Complications & Deaths Measures
20
CMS-tracked
Florida · Critical Access
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Mariners Hospital ranks #157 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.
91500 Overseas Highway, Tavernier, FL 33070 · Monroe County · (305) 434-3000
The verdict
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Mariners Hospital ranks #157 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a top-quartile CMS star rating nationally, with 1 quality measure beating the national benchmark.
Since the last CMS release
CMS published no overall star rating for this hospital in its May 2026 release; it is rated 5 of 5 as of August 2026.
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 Mariners Hospital sits among rated US hospitals
5 Top 12% higher than 88% 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
Mariners Hospital
5 stars
Florida state average
3.1 stars
National average
3.2 stars
What this shows At 5 stars, Mariners Hospital rates above the Florida average of 3.1 and above the national average of 3.2.
Complications & Deaths Measures
20
CMS-tracked
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
5 of 5 stars
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | N/A | Not Available |
| CMS Medicare PSI 90: Patient safety and adverse events composite | N/A | Not Available |
| Death rate among surgical inpatients with serious treatable complications | N/A | Not Available |
| Death rate for CABG surgery patients | N/A | Not Available |
| Death rate for COPD patients | 7.7 | Same as National |
| Death rate for heart attack patients | N/A | Not Available |
| Death rate for heart failure patients | N/A | Number of Cases Too Small |
| Death rate for pneumonia patients | 12.2 | Same as National |
| Death rate for stroke patients | N/A | Number of Cases Too Small |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.9 | Same as National |
| Iatrogenic pneumothorax rate | N/A | Not Available |
| In-hospital fall-associated fracture rate | N/A | Not Available |
| Perioperative pulmonary embolism or deep vein thrombosis rate | N/A | Not Available |
| Postoperative acute kidney injury requiring dialysis rate | N/A | Not Available |
| Postoperative hemorrhage or hematoma rate | N/A | Not Available |
| Survey Question | Star Rating |
|---|---|
| Cleanliness - linear mean score | N/A |
| Cleanliness - star rating | N/A |
| Communication about medicines - linear mean score | N/A |
| Communication about medicines - star rating | N/A |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | N/A |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | N/A |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | N/A |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | N/A |
| Quietness - linear mean score | N/A |
| Quietness - star rating | N/A |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | N/A |
| Summary star rating | N/A |
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | N/A | Not Available |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | N/A | Not Available |
| Clostridium Difficile (C.Diff) | N/A | Not Available |
| 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 | Not Available |
| Heart failure (HF) 30-Day Readmission Rate | N/A | Number of Cases Too Small |
| Hospital return days for heart attack patients | N/A | Not Available |
| Hospital return days for heart failure patients | N/A | Number of Cases Too Small |
| Hospital return days for pneumonia patients | -29.5 | Fewer Days Than Average per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.7 | Same as National |
| Pneumonia (PN) 30-Day Readmission Rate | 15.4 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 4.8 | Same as National |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 11.6 | Same as National |
| 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 | 18.7 | Same as National |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.6 | Same as National |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1 | Same as National |
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | N/A |
CMS maternal-care measures reported for this facility. The Hospital Compare maternal extract lists measure names and reporting windows; it does not publish numeric scores or sample sizes in the corpus we ingest, so those columns are omitted rather than filled with N/A.
| Measure |
|---|
| Cesarean Birth |
| Maternal Morbidity Structural Measure |
| Risk Adjusted Severe Obstetric Complications (All) |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) |
Peer sets for Mariners Hospital outside Florida, keyed to the quiet worse-than-national share.
Nearest overall stars outside FL (5/5 here).
Nearest mortality measures rated better than national, outside FL (0 better here).
Other Medicare-certified hospitals in Florida.
One of 220 Medicare-certified hospitals in Florida, 6 are shown here.
Compare Mariners Hospital vs 96th Medical Group (Eglin AFB) →
What to do with Mariners Hospital
Use this page's CMS-sourced figures as a starting filter, not a final verdict.
CMS Hospital Compare figures are informational only, not medical advice; always consult your care team.
According to PlainHospital's CMS star-rating ranking, Mariners Hospital ranks #157 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.
Mariners Hospital has an overall CMS star rating of 5 out of 5 (high-band), above the 3.2-star national average.
0 of 10 compared measures rate worse than national at Mariners Hospital (quiet worse-share tercile); 1 rate better (typical).
Mariners Hospital reports 17 HCAHPS patient-experience domain scores.
Mariners Hospital tracks 6 healthcare-associated infection types (CDC NHSN). 0 are better than the national benchmark, 0 are worse, and 0 are at the national average.
Yes, Mariners Hospital provides emergency services.
Mariners Hospital is a Critical Access Hospitals facility with Voluntary non-profit - Private ownership, located in Tavernier, FL.
1 Medicare spending category is on file for Mariners Hospital, per episode vs. the national median.
Yes, Mariners Hospital reports 4 maternal health measures.
Read our methodology & full data source list · Source: CMS Hospital Compare · measure windows