CMS certification 310048
Robert Wood Johnson University Hospital - Somerset
110 Rehill Ave, Somerville, NJ 08876
Robert Wood Johnson University Hospital - Somerset has a CMS overall rating of 3 out of 5 stars. 68% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 24 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 5. Emergency patients spend a median of 3 h 8 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: 1,212 completed surveys, 20% 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 | NJ | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 384 visits sampled · US median for EDs of the same volume: 3 h 22 min | 3 h 8 min | 3 h 6 min | 2 h 42 min |
| Median time for psychiatric and mental health patients Lower is better · 34 visits sampled | 5 h 8 min | 4 h 52 min | 4 h 17 min |
| Left before being seen Lower is better · 51,852 patients | 1% | 2% | 2% |
| Stroke symptoms: brain scan read within 45 minutes Higher is better · 11 patients | 64% | 73% | 69% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 165 patients | 84% | 73% | 65% |
How Robert Wood Johnson University Hospital - Somerset 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 |
|---|---|---|---|---|
| Robert Wood Johnson University Hospital - SomersetThis hospital | 3/5 | 68% | 3 h 8 min | 2 better 5 worse |
| St Luke's Warren HospitalSame ZIP area · Phillipsburg | 5/5 | 69% | 2 h 20 min | 1 better 2 worse |
| Raritan Bay Medical CenterSame ZIP area · Perth Amboy | 4/5 | 61% | 2 h 58 min | 2 better 2 worse |
| Hunterdon Medical CenterSame ZIP area · Flemington | 4/5 | 62% | 3 h 50 min | 2 better 2 worse |
| Jfk University Medical CenterSame ZIP area · Edison | 3/5 | 56% | 3 h 17 min | 4 better 2 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 3,880 cases | Too few cases | 3.3% | 3.9% |
| Heart attack 153 cases | Too few cases | 12.3% | 11.9% |
| Heart failure 662 cases | Too few cases | 12.3% | 11.1% |
| Pneumonia 725 cases | Too few cases | 16.2% | 15.2% |
| Stroke 232 cases | Too few cases | 10% | 11.9% |
| COPD 160 cases | Too few cases | 8.2% | 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 | 0.91 likely 0.56 – 1.25 | 1 |
| After hip or knee replacement 55 cases | Too few cases | 4% | 4.1% |
| Deaths after a serious but treatable surgical complication 42 cases | No different | 196.52 per 1,000 likely 139.51 per 1,000 – 253.52 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 7,637 cases | No different | 0.46 per 1,000 likely 0 per 1,000 – 1.09 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 8,613 cases | No different | 0.23 per 1,000 likely 0.04 per 1,000 – 0.42 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 8,635 cases | No different | 0.23 per 1,000 likely 0.05 per 1,000 – 0.42 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 1,114 cases | No different | 1.83 per 1,000 likely 0.29 per 1,000 – 3.37 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 307 cases | No different | 1.6 per 1,000 likely 0 per 1,000 – 3.29 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 315 cases | No different | 8.48 per 1,000 likely 0.04 per 1,000 – 16.92 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 1,148 cases | No different | 3.3 per 1,000 likely 1.16 per 1,000 – 5.43 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 312 cases | No different | 5.33 per 1,000 likely 1.29 per 1,000 – 9.36 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 245 cases | No different | 2 per 1,000 likely 0.51 per 1,000 – 3.49 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 1,448 cases | No different | 1.04 per 1,000 likely 0.08 per 1,000 – 2 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 | 0.38 likely 0.02 – 1.86 | 1 |
| Urinary tract infections from catheters (CAUTI) | No different | 0.49 likely 0.13 – 1.34 | 1 |
| Surgical site infections after colon surgery | No different | 0 | 1 |
| MRSA bloodstream infections | No different | 1.05 likely 0.39 – 2.34 | 1 |
| C. diff intestinal infections | Better | 0.22 likely 0.11 – 0.41 | 1 |
1 more measure 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 a heart attack 173 cases | Too few cases | 15.5% | 14.4% |
| Readmitted after heart failure 857 cases | Too few cases | 23.3% | 21.3% |
| Readmitted after pneumonia 830 cases | Too few cases | 17.9% | 17.3% |
| Readmitted after COPD 253 cases | Too few cases | 19.6% | 20% |
| Readmitted after hip or knee replacement 59 cases | Too few cases | 6.2% | 5.8% |
| Days back in hospital after a heart attack 123 cases | Too few cases | 44 days per 100 | — |
| Days back in hospital after heart failure 716 cases | Too few cases | 51.4 days per 100 | — |
| Days back in hospital after pneumonia 743 cases | Too few cases | 48 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 220 cases | No different | 12.9 per 1,000 likely 9.5 per 1,000 – 17.1 per 1,000 | 13 per 1,000 |
| Hospital admissions during outpatient chemotherapy 131 cases | Worse | 14.6 per 100 likely 11.2 per 100 – 19.2 per 100 | 10.7 per 100 |
| ER visits during outpatient chemotherapy 131 cases | No different | 4.6 per 100 likely 3.1 per 100 – 6.7 per 100 | 5.4 per 100 |
| Unplanned visits after outpatient surgery 574 cases | No different | 0.8 likely 0.6 – 1.1 | — |
2 more measures had too few cases here to report.
Clinicians registered at this address
246 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 27 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 |
|---|---|
| Peer Specialist | 38 |
| Physician Assistant | 29 |
| Family Medicine | 27 |
| Emergency Medicine | 17 |
| Counselor | 13 |
| Family | 12 |
| Physical Therapist | 10 |
| Internal Medicine | 8 |
| Acute Care | 7 |
| Anesthesiology | 7 |
| Occupational Therapist | 7 |
| Pharmacist | 7 |
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 $54,376
- 2020 $17,385
- 2021 $24,713
- 2022 $18,705
- 2023 $28,280
- 2024 $21,433
- 2025 $14,690
What the 2025 general payments were for
| Type of payment | Amount | Payments |
|---|---|---|
| Debt forgiveness | $25 | 1 |
Largest paying companies, 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $14,665 | 1 |
| Aesculap, Inc. | $25 | 1 |
Largest research studies funded here, 2025
| Study | Amount |
|---|---|
| Connect MM: The Multiple Myeloma Disease Registry. The purpose of the Connect MM Registry is to explore the natural history and real world management… E.R. Squibb & Sons, L.L.C. | $14,665 |
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 Robert Wood Johnson University Hospital - Somerset
Is Robert Wood Johnson University Hospital - Somerset a good hospital?
Robert Wood Johnson University Hospital - Somerset has a CMS overall rating of 3 out of 5 stars. Of the 24 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 5. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Robert Wood Johnson University Hospital - Somerset?
68% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 1,212 completed HCAHPS surveys.
How long is the wait in the Robert Wood Johnson University Hospital - Somerset emergency room?
Emergency patients spend a median of 3 h 8 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. 1% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.
Does Robert Wood Johnson University Hospital - Somerset receive money from drug and device companies?
Drug and device makers reported $14,690 in payments to Robert Wood Johnson University Hospital - Somerset 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.