Acute Care Hospitals · Voluntary non-profit - Private
St. Mary's Hospital
- 1601 West St Mary's Road, Tucson, AZ 85745
- (520) 872-3000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
St. Mary's Hospital carries a 2-star CMS overall rating — below the national norm. On healthcare-associated infection measures, it performs better than the national average on 6 and worse on 0. For 30-day readmissions, it beats the national rate on 0 measures and trails on 1.
Healthcare-Associated Infections
lower is better · 36 measures reported
Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.017 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 1.668 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 3567 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 2.956 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 1 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.338 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.015 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.475 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 3864 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 3.344 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 1 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.299 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.302 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 5.948 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 40 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 1.111 | Same as national |
| SSI - Colon Surgery: Observed Cases | 2 | Same as national |
| SSI - Colon Surgery | 1.800 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | — | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | — | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | — | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.249 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.660 | Same as national |
| MRSA Bacteremia: Patient Days | 40567 | Same as national |
| MRSA Bacteremia: Predicted Cases | 3.070 | Same as national |
| MRSA Bacteremia: Observed Cases | 3 | Same as national |
| MRSA Bacteremia | 0.977 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.166 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.625 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 40567 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 26.407 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 9 | Better than national |
| Clostridium Difficile (C.Diff) | 0.341 | Better than national |
Complications & Deaths
lower is better · 20 measures reported
Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | — | Not available | — |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4 | Same as national | 806 |
| Death rate for heart attack patients | 13.2 | Same as national | 164 |
| Death rate for CABG surgery patients | 2.4 | Same as national | 47 |
| Death rate for COPD patients | 8.2 | Same as national | 35 |
| Death rate for heart failure patients | 11.9 | Same as national | 145 |
| Death rate for pneumonia patients | 15.2 | Same as national | 189 |
| Death rate for stroke patients | 15.1 | Same as national | 151 |
| Pressure ulcer rate | 0.56 | Same as national | 2184 |
| Death rate among surgical inpatients with serious treatable complications | 181.12 | Same as national | 57 |
| Iatrogenic pneumothorax rate | 0.24 | Same as national | 2822 |
| In-hospital fall-associated fracture rate | 0.28 | Same as national | 2969 |
| Postoperative hemorrhage or hematoma rate | 2.20 | Same as national | 750 |
| Postoperative acute kidney injury requiring dialysis rate | 1.60 | Same as national | 60 |
| Postoperative respiratory failure rate | 7.37 | Same as national | 57 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.83 | Same as national | 862 |
| Postoperative sepsis rate | 5.84 | Same as national | 61 |
| Postoperative wound dehiscence rate | 1.69 | Same as national | 135 |
| Abdominopelvic accidental puncture or laceration rate | 1.50 | Same as national | 411 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.97 | Same as national | — |
Unplanned Hospital Visits & Readmissions
lower is better · 14 measures reported
How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | -2.3 | Not available | 184 |
| Hospital return days for heart failure patients | 14.6 | Not available | 169 |
| Hospital return days for pneumonia patients | 18.8 | Not available | 195 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.3 | Same as national | 1193 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13 | Same as national | 71 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | — | Not available | — |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | — | Not available | — |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.5 | Worse than national | 232 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.8 | Same as national | 184 |
| Rate of readmission for CABG | 10.5 | Same as national | 47 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.7 | Same as national | 40 |
| Heart failure (HF) 30-Day Readmission Rate | 19.8 | Same as national | 169 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 16 | Same as national | 195 |
Patient Experience (HCAHPS)
higher is better · 9 measures reported
What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 2 | 1079 |
| Doctor communication - star rating | 2 | 1079 |
| Communication about medicines - star rating | 1 | 1079 |
| Discharge information - star rating | 2 | 1079 |
| Cleanliness - star rating | 2 | 1079 |
| Quietness - star rating | 2 | 1079 |
| Overall hospital rating - star rating | 2 | 1079 |
| Recommend hospital - star rating | 2 | 1079 |
| Summary star rating | 2 | 1079 |
Timely & Effective Care
higher is better (unless a wait time) · 30 measures reported
How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | high | — |
| Global Malnutrition Composite Score | — | — |
| Global Malnutrition Composite Score: Malnutrition Diagnosis Documented | — | — |
| Global Malnutrition Composite Score: Malnutrition Risk Screening | — | — |
| Global Malnutrition Composite Score: Nutrition Assessment | — | — |
| Global Malnutrition Composite Score: Nutritional Care Plan | — | — |
| Hospital Harm - Severe Hyperglycemia | 2 | 15245 |
| Hospital Harm - Severe Hypoglycemia | 0 | 3100 |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 90 | 362 |
| Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better | 190 | 492 |
| Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better | 186 | 458 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 393 | 17 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | 315 | 17 |
| Left before being seen | 5 | 42045 |
| Head CT results | 88 | 24 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 99 | 85 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 11 | 1770 |
| Appropriate care for severe sepsis and septic shock | 40 | 141 |
| Septic Shock 3-Hour Bundle | 47 | 30 |
| Septic Shock 6-Hour Bundle | — | — |
| Severe Sepsis 3-Hour Bundle | 62 | 141 |
| Severe Sepsis 6-Hour Bundle | 84 | 58 |
| Discharged on Antithrombotic Therapy | — | — |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | — | — |
| Venous Thromboembolism Prophylaxis | 76 | 5108 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | — | — |
Maternal Health
lower is better · 4 measures reported
Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Not Applicable (our hospital does not provide inpatient labor/delivery care) | — |
Frequently asked questions
- How is St. Mary's Hospital rated?
- St. Mary's Hospital has a 2 out of 5 CMS overall star rating as of the latest CMS release.
- Does St. Mary's Hospital have emergency services?
- Yes. St. Mary's Hospital operates a 24/7 emergency department.
- Where is St. Mary's Hospital located?
- St. Mary's Hospital is located at 1601 West St Mary's Road, Tucson, AZ 85745.
- What type of hospital is St. Mary's Hospital?
- St. Mary's Hospital is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
Compare with nearby hospitals
Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.