CMS certification 210028
Medstar Saint Mary's Hospital
25500 Point Lookout Road, Leonardtown, MD 20650
Medstar Saint Mary's Hospital has a CMS overall rating of 4 out of 5 stars. 60% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 22 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 1. Emergency patients spend a median of 4 h 16 min in its emergency department before leaving (US median 2 h 42 min).
Every figure on this page is published by CMS; we arrange and explain it, and score nothing ourselves.
What patients said
Answers from patients who stayed here, collected by CMS in the national HCAHPS survey: 490 completed surveys, 16% response rate, Oct 2024 – Sep 2025.
Emergency department
How long emergency patients spent here and how some time-critical care went, from CMS's timely and effective care measures, Oct 2024 – Sep 2025. CMS classes this emergency department's patient volume as high; busier departments tend to have longer times, so the national median for departments of the same volume is shown too. These are medians over a year of visits, not a live wait time.
| Measure | This hospital | MD | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 372 visits sampled · US median for EDs of the same volume: 3 h 22 min | 4 h 16 min | 4 h 6 min | 2 h 42 min |
| Median time for psychiatric and mental health patients Lower is better · 19 visits sampled | 4 h 11 min | 6 h 55 min | 4 h 17 min |
| Left before being seen Lower is better · 44,458 patients | 3% | 3% | 2% |
| Stroke symptoms: brain scan read within 45 minutes Higher is better · 29 patients | 100% | 69% | 69% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 127 patients | 55% | 65% | 65% |
How Medstar Saint Mary's Hospital compares with nearby hospitals
The closest hospitals of the same kind that CMS rates or surveys - the same city first, then the same county and ZIP area. Every figure is CMS's: the overall star rating, the share of patients who would definitely recommend the hospital, the median time emergency patients spent before leaving, and how many death, complication, infection and readmission measures CMS found better or worse than the national rate.
| Hospital | CMS stars | Would recommend | ER median time | Vs the nation |
|---|---|---|---|---|
| Medstar Saint Mary's HospitalThis hospital | 4/5 | 60% | 4 h 16 min | 2 better 1 worse |
| University of MD Charles Regional Medical CenterSame ZIP area · La Plata | 3/5 | 59% | 4 h 22 min | 1 better 2 worse |
| Calverthealth Medical CenterSame ZIP area · Prince Frederick | 5/5 | 69% | 3 h 14 min | No different |
Hospitals differ in size and in how sick their patients are. CMS adjusts its outcome measures for that, but a star or a percentage is a starting point for questions, not a verdict.
Deaths
How many patients died within 30 days of admission, adjusted by CMS for how sick they were. Lower is better. Data from Jul 2022 – Jun 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| All patients, hospital-wide 962 cases | Too few cases | 3.8% | 3.9% |
| Heart attack 56 cases | Too few cases | 11.8% | 11.9% |
| Heart failure 311 cases | Too few cases | 13.1% | 11.1% |
| Pneumonia 355 cases | Too few cases | 17.1% | 15.2% |
| Stroke 100 cases | Too few cases | 9.2% | 11.9% |
| COPD 178 cases | Too few cases | 9.9% | 8.6% |
1 more measure had too few cases here to report.
Complications
How often patients had serious complications, most of them after surgery, adjusted for how sick they were. Lower is better. Data from Jul 2022 – Jun 2024.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Serious complications, combined measure | No different | 0.88 likely 0.51 – 1.26 | 1 |
| After hip or knee replacement 27 cases | Too few cases | 4.1% | 4.1% |
| Deaths after a serious but treatable surgical complication 28 cases | No different | 160.26 per 1,000 likely 96.93 per 1,000 – 223.59 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 3,373 cases | No different | 0.52 per 1,000 likely 0 per 1,000 – 1.34 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 4,517 cases | No different | 0.18 per 1,000 likely 0 per 1,000 – 0.4 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 4,593 cases | No different | 0.23 per 1,000 likely 0.03 per 1,000 – 0.44 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 594 cases | No different | 2.07 per 1,000 likely 0.44 per 1,000 – 3.71 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 268 cases | No different | 1.36 per 1,000 likely 0 per 1,000 – 2.93 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 275 cases | No different | 8.06 per 1,000 likely 0 per 1,000 – 16.14 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 633 cases | No different | 3.57 per 1,000 likely 1.22 per 1,000 – 5.91 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 266 cases | No different | 4.68 per 1,000 likely 0.58 per 1,000 – 8.79 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 119 cases | No different | 1.67 per 1,000 likely 0.18 per 1,000 – 3.17 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 522 cases | No different | 0.93 per 1,000 likely 0 per 1,000 – 1.96 per 1,000 | 1.06 per 1,000 |
Infections caught in the hospital
Standardized infection ratio: 1.0 means as many infections as CMS predicted for a hospital like this one. Lower is better. Data from Oct 2024 – Sep 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Bloodstream infections from central lines (CLABSI) | No different | 1.19 likely 0.2 – 3.92 | 1 |
| Urinary tract infections from catheters (CAUTI) | No different | 0 | 1 |
| MRSA bloodstream infections | No different | 0 | 1 |
| C. diff intestinal infections | Better | 0.15 likely 0.05 – 0.36 | 1 |
2 more measures had too few cases here to report.
