CMS certification 110035
Wellstar Kennestone Regional Medical Center
677 Church Street, Marietta, GA 30060
Wellstar Kennestone Regional Medical Center has a CMS overall rating of 4 out of 5 stars. 69% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 27 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 8 and worse on 1. Emergency patients spend a median of 4 h 22 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: 1,814 completed surveys, 21% 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 very 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 | GA | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 357 visits sampled · US median for EDs of the same volume: 3 h 21 min | 4 h 22 min | 2 h 42 min | 2 h 42 min |
| Median time for psychiatric and mental health patients Lower is better · 14 visits sampled | 8 h 21 min | 5 h 8 min | 4 h 17 min |
| Left before being seen Lower is better · 147,726 patients | 1% | 2% | 2% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 183 patients | 88% | 63% | 65% |
How Wellstar Kennestone Regional Medical Center 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 |
|---|---|---|---|---|
| Wellstar Kennestone Regional Medical CenterThis hospital | 4/5 | 69% | 4 h 22 min | 8 better 1 worse |
| Wellstar Cobb Medical CenterSame county · Austell | 3/5 | 69% | 4 h 22 min | 3 better 1 worse |
| Emory Hillandale HospitalSame ZIP area · Lithonia | 1/5 | 66% | 3 h 25 min | 1 better 2 worse |
| Northside Hospital GwinnettSame ZIP area · Lawrenceville | 3/5 | 71% | 4 h 32 min | 4 better 2 worse |
| Wellstar North Fulton Medical CenterSame ZIP area · Roswell | 2/5 | 68% | 2 h 56 min | 2 better 3 worse |
| Piedmont Eastside Medical CenterSame ZIP area · Snellville | 2/5 | 57% | 3 h 4 min | 1 better 1 worse |
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 9,207 cases | Too few cases | 2.7% | 3.9% |
| Heart attack 265 cases | Too few cases | 9.9% | 11.9% |
| Heart failure 1,157 cases | Too few cases | 9.4% | 11.1% |
| Pneumonia 1,099 cases | Too few cases | 14.6% | 15.2% |
| Stroke 1,308 cases | Too few cases | 9.6% | 11.9% |
| COPD 258 cases | Too few cases | 7.2% | 8.6% |
| Heart bypass surgery (CABG) 258 cases | Too few cases | 2.1% | 2.4% |
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 | 1 likely 0.8 – 1.2 | 1 |
| After hip or knee replacement 43 cases | Too few cases | 4% | 4.1% |
| Deaths after a serious but treatable surgical complication 280 cases | No different | 165.05 per 1,000 likely 133.28 per 1,000 – 196.81 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 13,860 cases | No different | 0.42 per 1,000 likely 0 per 1,000 – 0.83 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 15,736 cases | No different | 0.13 per 1,000 likely 0 per 1,000 – 0.3 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 16,210 cases | No different | 0.29 per 1,000 likely 0.13 per 1,000 – 0.46 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 3,670 cases | No different | 2.44 per 1,000 likely 1.27 per 1,000 – 3.61 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 1,746 cases | No different | 2.18 per 1,000 likely 0.98 per 1,000 – 3.38 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 1,692 cases | No different | 8.65 per 1,000 likely 5.02 per 1,000 – 12.28 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 4,210 cases | No different | 4.67 per 1,000 likely 3.19 per 1,000 – 6.14 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 1,707 cases | No different | 5.02 per 1,000 likely 2.41 per 1,000 – 7.63 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 849 cases | No different | 2.15 per 1,000 likely 0.81 per 1,000 – 3.49 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 2,900 cases | No different | 1.78 per 1,000 likely 0.99 per 1,000 – 2.57 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) | Better | 0.46 likely 0.27 – 0.74 | 1 |
| Urinary tract infections from catheters (CAUTI) | Better | 0.19 likely 0.09 – 0.36 | 1 |
| Surgical site infections after colon surgery | Better | 0.35 likely 0.13 – 0.78 | 1 |
| Surgical site infections after abdominal hysterectomy | No different | 1.22 likely 0.39 – 2.95 | 1 |
| MRSA bloodstream infections | No different | 0.81 likely 0.45 – 1.35 | 1 |
| C. diff intestinal infections | Better | 0.34 likely 0.24 – 0.46 | 1 |
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 a heart attack 465 cases | Too few cases | 14.9% | 14.4% |
| Readmitted after heart failure 1,756 cases | Too few cases | 20.5% | 21.3% |
| Readmitted after pneumonia 1,629 cases | Too few cases | 18% | 17.3% |
| Readmitted after COPD 475 cases | Too few cases | 20.9% | 20% |
| Readmitted after heart bypass surgery 316 cases | Too few cases | 12% | 11% |
| Readmitted after hip or knee replacement 37 cases | Too few cases | 5.6% | 5.8% |
| Days back in hospital after a heart attack 332 cases | Too few cases | 11.5 days per 100 | — |
| Days back in hospital after heart failure 1,319 cases | Too few cases | 1.7 days per 100 | — |
| Days back in hospital after pneumonia 1,139 cases | Too few cases | 25.6 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 1,036 cases | No different | 12.1 per 1,000 likely 9.4 per 1,000 – 15.6 per 1,000 | 13 per 1,000 |
| Hospital admissions during outpatient chemotherapy 55 cases | No different | 9.6 per 100 likely 6.4 per 100 – 14.1 per 100 | 10.7 per 100 |
| ER visits during outpatient chemotherapy 55 cases | No different | 5.1 per 100 likely 3.2 per 100 – 8.1 per 100 | 5.4 per 100 |
| Unplanned visits after outpatient surgery 1,406 cases | No different | 0.9 likely 0.8 – 1.1 | — |
1 more measure had too few cases here to report.
