Complications & Deaths Measures
20
CMS-tracked
California · Acute Care
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Coast Plaza Hospital ranks #3010 of 3182 rated US hospitals by overall star rating (highest = #1).
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.
13100 Studerbaker Road, Norwalk, CA 90650 · Los Angeles County · (562) 868-3751
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Coast Plaza Hospital ranks #3010 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a below-median CMS star rating nationally.
Since the last CMS release
This hospital held its 1-star rating across the May 2026 and August 2026 CMS releases.
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 Coast Plaza Hospital sits among rated US hospitals
1 Top 100% in the bottom 1% of 3,182 rated hospitals
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 and share, and where it sits relative to this entry.
Source CMS Hospital Compare, overall hospital rating · 2026-08-14
Coast Plaza Hospital
1 stars
California state average
3.1 stars
National average
3.2 stars
What this shows At 1 stars, Coast Plaza Hospital rates below the California average of 3.1 and below the national average of 3.2.
Complications & Deaths Measures
20
CMS-tracked
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
1 of 5 stars
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 1.04 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.9 | 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 | 11.3 | Same as National |
| Death rate for pneumonia patients | 16.4 | Same as National |
| Death rate for stroke patients | N/A | Number of Cases Too Small |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.9 | Same as National |
| Iatrogenic pneumothorax rate | 0.2 | Same as National |
| In-hospital fall-associated fracture rate | 0.3 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.34 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | N/A | Number of Cases Too Small |
| Postoperative hemorrhage or hematoma rate | 2.3 | Same as National |
Source: CMS Hospital Compare, HCAHPS patient survey star ratings.
| Survey Question | Star Rating |
|---|---|
| Cleanliness - linear mean score | N/A |
| Cleanliness - star rating | 1 |
| Communication about medicines - linear mean score | N/A |
| Communication about medicines - star rating | 1 |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | 1 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 1 |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | 1 |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | 1 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 1 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 1 |
| Summary star rating | 1 |
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.764 | Same as National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0 | Same as National |
| Clostridium Difficile (C.Diff) | 0.409 | Better than National |
| MRSA Bacteremia | N/A | Not Available |
| SSI - Abdominal Hysterectomy | N/A | Not Available |
| SSI - Colon Surgery | N/A | Not Available |
| 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 | 20.3 | Same as National |
| Hospital return days for heart attack patients | N/A | Number of Cases Too Small |
| Hospital return days for heart failure patients | 23.3 | Average Days per 100 Discharges |
| Hospital return days for pneumonia patients | -11.7 | Average Days per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.2 | Same as National |
| Pneumonia (PN) 30-Day Readmission Rate | 16 | 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 | Number of Cases Too Small |
| 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 |
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | 1.35 |
| 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 |
Two Hospital Compare peer sets for Coast Plaza Hospital, both outside California so the neighborhoods are not the same-state list below.
Nearest overall stars outside CA (1/5 here).
Nearest mortality measures rated better than national, outside CA (0 better here).
Other Medicare-certified hospitals in California.
One of 377 Medicare-certified hospitals in California, 6 are shown here.
Compare Coast Plaza Hospital vs 60th Medical Group (Travis AFB) →
According to PlainHospital's CMS star-rating ranking, Coast Plaza Hospital ranks #3010 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.
Coast Plaza Hospital has an overall CMS star rating of 1 out of 5, below the 3.2-star national average.
0 of 8 compared mortality, safety, and readmission measures rate better than the national average at Coast Plaza Hospital; 0 rate worse.
Coast Plaza Hospital reports 17 HCAHPS patient-experience domain scores. Star ratings range from 1 to 1 out of 5.
Coast Plaza Hospital tracks 6 healthcare-associated infection types (CDC NHSN). 1 are better than the national benchmark, 0 are worse, and 2 are at the national average.
Yes, Coast Plaza Hospital provides emergency services.
Coast Plaza Hospital is a Acute Care Hospitals facility with Proprietary ownership, located in Norwalk, CA.
1 Medicare spending category is on file for Coast Plaza Hospital, per episode vs. the national median.
Yes, Coast Plaza Hospital reports 4 maternal health measures.
Source: Centers for Medicare & Medicaid Services (CMS) Hospital Compare. Last refreshed from CMS: . About PlainHospital
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