Acute Care Hospitals · Voluntary non-profit - Private
Medstar Saint Mary's Hospital
- 25500 Point Lookout Road, Leonardtown, MD 20650
- (301) 475-6001
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Medstar Saint Mary's Hospital carries a 4-star CMS overall rating — above 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 1 measure and trails on 0.
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 | 0.196 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 3.864 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 1934 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 1.710 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 2 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 1.170 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | — | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.340 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 2231 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 2.235 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 0 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.000 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | — | Not available |
| SSI - Colon Surgery: Upper Confidence Limit | — | Not available |
| SSI - Colon Surgery: Number of Procedures | 33 | Not available |
| SSI - Colon Surgery: Predicted Cases | 0.813 | Not available |
| SSI - Colon Surgery: Observed Cases | 1 | Not available |
| SSI - Colon Surgery | — | Not available |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | 11 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.101 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | — | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 1.850 | Same as national |
| MRSA Bacteremia: Patient Days | 33111 | Same as national |
| MRSA Bacteremia: Predicted Cases | 1.619 | Same as national |
| MRSA Bacteremia: Observed Cases | 0 | Same as national |
| MRSA Bacteremia | 0.000 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.099 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.510 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 31066 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 24.462 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 6 | Better than national |
| Clostridium Difficile (C.Diff) | 0.245 | 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 | 3.5 | Same as national | 124 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.8 | Same as national | 1053 |
| Death rate for heart attack patients | 12.1 | Same as national | 71 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 9.3 | Same as national | 203 |
| Death rate for heart failure patients | 10.6 | Same as national | 345 |
| Death rate for pneumonia patients | 16.7 | Same as national | 391 |
| Death rate for stroke patients | 12.7 | Same as national | 190 |
| Pressure ulcer rate | 0.52 | Same as national | 3373 |
| Death rate among surgical inpatients with serious treatable complications | 160.26 | Same as national | 28 |
| Iatrogenic pneumothorax rate | 0.18 | Same as national | 4517 |
| In-hospital fall-associated fracture rate | 0.23 | Same as national | 4593 |
| Postoperative hemorrhage or hematoma rate | 2.07 | Same as national | 594 |
| Postoperative acute kidney injury requiring dialysis rate | 1.36 | Same as national | 268 |
| Postoperative respiratory failure rate | 8.06 | Same as national | 275 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.57 | Same as national | 633 |
| Postoperative sepsis rate | 4.68 | Same as national | 266 |
| Postoperative wound dehiscence rate | 1.67 | Same as national | 119 |
| Abdominopelvic accidental puncture or laceration rate | 0.93 | Same as national | 522 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.88 | 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 | — | Not available | — |
| Hospital return days for heart failure patients | 39 | Not available | 399 |
| Hospital return days for pneumonia patients | -6.2 | Not available | 424 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 13.3 | Better than national | 1562 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.1 | Same as national | 321 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 9.6 | Same as national | 66 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.4 | Same as national | 66 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.2 | Same as national | 327 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13 | Same as national | 36 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 16.3 | Same as national | 214 |
| Heart failure (HF) 30-Day Readmission Rate | 20.4 | Same as national | 399 |
| Rate of readmission after hip/knee replacement | 4.4 | Same as national | 89 |
| Pneumonia (PN) 30-Day Readmission Rate | 14 | Same as national | 424 |
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 | 4 | 476 |
| Doctor communication - star rating | 4 | 476 |
| Communication about medicines - star rating | 2 | 476 |
| Discharge information - star rating | 3 | 476 |
| Cleanliness - star rating | 3 | 476 |
| Quietness - star rating | 3 | 476 |
| Overall hospital rating - star rating | 3 | 476 |
| Recommend hospital - star rating | 3 | 476 |
| Summary star rating | 3 | 476 |
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 | — | — |
| Hospital Harm - Severe Hypoglycemia | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 96 | 1725 |
| 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 | 257 | 405 |
| 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 | 254 | 374 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 287 | 19 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | 690 | 13 |
| Left before being seen | 3 | 44458 |
| Head CT results | 100 | 32 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 99 | 112 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 14 | 990 |
| Appropriate care for severe sepsis and septic shock | 52 | 119 |
| Septic Shock 3-Hour Bundle | 62 | 39 |
| Septic Shock 6-Hour Bundle | 88 | 17 |
| Severe Sepsis 3-Hour Bundle | 80 | 119 |
| Severe Sepsis 6-Hour Bundle | 76 | 68 |
| Discharged on Antithrombotic Therapy | — | — |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 92 | 71 |
| Venous Thromboembolism Prophylaxis | 97 | 1919 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 98 | 533 |
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 | Yes | — |
Frequently asked questions
- How is Medstar Saint Mary's Hospital rated?
- Medstar Saint Mary's Hospital has a 4 out of 5 CMS overall star rating as of the latest CMS release.
- Does Medstar Saint Mary's Hospital have emergency services?
- Yes. Medstar Saint Mary's Hospital operates a 24/7 emergency department.
- Where is Medstar Saint Mary's Hospital located?
- Medstar Saint Mary's Hospital is located at 25500 Point Lookout Road, Leonardtown, MD 20650.
- What type of hospital is Medstar Saint Mary's Hospital?
- Medstar Saint Mary's Hospital is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
Compare with nearby hospitals
- Compare side-by-side →Not rated overall
Mount Washington Pediatric Hospital
Baltimore, MD
- Compare side-by-side →Not rated overall
VA Maryland Healthcare System - Perry Point
Perry Point, MD
- Compare side-by-side →Not rated overall
Baltimore, MD
- Compare side-by-side →Not rated overall
Levindale Hebrew Geriatric Center and Hospital
Baltimore, MD
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.