South Carolina · Acute Care

Trident Medical Center

Trident Medical Center holds a 3 of 5 CMS overall star rating - below the national average of 3.1 - in Charleston, SC.

3★
CMS overall rating
31th
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.

9330 Medical Plaza Dr, Charleston, SC 29406 · Charleston County · (843) 847-4100

The verdict

Trident Medical Center earns 3 of 5 stars from CMS - below the 3.1-star national average, and reports 2 quality measures better than the national benchmark against 1 worse.

3 / 5
CMS overall star rating
Higher than 31%
of 2,866 rated US hospitals
2
measures better than national of 26 compared
Yes
emergency department on site

Where Trident Medical Center sits among rated US hospitals

3 Top 69% higher than 31% of 2,866 rated hospitals

1–2: 229 rated hospitals (8%). Below this entry. 2–3: 649 rated hospitals (23%). Below this entry. 3–4: 935 rated hospitals (33%). This entry sits in this band. 4–5: 765 rated hospitals (27%). Above this entry. 5–6: 288 rated hospitals (10%). Above this entry. This hospital 1★ 5★ 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, share, and where it sits relative to this entry.

Source CMS Hospital Compare, overall hospital rating · 2026-05-15

Trident Medical Center vs. South Carolina and the nation

stars

What this shows At 3 stars, Trident Medical Center rates below the South Carolina average of 3.3 and below the national average of 3.1.

Source CMS Hospital Compare As of 2026-05-15
Type
Acute Care Hospitals
Ownership
Proprietary
Emergency Services
Yes
Birthing Friendly
Yes

Complications & Deaths Measures

20

CMS-tracked

Patient Experience

17

HCAHPS domains

Infection Types

6

CDC NHSN

CMS Overall Star Rating 60.0%

3 of 5 stars

Quality profile vs. the national benchmark

Mortality 7 measures
Safety of care 8 measures
Readmission 11 measures
Better than national Same as national Worse than national

Quality Measures

Measure Score vs. National
Abdominopelvic accidental puncture or laceration rate 0.9 Same as National
CMS Medicare PSI 90: Patient safety and adverse events composite 0.81 Same as National
Death rate among surgical inpatients with serious treatable complications 174.05 Same as National
Death rate for CABG surgery patients 2.1 Same as National
Death rate for COPD patients 11 Same as National
Death rate for heart attack patients 10.6 Same as National
Death rate for heart failure patients 10.9 Same as National
Death rate for pneumonia patients 16.9 Same as National
Death rate for stroke patients 12.9 Same as National
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate 4.6 Same as National
Iatrogenic pneumothorax rate 0.11 Same as National
In-hospital fall-associated fracture rate 0.25 Same as National
Perioperative pulmonary embolism or deep vein thrombosis rate 2.96 Same as National
Postoperative acute kidney injury requiring dialysis rate 1.25 Same as National
Postoperative hemorrhage or hematoma rate 1.65 Same as National

Patient Experience (HCAHPS)

Experience profile vs. the national average

Radar chart 6-axis radar comparing 1 series across Nurse comms, Doctor comms, Medicine comms, Discharge info, Cleanliness, Quietness. Nurse commsDoctor commsMedicine commsDischarge infoCleanlinessQuietness 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
3
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) 0.614 Same as National
Central Line Associated Bloodstream Infection (ICU + select Wards) 0.828 Same as National
Clostridium Difficile (C.Diff) 0.28 Better than National
MRSA Bacteremia 0.534 Same as National
SSI - Abdominal Hysterectomy 0.79 Same as National
SSI - Colon Surgery 0.635 Same as National

Staffing & Spending

Unplanned Visits & Readmissions

Measure Score vs. National
Acute Myocardial Infarction (AMI) 30-Day Readmission Rate 14 Same as National
Heart failure (HF) 30-Day Readmission Rate 19.8 Same as National
Hospital return days for heart attack patients 32 More Days Than Average per 100 Discharges
Hospital return days for heart failure patients 18.6 More Days Than Average per 100 Discharges
Hospital return days for pneumonia patients -3 Average Days per 100 Discharges
Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) 14.9 Same as National
Pneumonia (PN) 30-Day Readmission Rate 15.7 Same as National
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy 5 Same as National
Rate of inpatient admissions for patients receiving outpatient chemotherapy 10.7 Same as National
Rate of readmission after hip/knee replacement 5.6 Same as National
Rate of readmission for CABG 10.4 Same as National
Rate of readmission for chronic obstructive pulmonary disease (COPD) patients 19.8 Same as National
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) 13.4 Same as National
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) 1.01

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 South Carolina

Other Medicare-certified hospitals in South Carolina.

Compare Trident Medical Center vs Abbeville Area Medical Center →

Frequently Asked Questions

What is the CMS star rating for Trident Medical Center?

Trident Medical Center has an overall CMS star rating of 3 out of 5, below the 3.1-star national average.

How does Trident Medical Center perform on quality measures?

2 of 26 compared mortality, safety, and readmission measures rate better than the national average at Trident Medical Center; 1 rate worse.

What do patients say about Trident Medical Center?

Trident Medical Center reports 17 HCAHPS patient-experience domain scores. Star ratings range from 2 to 3 out of 5.

What are the infection rates at Trident Medical Center?

Trident Medical Center tracks 6 healthcare-associated infection types (CDC NHSN). 1 are better than the national benchmark, 0 are worse, and 5 are at the national average.

Does Trident Medical Center have emergency services?

Yes, Trident Medical Center provides emergency services.

What type of hospital is Trident Medical Center?

Trident Medical Center is a Acute Care Hospitals facility with Proprietary ownership, located in Charleston, SC. This facility has received the CMS Birthing-Friendly designation.

How much does Medicare spend at Trident Medical Center?

1 Medicare spending category is on file for Trident Medical Center, per episode vs. the national median.

Does Trident Medical Center offer maternal health services?

Yes, Trident Medical Center reports 4 maternal health measures. This facility has been designated as Birthing-Friendly by CMS.

Data Sources

Source: Centers for Medicare & Medicaid Services (CMS) Hospital Compare. Last refreshed from CMS: . About PlainHospital

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