California · Acute Care

Kaiser Foundation Hospital - Antioch

According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Kaiser Foundation Hospital - Antioch ranks #3073 of 3182 rated US hospitals by overall star rating (highest = #1).

1★
CMS overall rating
#3073 of 3182
Corpus placement
20
Quality measures
6
Infection types

Data currency: Hospital quality, safety, and patient-experience measures from the CMS Care Compare program (published quarterly), last refreshed May 2026. See our methodology for source dates. Spot a figure that looks wrong? Report a correction.

4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa County · (925) 813-6500

The verdict

According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Kaiser Foundation Hospital - Antioch ranks #3073 of 3182 rated US hospitals by overall star rating (highest = #1). Overall CMS stars: 1/5 (below the 3.2-star national average).

1 / 5
CMS overall star rating
#3073 of 3182
rated-hospital corpus placement
1
measures better than national of 12 compared
Yes
emergency department on site

Since the last CMS release

CMS lowered this hospital from 3 to 1 stars between its May 2026 and August 2026 releases, a fall of 2.

CMS replaces its file at each release rather than publishing a changelog, so this comparison exists only because the earlier release is kept on file. See what changed nationally.

Where Kaiser Foundation Hospital - Antioch sits among rated US hospitals

1 Top 100% higher than 0% of 3,182 rated hospitals

1–2: 199 rated hospitals (6%). This entry sits in this band. 2–3: 662 rated hospitals (21%). Above this entry. 3–4: 987 rated hospitals (31%). Above this entry. 4–5: 950 rated hospitals (30%). Above this entry. 5–6: 384 rated hospitals (12%). Above this entry. This hospital 1★ 5★ CMS star rating (1–5 stars), bucketed by value

Each bar is a band; taller bars hold more rated hospitals. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Hospital Compare, overall hospital rating · 2026-08-14

Kaiser Foundation Hospital - Antioch vs. California and the nation

stars

What this shows At 1 stars, Kaiser Foundation Hospital - Antioch rates below the California average of 3.1 and below the national average of 3.2.

Source CMS Hospital Compare As of 2026-08-14
Type
Acute Care Hospitals
Ownership
Voluntary non-profit - Private
Emergency Services
Yes
Birthing Friendly
Yes

Complications & Deaths Measures

20

CMS-tracked

Patient Experience

17

HCAHPS domains

Infection Types

6

CDC NHSN

CMS Overall Star Rating 20.0%

1 of 5 stars

Quality profile vs. the national benchmark

Mortality 4 measures
Safety of care 6 measures
Readmission 2 measures
Better than national Same as national Worse than national

Quality Measures

Measure Score vs. National
Abdominopelvic accidental puncture or laceration rate 1.02 Same as National
CMS Medicare PSI 90: Patient safety and adverse events composite 1.14 Same as National
Death rate among surgical inpatients with serious treatable complications N/A Number of Cases Too Small
Death rate for CABG surgery patients N/A Not Available
Death rate for COPD patients N/A Number of Cases Too Small
Death rate for heart attack patients N/A Number of Cases Too Small
Death rate for heart failure patients 12.4 Same as National
Death rate for pneumonia patients 16.2 Same as National
Death rate for stroke patients 13 Same as National
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate 4.5 Same as National
Iatrogenic pneumothorax rate 0.2 Same as National
In-hospital fall-associated fracture rate 0.31 Same as National
Perioperative pulmonary embolism or deep vein thrombosis rate 3.84 Same as National
Postoperative acute kidney injury requiring dialysis rate N/A Number of Cases Too Small
Postoperative hemorrhage or hematoma rate 2.29 Same as National

Patient Experience (HCAHPS)

Experience profile vs. the national average

Radar chart 6-axis radar comparing 1 series across Nurse comms, Doctor comms, Medicine comms, Discharge info, Cleanliness, Quietness. Nurse commsDoctor commsMedicine commsDischarge infoCleanlinessQuietness National average

Source: CMS Hospital Compare, HCAHPS patient survey star ratings.

