CMS certification 050245
Arrowhead Regional Medical Center
400 North Pepper Avenue, Colton, CA 92324
Arrowhead Regional Medical Center has a CMS overall rating of 2 out of 5 stars. 73% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. Of the 19 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 1. Emergency patients spend a median of 3 h 24 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: 328 completed surveys, 41% 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 | CA | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 418 visits sampled · US median for EDs of the same volume: 3 h 21 min | 3 h 24 min | 2 h 54 min | 2 h 42 min |
| Median time for psychiatric and mental health patients Lower is better · 45 visits sampled | 2 h 34 min | 4 h 20 min | 4 h 17 min |
| Left before being seen Lower is better · 93,714 patients | 1% | 2% | 2% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 98 patients | 72% | 70% | 65% |
How Arrowhead 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 |
|---|---|---|---|---|
| Arrowhead Regional Medical CenterThis hospital | 2/5 | 73% | 3 h 24 min | 2 better 1 worse |
| Bear Valley Community HospitalSame county · Big Bear Lake | Not rated | 85% | 2 h 19 min | — |
| Kaiser Foundation Hospital Fontana/OntarioSame county · Fontana | 3/5 | 78% | — | 3 better 2 worse |
| Barstow Community HospitalSame county · Barstow | 1/5 | 67% | 2 h 43 min | 1 better |
| Weed ACH (FT Irwin)Same county · Fort Irwin | Not rated | 81% | 2 h 11 min | — |
| Providence St Mary Medical CenterSame county · Apple Valley | 2/5 | 53% | 3 h 48 min | 1 better 3 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 1,633 cases | Too few cases | 4.2% | 3.9% |
| Heart attack 28 cases | Too few cases | 12.2% | 11.9% |
| Heart failure 79 cases | Too few cases | 8.9% | 11.1% |
| Pneumonia 113 cases | Too few cases | 14.3% | 15.2% |
| Stroke 176 cases | Too few cases | 17.7% | 11.9% |
2 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.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Serious complications, combined measure | No different | 0.88 likely 0.49 – 1.27 | 1 |
| Deaths after a serious but treatable surgical complication 30 cases | No different | 221.07 per 1,000 likely 162.31 per 1,000 – 279.84 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 2,205 cases | No different | 0.23 per 1,000 likely 0 per 1,000 – 1.04 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 2,557 cases | No different | 0.19 per 1,000 likely 0 per 1,000 – 0.41 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 2,550 cases | No different | 0.33 per 1,000 likely 0.12 per 1,000 – 0.54 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 395 cases | No different | 2.38 per 1,000 likely 0.74 per 1,000 – 4.02 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 59 cases | No different | 1.65 per 1,000 likely 0 per 1,000 – 3.37 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 66 cases | No different | 9.66 per 1,000 likely 0.71 per 1,000 – 18.61 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 373 cases | No different | 3.37 per 1,000 likely 0.95 per 1,000 – 5.79 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 65 cases | No different | 4.77 per 1,000 likely 0.62 per 1,000 – 8.91 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 86 cases | No different | 2.04 per 1,000 likely 0.54 per 1,000 – 3.55 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 389 cases | No different | 1.28 per 1,000 likely 0.21 per 1,000 – 2.34 per 1,000 | 1.06 per 1,000 |
1 more measure 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.
| Measure | CMS comparison | This hospital | National |
|---|---|---|---|
| Bloodstream infections from central lines (CLABSI) | No different | 0.73 likely 0.34 – 1.39 | 1 |
| Urinary tract infections from catheters (CAUTI) | No different | 0.86 likely 0.51 – 1.36 | 1 |
| Surgical site infections after colon surgery | No different | 0.25 likely 0.01 – 1.21 | 1 |
| MRSA bloodstream infections | No different | 0.79 likely 0.37 – 1.5 | 1 |
| C. diff intestinal infections | Better | 0.35 likely 0.22 – 0.55 | 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 72 cases | Too few cases | 14.5% | 14.4% |
| Readmitted after heart failure 291 cases | Too few cases | 20.8% | 21.3% |
| Readmitted after pneumonia 292 cases | Too few cases | 18.3% | 17.3% |
| Readmitted after COPD 76 cases | Too few cases | 20% | 20% |
| Days back in hospital after heart failure 105 cases | Too few cases | 5.4 days per 100 | — |
| Days back in hospital after pneumonia 130 cases | Too few cases | -18.3 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 103 cases | No different | 13.6 per 1,000 likely 10.1 per 1,000 – 18.4 per 1,000 | 13 per 1,000 |
| Hospital admissions during outpatient chemotherapy 42 cases | No different | 12.2 per 100 likely 8.3 per 100 – 17.1 per 100 | 10.7 per 100 |
| ER visits during outpatient chemotherapy 42 cases | No different | 5 per 100 likely 3.2 per 100 – 7.7 per 100 | 5.4 per 100 |
5 more measures had too few cases here to report.
Clinicians registered at this address
1,268 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 274 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 |
|---|---|
| Registered Nurse | 336 |
| Physician Assistant | 143 |
| Emergency Medicine | 110 |
| Licensed Psychiatric Technician | 73 |
| Internal Medicine | 60 |
| Licensed Vocational Nurse | 60 |
| Family Medicine | 56 |
| Psychiatric/Mental Health | 45 |
| Nurse Anesthetist, Certified Registered | 43 |
| Pharmacist | 32 |
| Psychiatry | 32 |
| Obstetrics & Gynecology | 23 |
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 $7,201
- 2020 $14,887
- 2021 $15,595
- 2022 $14,740
- 2023 $7,416
- 2024 $4,945
- 2025 $2,950
What the 2025 general payments were for
| Type of payment | Amount | Payments |
|---|---|---|
| Space rental and facility fees | $1,320 | 4 |
| Debt forgiveness | $722 | 3 |
| Medical devices and supplies on long-term loan | $700 | 1 |
| Food and beverage | $207 | 1 |
Largest paying companies, 2025
| Company | Amount | Payments |
|---|---|---|
| Linde Gas & Equipment Inc. | $1,320 | 4 |
| Organon LLC | $700 | 1 |
| Stryker Corporation | $684 | 2 |
| NeuroLogica Corporation, a Samsung Company | $207 | 1 |
| Medline Industries LP | $38 | 1 |
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 Arrowhead Regional Medical Center
Is Arrowhead Regional Medical Center a good hospital?
Arrowhead Regional Medical Center has a CMS overall rating of 2 out of 5 stars. Of the 19 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 2 and worse on 1. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Arrowhead Regional Medical Center?
73% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 328 completed HCAHPS surveys.
How long is the wait in the Arrowhead Regional Medical Center emergency room?
Emergency patients spend a median of 3 h 24 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 Arrowhead Regional Medical Center receive money from drug and device companies?
Drug and device makers reported $2,950 in payments to Arrowhead Regional Medical Center for 2025, under the federal Open Payments program. A payment on its own does not show a conflict of interest.