Complications & Deaths Measures
20
CMS-tracked
Maryland · Acute Care
Medstar Union Memorial Hospital
Medstar Union Memorial Hospital holds a 5 of 5 CMS overall star rating - above the national average of 3.1 - in Baltimore, MD.
- 5★
- CMS overall rating
- 90th
- National percentile
- 20
- Quality measures
- 6
- Infection types
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.
201 East University Parkway, Baltimore, MD 21218 · Baltimore City County · (410) 554-2227
The verdict
Medstar Union Memorial Hospital earns 5 of 5 stars from CMS - above the 3.1-star national average, and reports 3 quality measures better than the national benchmark.
- 5 / 5
- CMS overall star rating
- Higher than 90%
- of 2,866 rated US hospitals
- 3
- measures better than national of 21 compared
- Yes
- emergency department on site
Where Medstar Union Memorial Hospital sits among rated US hospitals
5 Top 10% higher than 90% of 2,866 rated hospitals
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, share, and where it sits relative to this entry.
Source CMS Hospital Compare, overall hospital rating · 2026-05-15
Medstar Union Memorial Hospital vs. Maryland and the nation
- Medstar Union Memori…
Medstar Union Memorial Hospital
5 stars
- Maryland avg
Maryland state average
3.1 stars
- US avg
National average
3.1 stars
What this shows At 5 stars, Medstar Union Memorial Hospital rates above the Maryland average of 3.1 and above the national average of 3.1.
Type
Acute Care Hospitals
Ownership
Voluntary non-profit - Other
Emergency Services
Yes
Birthing Friendly
N/A
Patient Experience
17
HCAHPS domains
Infection Types
6
CDC NHSN
CMS Overall Star Rating 100.0%
5 of 5 stars
Quality profile vs. the national benchmark
Mortality 7 measures
Safety of care 6 measures
Readmission 8 measures
Better than national Same as national Worse than national
Quality Measures
| Measure | Score | vs. National |
|---|---|---|
| Abdominopelvic accidental puncture or laceration rate | 0.94 | Same as National |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.98 | Same as National |
| Death rate among surgical inpatients with serious treatable complications | 167.71 | Same as National |
| Death rate for CABG surgery patients | 2 | Same as National |
| Death rate for COPD patients | 7.1 | Same as National |
| Death rate for heart attack patients | 11.3 | Same as National |
| Death rate for heart failure patients | 8.6 | Better than National |
| Death rate for pneumonia patients | 12.9 | Same as National |
| Death rate for stroke patients | 13.7 | Same as National |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.7 | Same as National |
| Iatrogenic pneumothorax rate | 0.28 | Same as National |
| In-hospital fall-associated fracture rate | 0.24 | Same as National |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 2.94 | Same as National |
| Postoperative acute kidney injury requiring dialysis rate | 1.34 | Same as National |
| Postoperative hemorrhage or hematoma rate | 2.53 | Same as National |
Patient Experience (HCAHPS)
Experience profile vs. the national average
Source: CMS Hospital Compare, HCAHPS patient survey star ratings.
| Survey Question | Star Rating |
|---|---|
| Cleanliness - linear mean score | N/A |
| Cleanliness - star rating | 3 |
| Communication about medicines - linear mean score | N/A |
| Communication about medicines - star rating | 2 |
| Discharge information - linear mean score | N/A |
| Discharge information - star rating | 3 |
| Doctor communication - linear mean score | N/A |
| Doctor communication - star rating | 3 |
| Nurse communication - linear mean score | N/A |
| Nurse communication - star rating | 2 |
| Overall hospital rating - linear mean score | N/A |
| Overall hospital rating - star rating | 3 |
| Quietness - linear mean score | N/A |
| Quietness - star rating | 2 |
| Recommend hospital - linear mean score | N/A |
| Recommend hospital - star rating | 3 |
| Summary star rating | 3 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0 | Better than National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.222 | Same as National |
| Clostridium Difficile (C.Diff) | 0.301 | Better than National |
| MRSA Bacteremia | 0.218 | Same as National |
| SSI - Abdominal Hysterectomy | N/A | Not Available |
| SSI - Colon Surgery | N/A | Not Available |
Staffing & Spending
Unplanned Visits & Readmissions
| Measure | Score | vs. National |
|---|---|---|
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 11.7 | Same as National |
| Heart failure (HF) 30-Day Readmission Rate | 18 | Same as National |
| Hospital return days for heart attack patients | -22.8 | Fewer Days Than Average per 100 Discharges |
| Hospital return days for heart failure patients | -11.3 | Fewer Days Than Average per 100 Discharges |
| Hospital return days for pneumonia patients | -20.8 | Fewer Days Than Average per 100 Discharges |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 13.5 | Better than National |
| Pneumonia (PN) 30-Day Readmission Rate | 14.5 | Same as National |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | N/A | Number of Cases Too Small |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | N/A | Number of Cases Too Small |
| Rate of readmission after hip/knee replacement | 4 | Same as National |
| Rate of readmission for CABG | 9.3 | Same as National |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.5 | Same as National |
| 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 | 0.9 | Same as National |
Medicare Spending
| Measure | Score |
|---|---|
| Medicare hospital spending per patient (Medicare Spending per Beneficiary) | N/A |
Maternal Health
| 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 |
Nearby Hospitals in Maryland
Other Medicare-certified hospitals in Maryland.
Adventist Healthcare Fort Washington Medical Ctr
Fort Washington, MD
2/5
Acute Care Hospitals
Adventist Healthcare Shady Grove Medical Center
Rockville, MD
2/5
Acute Care Hospitals
Adventist Healthcare White Oak Medical Center
Silver Spring, MD
2/5
Acute Care Hospitals
Atlantic General Hospital
Berlin, MD
3/5
Acute Care Hospitals
Brook Lane Health Services
Hagerstown, MD
No rating Psychiatric
Calverthealth Medical Center
Prince Frederick, MD
5/5
Acute Care Hospitals
Compare Medstar Union Memorial Hospital vs Adventist Healthcare Fort Washington Medical Ctr →
Hospital Quality Guides
Frequently Asked Questions
What is the CMS star rating for Medstar Union Memorial Hospital?
Medstar Union Memorial Hospital has an overall CMS star rating of 5 out of 5, above the 3.1-star national average.
How does Medstar Union Memorial Hospital perform on quality measures?
3 of 21 compared mortality, safety, and readmission measures rate better than the national average at Medstar Union Memorial Hospital; 0 rate worse.
What do patients say about Medstar Union Memorial Hospital?
Medstar Union Memorial Hospital reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 3 out of 5.
What are the infection rates at Medstar Union Memorial Hospital?
Medstar Union Memorial Hospital tracks 6 healthcare-associated infection types (CDC NHSN). 2 are better than the national benchmark, 0 are worse, and 2 are at the national average.
Does Medstar Union Memorial Hospital have emergency services?
Yes, Medstar Union Memorial Hospital provides emergency services.
What type of hospital is Medstar Union Memorial Hospital?
Medstar Union Memorial Hospital is a Acute Care Hospitals facility with Voluntary non-profit - Other ownership, located in Baltimore, MD.
How much does Medicare spend at Medstar Union Memorial Hospital?
1 Medicare spending category is on file for Medstar Union Memorial Hospital, per episode vs. the national median.
Does Medstar Union Memorial Hospital offer maternal health services?
Yes, Medstar Union Memorial Hospital reports 4 maternal health measures.
Data Sources
Source: Centers for Medicare & Medicaid Services (CMS) Hospital Compare. Last refreshed from CMS: . About PlainHospital
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