USCareCheck

CMS certification 050686

Kaiser Foundation Hospital, Riverside

10800 Magnolia Avenue, Riverside, CA 92505

Acute Care Hospitals Emergency services Birthing-friendly

Kaiser Foundation Hospital, Riverside has a CMS overall rating of 4 out of 5 stars. 72% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 8 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 1 and worse on none.

Every figure on this page is published by CMS; we arrange and explain it, and score nothing ourselves.

CMS overall rating 4/5 CMS summary of quality measures
Would definitely recommend 72% US average 71%
Patient survey rating 3/5 438 completed surveys
Compared with the nation 0 worse 1 better of 8 measures CMS could compare

What patients said

Answers from patients who stayed here, collected by CMS in the national HCAHPS survey: 438 completed surveys, 16% response rate, Oct 2024 – Sep 2025.

Would definitely recommend the hospital
72%
CA 69% · US 71% · 4 of 5 stars
Rated the hospital 9 or 10 out of 10
69%
CA 68% · US 72% · 3 of 5 stars
Nurses always communicated well
77%
CA 76% · US 80% · 3 of 5 stars
Doctors always communicated well
77%
CA 76% · US 80% · 3 of 5 stars
Staff always explained new medicines
57%
CA 59% · US 62% · 2 of 5 stars
Given information about recovering at home
87%
CA 85% · US 86% · 4 of 5 stars
Room was always clean
72%
CA 72% · US 74% · 4 of 5 stars
Always quiet at night
42%
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. These are medians over a year of visits, not a live wait time.

Measure This hospital CA US
Severe sepsis and septic shock: all recommended care given Higher is better · 244 patients 77% 70% 65%

How Kaiser Foundation Hospital, Riverside 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
Kaiser Foundation Hospital, RiversideThis hospital4/572%—1 better
Parkview Community Hospital Medical CenterSame city3/564%2 h 52 min1 better 1 worse
Riverside Community HospitalSame city2/564%3 h 9 min3 better 4 worse
Hemet Global Medical CenterSame county · Hemet1/539%3 h 33 min3 better 1 worse
Kaiser Foundation Hospital-Moreno ValleySame county · Moreno Valley4/569%—1 better
Riverside University Health System-Medical CenterSame county · Moreno Valley3/566%3 h 54 min4 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 Riverside.

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 1,958 cases Too few cases 4.8% 3.9%
Stroke 105 cases Too few cases 13% 11.9%

5 more measures 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.

11 no different
Measure CMS comparison This hospital National
Serious complications, combined measure No different 0.85 likely 0.42 – 1.29 1
Pressure ulcers (bed sores) 519 cases No different 0.36 per 1,000 likely 0 per 1,000 – 1.39 per 1,000 0.63 per 1,000
Collapsed lung caused by a procedure 581 cases No different 0.2 per 1,000 likely 0 per 1,000 – 0.44 per 1,000 0.21 per 1,000
Broken bones from falls in the hospital 610 cases No different 0.27 per 1,000 likely 0.05 per 1,000 – 0.48 per 1,000 0.27 per 1,000
Bleeding or hematoma after surgery 111 cases No different 2.23 per 1,000 likely 0.53 per 1,000 – 3.92 per 1,000 2.34 per 1,000
Kidney injury needing dialysis after surgery 33 cases No different 1.64 per 1,000 likely 0 per 1,000 – 3.35 per 1,000 1.67 per 1,000
Breathing failure after surgery 32 cases No different 8.16 per 1,000 likely 0 per 1,000 – 17.66 per 1,000 9.42 per 1,000
Blood clots in the lungs or legs after surgery 118 cases No different 3.32 per 1,000 likely 0.74 per 1,000 – 5.89 per 1,000 3.52 per 1,000
Sepsis after surgery 33 cases No different 4.71 per 1,000 likely 0.59 per 1,000 – 8.83 per 1,000 5.27 per 1,000
Surgical wound splitting open 29 cases No different 1.74 per 1,000 likely 0.22 per 1,000 – 3.27 per 1,000 1.77 per 1,000
Accidental cut or tear during abdominal surgery 128 cases No different 1.02 per 1,000 likely 0 per 1,000 – 2.09 per 1,000 1.06 per 1,000

2 more measures had too few cases here to report.

