Complications & Deaths Measures
20
CMS-tracked
Maryland · Acute Care
Medstar Union Memorial Hospital
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Medstar Union Memorial Hospital ranks #175 of 3182 rated US hospitals by overall star rating (highest = #1).
- 5★
- CMS overall rating
- Top 12%
- national star rank
- #175 of 3182
- Corpus placement
- 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
According to PlainHospital's CMS star-rating ranking (CMS Hospital Compare overall stars), Medstar Union Memorial Hospital ranks #175 of 3182 rated US hospitals by overall star rating (highest = #1). That corpus rank reflects a top-quartile CMS star rating nationally, with 7 quality measures beating the national benchmark.
- Top 12%
- CMS star rating vs 3,182 rated US hospitals
- #175 of 3182
- rated-hospital corpus placement
- 7
- measures better than national of 22 compared
- Yes
- emergency department on site
Since the last CMS release
This hospital held its 5-star rating across the May 2026 and August 2026 CMS releases.
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 Medstar Union Memorial 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
Medstar Union Memorial Hospital vs. Maryland and the nation
- Medstar Union Memori…
Medstar Union Memorial Hospital
5 stars
- Maryland avg
Maryland state average
3.3 stars
- US avg
National average
3.2 stars
What this shows At 5 stars, Medstar Union Memorial Hospital rates above the Maryland average of 3.3 and above the national average of 3.2.
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
Better-than-national profile for Medstar Union Memorial Hospital
Mortality 8 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 | 4 |
| Summary star rating | 3 |
Safety & Infections
| Measure | Score | vs. National |
|---|---|---|
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.194 | Better than National |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.248 | Same as National |
| Clostridium Difficile (C.Diff) | 0.486 | Better than National |
| MRSA Bacteremia | 0.225 | 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 |
Nationwide hospitals with similar CMS profiles
Peer sets for Medstar Union Memorial Hospital outside Maryland, keyed to the strong better-than-national share.
Similar CMS star rating
Nearest overall stars outside MD (5/5 here).
Similar mortality outcomes
Nearest mortality measures rated better than national, outside MD (1 better here).
Nearby Hospitals in Maryland
Other Medicare-certified hospitals in Maryland.
One of 55 Medicare-certified hospitals in Maryland, 6 are shown here.
Adventist Healthcare Fort Washington Medical Ctr
Fort Washington, MD
4/5
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
3/5
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 →
Frequently Asked Questions
How does Medstar Union Memorial Hospital compare to other hospitals on CMS star rating?
According to PlainHospital's CMS star-rating ranking, Medstar Union Memorial Hospital ranks #175 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.
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 (high-band), above the 3.2-star national average.
How does Medstar Union Memorial Hospital perform on quality measures?
7 of 22 compared mortality, safety, and readmission measures rate better than the national average at Medstar Union Memorial Hospital (strong better-share tercile); 0 rate worse (quiet).
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 4 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.
Read our methodology & full data source list · Source: CMS Hospital Compare · measure windows