State hospital quality · CMS Hospital Compare
Hospitals in Iowa
According to PlainHospital's state average CMS-star ranking, Iowa ranks #25 of 54 states and territories by average overall star rating among rated hospitals (highest = #1).
- 118
- Hospitals
- #25 of 54
- Corpus placement
- 3.2★
- Avg (62 rated)
- 7
- Five-star
- 113
- With ER
The state picture
According to PlainHospital's state average CMS-star ranking, Iowa ranks #25 of 54 states and territories by average overall star rating among rated hospitals (highest = #1). Among 62 rated hospitals, the state averages 3.2 of 5 stars.
- 3.2 / 5
- state average among rated (level with 3.2 national)
- #25 of 54
- state corpus placement by avg star
- 7
- five-star hospitals
- 62 of 118 rated
- hospitals with a CMS overall rating
CMS star ratings are composite quality scores; 62 of 118 Iowa hospitals had enough reporting volume to receive one. Not medical advice.
Iowa hospital quality
Iowa averages 3.2/5 CMS stars across 62 rated hospitals (level with the 3.2 national average), with 7 five-star facilities of 118 Medicare-certified hospitals.
PlainHospital ranks Iowa hospitals from CMS Hospital Compare overall star ratings (mortality, safety, readmission, patient experience, timely care). Corpus placement: #25 of 54 states and territories by average overall star among rated hospitals. 62 of 118 facilities had enough volume to receive a star; the rest stay unrated. Not medical advice - open a hospital page for the measure-level detail.
CMS star-rating mix in Iowa
How 62 rated Iowa hospitals break down across the 1–5 star scale
- 5★ 7
5-star hospitals
7 hospitals
- 4★
4-star hospitals
21 hospitals
- 3★
3-star hospitals
16 hospitals
- 2★
2-star hospitals
16 hospitals
- 1★ 2
1-star hospitals
2 hospitals
What this shows 7 Iowa hospitals reach five stars; the state's 3.2-star average sits level with the 3.2-star national mark.
What the Data Shows About Hospitals in Iowa
Iowa has 118 Medicare-certified hospitals tracked by the Centers for Medicare & Medicaid Services (CMS) Hospital Compare program. Of these, 113 facilities operate an emergency department, an important signal for communities that rely on nearby acute-care access. The statewide average CMS overall star rating is 3.2 out of 5 , calculated across the 62 of 118 hospitals with enough reporting volume to generate a composite rating.
At the top of the quality distribution, 7 hospitals have earned the highest 5-star CMS overall rating in Iowa. The single highest-rated facility in the state registry is Cass County Memorial Hospital in Atlantic, currently listed at 5/5 stars. Star ratings are composite scores built from mortality, safety of care, readmission, patient experience (HCAHPS), and timely & effective care domains, so a single number conceals meaningful per-domain variation that matters for specific procedures.
Showing 100 of 118 hospitals on this page (page 2 of 3). Hospital quality varies materially within a state, urban academic centers, rural critical-access hospitals, and specialty facilities report against different baselines, so comparing individual facility profiles before choosing planned care is more useful than relying on the statewide average alone. All figures reflect the CMS Hospital Compare release from , and nothing on this page is medical advice, consult a qualified clinician before making care decisions.
Top-Rated in Iowa
Highest CMS star ratings among Medicare-certified hospitals in Iowa.
- 🥇1 Cass County Memorial Hospital ★★★★★
- 🥈2 CHI Health Mercy Council Bluffs ★★★★★
- 🥉3 Clarke County Hospital ★★★★★
- 4 Gundersen Palmer Lutheran Hospital and Clinics ★★★★★
- 5 Iowa City VA Medical Center ★★★★★
- 6 Van Diest Medical Center ★★★★★
Compare Cass County Memorial Hospital vs CHI Health Mercy Council Bluffs →
All Hospitals
Showing 51–100 of 118 hospitals
Hospital Quality in Iowa
Iowa has 118 Medicare-certified hospitals tracked by the Centers for Medicare & Medicaid Services (CMS). Of these, 7 have earned the highest 5-star overall quality rating, reflecting strong performance across mortality, safety of care, readmission rates, patient experience, and timely and effective care measures.
The average CMS star rating across the 62 rated of 118 Iowa hospitals is 3.2. 113 facilities have emergency departments, an important factor for communities that depend on nearby acute care. Hospital quality can vary significantly within a state, so comparing individual facility ratings before choosing care is recommended.
Frequently Asked Questions
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Data from CMS Hospital Compare; patient-experience scores from the HCAHPS survey. Last refreshed: . About PlainHospital and our data sources
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainHospital is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.