USCareCheck

CMS certification 050292

Riverside University Health System-Medical Center

26520 Cactus Avenue, Moreno Valley, CA 92555

Acute Care Hospitals Emergency services Birthing-friendly

Riverside University Health System-Medical Center has a CMS overall rating of 3 out of 5 stars. 66% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 21 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 4 and worse on 1. Emergency patients spend a median of 3 h 54 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.

CMS overall rating 3/5 CMS summary of quality measures
Would definitely recommend 66% US average 71%
Patient survey rating 2/5 416 completed surveys
Compared with the nation 1 worse 4 better of 21 measures CMS could compare

What patients said

Answers from patients who stayed here, collected by CMS in the national HCAHPS survey: 416 completed surveys, 10% response rate, Oct 2024 – Sep 2025.

Would definitely recommend the hospital
66%
CA 69% · US 71% · 3 of 5 stars
Rated the hospital 9 or 10 out of 10
65%
CA 68% · US 72% · 3 of 5 stars
Nurses always communicated well
73%
CA 76% · US 80% · 2 of 5 stars
Doctors always communicated well
74%
CA 76% · US 80% · 2 of 5 stars
Staff always explained new medicines
54%
CA 59% · US 62% · 2 of 5 stars
Given information about recovering at home
85%
CA 85% · US 86% · 3 of 5 stars
Room was always clean
63%
CA 72% · US 74% · 2 of 5 stars
Always quiet at night
46%
CA 48% · US 60% · 2 of 5 stars

This hospital California average US average

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 CA US
Median time in the emergency department before leaving Lower is better · 344 visits sampled · US median for EDs of the same volume: 3 h 21 min 3 h 54 min 2 h 54 min 2 h 42 min
Median time for psychiatric and mental health patients Lower is better · 37 visits sampled 10 h 54 min 4 h 20 min 4 h 17 min
Left before being seen Lower is better · 108,893 patients 0% 2% 2%
Stroke symptoms: brain scan read within 45 minutes Higher is better · 52 patients 96% 74% 69%
Severe sepsis and septic shock: all recommended care given Higher is better · 143 patients 84% 70% 65%

How Riverside University Health System-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
Riverside University Health System-Medical CenterThis hospital3/566%3 h 54 min4 better 1 worse
Kaiser Foundation Hospital-Moreno ValleySame city4/569%—1 better
Southwest Healthcare Rancho Springs HospitalSame county · Murrieta3/565%3 h 11 min3 better 1 worse
Loma Linda University Medical Center-MurrietaSame county · Murrieta2/570%3 h 44 min1 better 3 worse
Hemet Global Medical CenterSame county · Hemet1/539%3 h 33 min3 better 1 worse
Menifee Global Medical CenterSame county · Sun CityNot rated54%2 h 56 min1 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. All hospitals in Moreno Valley.

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 2,070 cases Too few cases 3.1% 3.9%
Heart attack 25 cases Too few cases 11.5% 11.9%
Heart failure 140 cases Too few cases 7.7% 11.1%
Pneumonia 148 cases Too few cases 13.7% 15.2%
Stroke 184 cases Too few cases 11.1% 11.9%
COPD 77 cases Too few cases 9.1% 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.

12 no different
Measure CMS comparison This hospital National
Serious complications, combined measure No different 0.93 likely 0.56 – 1.3 1
After hip or knee replacement 48 cases Too few cases 4.1% 4.1%
Deaths after a serious but treatable surgical complication 59 cases No different 191.06 per 1,000 likely 136.87 per 1,000 – 245.25 per 1,000 173.3 per 1,000
Pressure ulcers (bed sores) 3,702 cases No different 0.38 per 1,000 likely 0 per 1,000 – 1.09 per 1,000 0.63 per 1,000
Collapsed lung caused by a procedure 4,158 cases No different 0.24 per 1,000 likely 0.02 per 1,000 – 0.46 per 1,000 0.21 per 1,000
Broken bones from falls in the hospital 4,169 cases No different 0.35 per 1,000 likely 0.15 per 1,000 – 0.55 per 1,000 0.27 per 1,000
Bleeding or hematoma after surgery 580 cases No different 1.98 per 1,000 likely 0.38 per 1,000 – 3.58 per 1,000 2.34 per 1,000
Kidney injury needing dialysis after surgery 126 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 135 cases No different 9.8 per 1,000 likely 0.71 per 1,000 – 18.89 per 1,000 9.42 per 1,000
Blood clots in the lungs or legs after surgery 582 cases No different 3.45 per 1,000 likely 1.15 per 1,000 – 5.76 per 1,000 3.52 per 1,000
Sepsis after surgery 125 cases No different 4.67 per 1,000 likely 0.57 per 1,000 – 8.78 per 1,000 5.27 per 1,000
Surgical wound splitting open 159 cases No different 1.67 per 1,000 likely 0.18 per 1,000 – 3.16 per 1,000 1.77 per 1,000
Accidental cut or tear during abdominal surgery 932 cases No different 1.38 per 1,000 likely 0.38 per 1,000 – 2.38 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.