Survey Question Star Rating
Cleanliness - linear mean score
N/A
Cleanliness - star rating
3
Communication about medicines - linear mean score
N/A
Communication about medicines - star rating
2
Discharge information - linear mean score
N/A
Discharge information - star rating
3
Doctor communication - linear mean score
N/A
Doctor communication - star rating
3
Nurse communication - linear mean score
N/A
Nurse communication - star rating
2
Overall hospital rating - linear mean score
N/A
Overall hospital rating - star rating
3
Quietness - linear mean score
N/A
Quietness - star rating
2
Recommend hospital - linear mean score
N/A
Recommend hospital - star rating
4
Summary star rating
3

Safety & Infections

Measure Score vs. National
Catheter Associated Urinary Tract Infections (ICU + select Wards) 0 Same as National
Central Line Associated Bloodstream Infection (ICU + select Wards) 0.779 Same as National
Clostridium Difficile (C.Diff) 0.481 Better than National
MRSA Bacteremia 0.541 Same as National
SSI - Abdominal Hysterectomy N/A Not Available
SSI - Colon Surgery 1.169 Same as National

Staffing & Spending

Unplanned Visits & Readmissions

Measure Score vs. National
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate N/A Number of Cases Too Small
Heart failure (HF) 30-Day Readmission Rate N/A Number of Cases Too Small
Hospital return days for heart attack patients N/A Number of Cases Too Small
Hospital return days for heart failure patients N/A Number of Cases Too Small
Hospital return days for pneumonia patients 143.5 More Days Than Average per 100 Discharges
Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) 15.5 Same as National
Pneumonia (PN) 30-Day Readmission Rate 18.1 Same as National
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy N/A Not Available
Rate of inpatient admissions for patients receiving outpatient chemotherapy N/A Not Available
Rate of readmission after hip/knee replacement N/A Not Available
Rate of readmission for CABG N/A Not Available
Rate of readmission for chronic obstructive pulmonary disease (COPD) patients N/A Number of Cases Too Small
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) N/A Number of Cases Too Small
Ratio of unplanned hospital visits after hospital outpatient surgery N/A Number of cases too small

Medicare Spending

Measure Score
Medicare hospital spending per patient (Medicare Spending per Beneficiary) 0.97

Maternal Health

Measure Score
Cesarean Birth N/A
Maternal Morbidity Structural Measure N/A
Risk Adjusted Severe Obstetric Complications (All) N/A
Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) N/A

Nearby Hospitals in California

Other Medicare-certified hospitals in California.

Compare Kaiser Foundation Hospital - Antioch vs 60th Medical Group (Travis AFB) →

Frequently Asked Questions

How does Kaiser Foundation Hospital - Antioch compare to other hospitals on CMS star rating?

According to PlainHospital's CMS star-rating ranking, Kaiser Foundation Hospital - Antioch ranks #3073 of 3182 rated US hospitals by overall star rating (highest = #1). That ordinal matches our top-rated hospital listing (star_rating DESC). See /methodology#corpus-placement for the exact sort basis.

What is the CMS star rating for Kaiser Foundation Hospital - Antioch?

Kaiser Foundation Hospital - Antioch has an overall CMS star rating of 1 out of 5, below the 3.2-star national average.

How does Kaiser Foundation Hospital - Antioch perform on quality measures?

1 of 12 compared mortality, safety, and readmission measures rate better than the national average at Kaiser Foundation Hospital - Antioch; 1 rate worse.

What do patients say about Kaiser Foundation Hospital - Antioch?

Kaiser Foundation Hospital - Antioch reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 4 out of 5.

What are the infection rates at Kaiser Foundation Hospital - Antioch?

Kaiser Foundation Hospital - Antioch tracks 6 healthcare-associated infection types (CDC NHSN). 1 are better than the national benchmark, 0 are worse, and 4 are at the national average.

Does Kaiser Foundation Hospital - Antioch have emergency services?

Yes, Kaiser Foundation Hospital - Antioch provides emergency services.

What type of hospital is Kaiser Foundation Hospital - Antioch?

Kaiser Foundation Hospital - Antioch is a Acute Care Hospitals facility with Voluntary non-profit - Private ownership, located in Antioch, CA. This facility has received the CMS Birthing-Friendly designation.

How much does Medicare spend at Kaiser Foundation Hospital - Antioch?

1 Medicare spending category is on file for Kaiser Foundation Hospital - Antioch, per episode vs. the national median.

Does Kaiser Foundation Hospital - Antioch offer maternal health services?

Yes, Kaiser Foundation Hospital - Antioch reports 4 maternal health measures. This facility has been designated as Birthing-Friendly by CMS.

Data Sources

Source: Centers for Medicare & Medicaid Services (CMS) Hospital Compare. Last refreshed from CMS: . About PlainHospital

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