Readmissions and return visits
How often patients had to come back to a hospital after going home. Lower is better. Data from Jul 2023 – Jun 2025.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Readmitted after heart failure 220 cases | Too few cases | 19.5% | 21.3% |
| Readmitted after pneumonia 216 cases | Too few cases | 15.5% | 17.3% |
| Readmitted after COPD 114 cases | Too few cases | 19.3% | 20% |
| Days back in hospital after heart failure 350 cases | Too few cases | 18.1 days per 100 | — |
| Days back in hospital after pneumonia 388 cases | Too few cases | -16.5 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 321 cases | No different | 13.1 per 1,000 likely 9.7 per 1,000 – 17.3 per 1,000 | 13 per 1,000 |
| Hospital admissions during outpatient chemotherapy 66 cases | No different | 9.6 per 100 likely 6.7 per 100 – 13.3 per 100 | 10.7 per 100 |
| ER visits during outpatient chemotherapy 66 cases | No different | 5.4 per 100 likely 3.5 per 100 – 8.1 per 100 | 5.4 per 100 |
| Unplanned visits after outpatient surgery 327 cases | No different | 1.2 likely 0.9 – 1.6 | — |
5 more measures had too few cases here to report.
Clinicians registered at this address
105 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry. The same address can take in offices and clinics in the building, and a listing does not prove admitting privileges or current employment.
| Specialty | Clinicians |
|---|---|
| Emergency Medicine | 14 |
| Internal Medicine | 9 |
| Family | 7 |
| Physician Assistant | 7 |
| Health Educator | 6 |
| Anesthesiology | 5 |
| Dietitian, Registered | 4 |
| Nurse Anesthetist, Certified Registered | 4 |
| Pediatrics | 4 |
| Physical Therapist | 4 |
| Surgery | 3 |
| Anatomic Pathology & Clinical Pathology | 2 |
First 12 alphabetically
How to read this page
- Everything here is published by CMS on Care Compare. We arrange it and explain it; the star ratings and the better / worse verdicts are CMS's, not ours.
- “No different” is the most common result on most measures at most hospitals. CMS only calls a result better or worse when the difference from the national rate is statistically clear.
- Death, complication and readmission rates are adjusted by CMS for how sick patients were, so hospitals that treat sicker patients can be compared fairly.
- Infection results are ratios: 1.0 means as many infections as CMS predicted for a hospital like this one, below 1.0 is fewer.
- These are hospital-wide results. They do not rate an individual doctor, nurse or department, and they are not medical advice.
CMS Care Compare data retrieved 4 Oct 2026, refreshed weekly. Where this data comes from and how we handle it · Report an error
Common questions about Medstar Saint Mary's Hospital
Is Medstar Saint Mary's Hospital a good hospital?
Medstar Saint Mary's Hospital has a CMS overall rating of 4 out of 5 stars. Of the 22 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 1. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Medstar Saint Mary's Hospital?
60% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 490 completed HCAHPS surveys.
How long is the wait in the Medstar Saint Mary's Hospital emergency room?
Emergency patients spend a median of 4 h 16 min in its emergency department before leaving (US median 2 h 42 min). Among US emergency departments with high patient volume, like this one, the median is 3 h 22 min. 3% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.