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 3 no different
Measure CMS comparison This hospital National
Bloodstream infections from central lines (CLABSI) No different 0.36 likely 0.06 – 1.18 1
Urinary tract infections from catheters (CAUTI) No different 0.78 likely 0.29 – 1.73 1
Surgical site infections after colon surgery No different 0.88 likely 0.28 – 2.12 1
MRSA bloodstream infections Better 0 1
C. diff intestinal infections Better 0.34 likely 0.19 – 0.56 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 101 cases Too few cases 14.6% 14.4%
Readmitted after heart failure 362 cases Too few cases 19.9% 21.3%
Readmitted after pneumonia 274 cases Too few cases 17.5% 17.3%
Readmitted after COPD 163 cases Too few cases 20.4% 20%

10 more measures had too few cases here to report.

Clinicians registered at this address

759 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 56 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
Family Medicine 103
Pharmacist 72
Internal Medicine 63
Pediatrics 40
Physician Assistant 36
Obstetrics & Gynecology 34
Physical Therapist 29
Nurse Anesthetist, Certified Registered 27
Emergency Medicine 22
Optometrist 21
Advanced Practice Midwife 15
Clinical 13

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 $502,839 general $2,091 · research $500,748
All years, 2020–2025 $1.5M 149 reported payments
Studies funded, 2025 7 5 companies paid in total
  • 2020 $1,896
  • 2021 $706,568
  • 2022 $49,178
  • 2023 $181,310
  • 2024 $73,442
  • 2025 $502,839

General payments Research payments

What the 2025 general payments were for

Type of payment Amount Payments
Grants $1,130 1
Debt forgiveness $961 1

Largest paying companies, 2025

Company Amount Payments
Janssen Research & Development, LLC $457,065 66
Shockwave Medical, Inc $25,140 8
Bayer Healthcare Pharmaceuticals Inc. $18,543 5
Medical Device Business Services, Inc. $1,130 1
Zimmer Biomet Holdings, Inc. $961 1

Largest research studies funded here, 2025

Study Amount
A Study of Milvexian in Participants After an Acute Ischemic Stroke or High-Risk Transient Ischemic Attack- LIBREXIA-STROKE (LIBREXIA-STROK) Janssen Research & Development, LLC $234,299
A Study of Vaccination With 9valent Extraintestinal Pathogenic Escherichia Coli Vaccine ExPEC9V in the Prevention of Invasive Extraintestinal Pathoge… Janssen Research & Development, LLC $216,536
Equity in Modifying Plaque Of WomEn With UndeRtreated Calcified Coronary Artery Disease Shockwave Medical, Inc $23,940
BAY 865321, Randomized, Double-Masked, Active-Controlled, Phase 3 Study of the Efficacy and Safety of High Dose Aflibercept in Patients With Neovascu… Bayer Healthcare Pharmaceuticals Inc. $18,543
A Phase 3, Open-Label, Randomized Study of Amivantamab and Lazertinib in Combination with Platinum-Based Chemotherapy Compared with Platinum-Based Ch… Janssen Research & Development, LLC $3,875
A Phase 3, Open-Label, Randomized Study of Amivantamab and Lazertinib in Combination with Platinum-Based Chemotherapy Compared with Platinum-Based Ch… Janssen Research & Development, LLC $2,355
Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II Shockwave Medical, Inc $1,200

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 Kaiser Foundation Hospital, Riverside

Is Kaiser Foundation Hospital, Riverside a good hospital?

Kaiser Foundation Hospital, Riverside has a CMS overall rating of 4 out of 5 stars. Of the 8 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 1 and worse on none. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.

Would patients recommend Kaiser Foundation Hospital, Riverside?

72% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 438 completed HCAHPS surveys.

Does Kaiser Foundation Hospital, Riverside have an emergency room?

Yes. CMS lists emergency services at Kaiser Foundation Hospital, Riverside.

Does Kaiser Foundation Hospital, Riverside receive money from drug and device companies?

Drug and device makers reported $502,839 in payments to Kaiser Foundation Hospital, Riverside 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.