Clinicians registered at this address
386 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 165 residents and trainees. 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 |
|---|---|
| Anesthesiologist Assistant | 67 |
| Hospitalist | 54 |
| Emergency Medicine | 42 |
| Anesthesiology | 29 |
| Nurse Anesthetist, Certified Registered | 23 |
| Internal Medicine | 22 |
| Acute Care | 14 |
| Family | 12 |
| Registered Nurse | 10 |
| Physician Assistant | 9 |
| Pediatrics | 7 |
| Anatomic Pathology & Clinical Pathology | 6 |
First 12 alphabetically
Money from drug and device companies
Drug and device makers have to report what they pay teaching hospitals to CMS's Open Payments program. At many teaching hospitals most of it is research funding, or royalties for inventions the hospital licensed to a company. A payment on its own does not show a conflict of interest.
- 2019 $152,603
- 2020 $17,159
- 2021 $209,200
- 2022 $8,885
- 2023 $45,324
- 2024 $13,737
- 2025 $168,950
What the 2025 general payments were for
| Type of payment | Amount | Payments |
|---|---|---|
| Medical devices and supplies on long-term loan | $12,247 | 1 |
| Speaking, teaching and other services | $7,497 | 5 |
| Space rental and facility fees | $5,075 | 3 |
| Food and beverage | $677 | 1 |
Largest paying companies, 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $82,880 | 8 |
| Medtronic, Inc. | $60,574 | 3 |
| IRRAS USA, Inc. | $12,247 | 1 |
| Medline Industries LP | $5,347 | 4 |
| ZOLL Medical Corporation | $2,800 | 1 |
| Abbott Laboratories | $2,425 | 2 |
| Vertex Pharmaceuticals Incorporated | $2,000 | 1 |
| Zimmer Biomet Holdings, Inc. | $677 | 1 |
Largest research studies funded here, 2025
| Study | Amount |
|---|---|
| Prospective, Multicenter, Single-Arm IDE Study of the Shockwave Coronary Intravascular Lithotripsy (IVL) System With the Shockwave C2+ 2Hz Coronary I… Shockwave Medical, Inc | $61,590 |
| SPYRAL AFFIRM Medtronic, Inc. | $60,574 |
| Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II Shockwave Medical, Inc | $21,290 |
Amounts are as the paying companies reported them to CMS; Open Payments data retrieved 13 Sep 2026. Full record on CMS Open Payments.
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 Wellstar Kennestone Regional Medical Center
Is Wellstar Kennestone Regional Medical Center a good hospital?
Wellstar Kennestone Regional Medical Center has a CMS overall rating of 4 out of 5 stars. Of the 27 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 8 and worse on 1. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Wellstar Kennestone Regional Medical Center?
69% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 1,814 completed HCAHPS surveys.
How long is the wait in the Wellstar Kennestone Regional Medical Center emergency room?
Emergency patients spend a median of 4 h 22 min in its emergency department before leaving (US median 2 h 42 min). Among US emergency departments with very high patient volume, like this one, the median is 3 h 21 min. 1% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.
Does Wellstar Kennestone Regional Medical Center receive money from drug and device companies?
Drug and device makers reported $168,950 in payments to Wellstar Kennestone Regional Medical Center for 2025, most of it research funding, under the federal Open Payments program. A payment on its own does not show a conflict of interest.