2 better than the nation 4 no different
Measure CMS comparison This hospital National
Bloodstream infections from central lines (CLABSI) Better 0.23 likely 0.06 – 0.63 1
Urinary tract infections from catheters (CAUTI) No different 0.52 likely 0.23 – 1.02 1
Surgical site infections after colon surgery No different 0.4 likely 0.07 – 1.33 1
Surgical site infections after abdominal hysterectomy No different 0.9 likely 0.05 – 4.42 1
MRSA bloodstream infections No different 1.48 likely 0.72 – 2.72 1
C. diff intestinal infections Better 0.16 likely 0.07 – 0.31 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.

3 no different
Measure CMS comparison This hospital National
Readmitted after a heart attack 46 cases Too few cases 15% 14.4%
Readmitted after heart failure 303 cases Too few cases 22.1% 21.3%
Readmitted after pneumonia 290 cases Too few cases 19% 17.3%
Readmitted after COPD 151 cases Too few cases 20.2% 20%
Readmitted after hip or knee replacement 60 cases Too few cases 5.8% 5.8%
Days back in hospital after heart failure 162 cases Too few cases 7.1 days per 100 —
Days back in hospital after pneumonia 164 cases Too few cases 1 days per 100 —
Unplanned visits after an outpatient colonoscopy 127 cases No different 12.6 per 1,000 likely 9.3 per 1,000 – 17 per 1,000 13 per 1,000
Hospital admissions during outpatient chemotherapy 36 cases No different 11.9 per 100 likely 8.1 per 100 – 16.7 per 100 10.7 per 100
ER visits during outpatient chemotherapy 36 cases No different 6 per 100 likely 3.8 per 100 – 9.1 per 100 5.4 per 100

4 more measures had too few cases here to report.

Clinicians registered at this address

480 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 210 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
Pharmacist 76
Internal Medicine 42
Anesthesiology 36
Emergency Medicine 36
Physician Assistant 35
Family Medicine 30
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 16
Hospitalist 14
Nurse Anesthetist, Certified Registered 12
Nurse Practitioner 10
Orthopaedic Surgery 10
Family 9

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.

2025 total $28,842 general $17,873 · research $10,968
All years, 2019–2025 $363,560 201 reported payments
Studies funded, 2025 1 8 companies paid in total
  • 2019 $80,885
  • 2020 $54,699
  • 2021 $52,370
  • 2022 $53,648
  • 2023 $38,115
  • 2024 $55,002
  • 2025 $28,842

General payments Research payments

What the 2025 general payments were for

Type of payment Amount Payments
Space rental and facility fees $11,554 2
Speaking, teaching and other services $2,408 1
Medical devices and supplies on long-term loan $2,100 2
Grants $1,000 1
Debt forgiveness $811 4

Largest paying companies, 2025

Company Amount Payments
Eli Lilly and Company $10,968 2
Gilead Sciences, Inc. $10,000 1
Stryker Corporation $2,471 4
Abbott Laboratories $2,408 1
ICU Medical Inc $1,554 1
KARL STORZ Endoscopy-America $1,000 1
Siemens Medical Solutions USA, Inc. $289 1
Medline Industries LP $151 1

Largest research studies funded here, 2025

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 Riverside University Health System-Medical Center

Is Riverside University Health System-Medical Center a good hospital?

Riverside University Health System-Medical Center has a CMS overall rating of 3 out of 5 stars. Of the 21 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 4 and worse on 1. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.

Would patients recommend Riverside University Health System-Medical Center?

66% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 416 completed HCAHPS surveys.

How long is the wait in the Riverside University Health System-Medical Center emergency room?

Emergency patients spend a median of 3 h 54 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. 0% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.

Does Riverside University Health System-Medical Center receive money from drug and device companies?

Drug and device makers reported $28,842 in payments to Riverside University Health System-Medical Center for 2025, under the federal Open Payments program. A payment on its own does not show a conflict of interest.