement checklist

Frequently asked questions