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

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.

Source CMS Hospital Compare As of 2026-08-14

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.

118
Hospitals
3.2
Avg (62 rated)
7
Five-Star
113
With ER

Top-Rated in Iowa

Highest CMS star ratings among Medicare-certified hospitals in Iowa.

  1. 🥇1 Cass County Memorial Hospital Atlantic, IA · Critical Access Hospitals ★★★★★
  2. 🥈2 CHI Health Mercy Council Bluffs Council Bluffs, IA · Acute Care Hospitals ★★★★★
  3. 🥉3 Clarke County Hospital Osceola, IA · Critical Access Hospitals ★★★★★
  4. 4 Gundersen Palmer Lutheran Hospital and Clinics West Union, IA · Critical Access Hospitals ★★★★★
  5. 5 Iowa City VA Medical Center Iowa City, IA · Acute Care - Veterans Administration ★★★★★
  6. 6 Van Diest Medical Center Webster City, IA · Critical Access Hospitals ★★★★★

Compare Cass County Memorial Hospital vs CHI Health Mercy Council Bluffs →

All Hospitals

Showing 51–100 of 118 hospitals

Hospital Rating
Jefferson County Health Center

Fairfield

2
Jones Regional Medical Center

Anamosa

4
Keokuk County Health Center

Sigourney

N/A
Knoxville Hospital & Clinics

Knoxville

2
Kossuth Regional Health Center

Algona

1
Lakes Regional Healthcare

Spirit Lake

2
Loring Hospital

Sac City

N/A
Lucas County Health Center

Chariton

N/A
Madison County Health Care System

Winterset

N/A
Mahaska Health Partnership

Oskaloosa

4
Manning Regional Healthcare Center

Manning

N/A
Mary Greeley Medical Center

Ames

4
Mental Health Institute

Cherokee

N/A
Mental Health Institute

Independence

N/A
Mercy Medical Center - Cedar Rapids

Cedar Rapids

4
Mercy Medical Center-New Hampton

New Hampton

N/A
Mercyone Centerville Medical Center

Centerville

N/A
Mercyone Clinton Medical Center

Clinton

4
Mercyone Des Moines Medical Center

Des Moines

1
Mercyone Dubuque Medical Center

Dubuque

3
Mercyone Dyersville Medical Center

Dyersville

N/A
Mercyone Elkader Medical Center

Elkader

N/A
Mercyone Newton Medical Center

Newton

4
Mercyone North Iowa Medical Center

Mason City

2
Mercyone Oelwein Medical Center

Oelwein

N/A
Mercyone Siouxland Medical Center

Sioux City

2
Mercyone Waterloo Medical Center

Waterloo

4
Methodist Jennie Edmundson

Council Bluffs

3
Mitchell County Regional Health

Osage

3
Monroe County Hospital

Albia

N/A
Montgomery County Memorial Hospital

Red Oak

N/A
Myrtue Medical Center

Harlan

3
Orange City Area Health System

Orange City

3
Osceola Community Hospital

Sibley

N/A
Ottumwa Regional Health Center

Ottumwa

2
Palo Alto County Hospital

Emmetsburg

N/A
Pella Regional Health Center

Pella

4
Pocahontas Community Hospital

Pocahontas

N/A
Regional Health Services of Howard County

Cresco

4
Regional Medical Center

Manchester

4
Ringgold County Hospital

Mount Ayr

N/A
Sanford Sheldon Medical Center

Sheldon

N/A
Sartori Memorial Hospital, Inc

Cedar Falls

N/A
Shenandoah Medical Center

Shenandoah

N/A
Sioux Center Health

Sioux Center

N/A
Southeast Iowa Regional Medical Center

West Burlington

4
Spencer Municipal Hospital

Spencer

4
St Anthony Regional Hospital & Nursing Home

Carroll

2
St Lukes Hospital

Cedar Rapids

4
St Lukes Regional Medical Center

Sioux City

2

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

What is the best hospital in Iowa?
The highest-rated hospital in Iowa is Cass County Memorial Hospital in Atlantic with a CMS star rating of 5/5. There are 7 five-star hospitals in the state out of 118 Medicare-certified facilities.
How are hospitals rated?
CMS rates hospitals on a 1-to-5 star scale based on quality measures including mortality, safety, patient experience, readmission rates, and timely care. In Iowa, the average star rating is 3.2 across rated hospitals.
How many hospitals are in Iowa?
Iowa has 118 Medicare-certified hospitals, of which 113 have emergency departments. 7 hospitals have earned the highest 5-star CMS rating.

Data from CMS Hospital Compare; patient-experience scores from the HCAHPS survey. Last refreshed: . About PlainHospital and our data sources

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.