CMS certification 030103
Mayo Clinic Hospital
5777 East Mayo Boulevard, Phoenix, AZ 85054
Mayo Clinic Hospital has a CMS overall rating of 5 out of 5 stars. 93% 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 10 and worse on none. Emergency patients spend a median of 3 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: 1,947 completed surveys, 35% 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 | AZ | US |
|---|---|---|---|
| Median time in the emergency department before leaving Lower is better · 406 visits sampled · US median for EDs of the same volume: 3 h 22 min | 3 h 22 min | 2 h 56 min | 2 h 42 min |
| Left before being seen Lower is better · 58,816 patients | 0% | 2% | 2% |
| Stroke symptoms: brain scan read within 45 minutes Higher is better · 12 patients | 42% | 70% | 69% |
| Severe sepsis and septic shock: all recommended care given Higher is better · 146 patients | 70% | 59% | 65% |
How Mayo Clinic Hospital 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 |
|---|---|---|---|---|
| Mayo Clinic HospitalThis hospital | 5/5 | 93% | 3 h 22 min | 10 better |
| Banner Estrella Medical CenterSame city | 3/5 | 68% | 3 h 56 min | 3 better 1 worse |
| Abrazo Scottsdale CampusSame city | 3/5 | 54% | 2 h 34 min | 1 better |
| Honorhealth Deer Valley Medical CenterSame city | 3/5 | 72% | 3 h 14 min | 2 better 1 worse |
| Honorhealth Sonoran Crossing Medical CenterSame city | 4/5 | 84% | 3 h 20 min | 1 worse |
| Honor Health John C. Lincoln Medical CenterSame city | 3/5 | 72% | 3 h 10 min | 5 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. All hospitals in Phoenix.
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 5,311 cases | Too few cases | 2.3% | 3.9% |
| Heart attack 271 cases | Too few cases | 8.3% | 11.9% |
| Heart failure 884 cases | Too few cases | 7.7% | 11.1% |
| Pneumonia 1,245 cases | Too few cases | 11.2% | 15.2% |
| Stroke 274 cases | Too few cases | 10.9% | 11.9% |
| COPD 144 cases | Too few cases | 6.2% | 8.6% |
| Heart bypass surgery (CABG) 96 cases | Too few cases | 1.9% | 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 | 0.91 likely 0.75 – 1.08 | 1 |
| After hip or knee replacement 107 cases | Too few cases | 6.9% | 4.1% |
| Deaths after a serious but treatable surgical complication 306 cases | Better | 115.44 per 1,000 likely 80.81 per 1,000 – 150.07 per 1,000 | 173.3 per 1,000 |
| Pressure ulcers (bed sores) 16,145 cases | Better | 0.21 per 1,000 likely 0 per 1,000 – 0.58 per 1,000 | 0.63 per 1,000 |
| Collapsed lung caused by a procedure 17,299 cases | No different | 0.22 per 1,000 likely 0.06 per 1,000 – 0.38 per 1,000 | 0.21 per 1,000 |
| Broken bones from falls in the hospital 19,712 cases | No different | 0.19 per 1,000 likely 0.04 per 1,000 – 0.35 per 1,000 | 0.27 per 1,000 |
| Bleeding or hematoma after surgery 5,145 cases | No different | 3.17 per 1,000 likely 2.23 per 1,000 – 4.11 per 1,000 | 2.34 per 1,000 |
| Kidney injury needing dialysis after surgery 3,321 cases | No different | 2.24 per 1,000 likely 1.25 per 1,000 – 3.22 per 1,000 | 1.67 per 1,000 |
| Breathing failure after surgery 3,094 cases | No different | 9.11 per 1,000 likely 6.21 per 1,000 – 12 per 1,000 | 9.42 per 1,000 |
| Blood clots in the lungs or legs after surgery 6,130 cases | No different | 4.12 per 1,000 likely 2.86 per 1,000 – 5.38 per 1,000 | 3.52 per 1,000 |
| Sepsis after surgery 3,309 cases | No different | 5.66 per 1,000 likely 3.86 per 1,000 – 7.47 per 1,000 | 5.27 per 1,000 |
| Surgical wound splitting open 2,189 cases | No different | 1.85 per 1,000 likely 0.68 per 1,000 – 3.02 per 1,000 | 1.77 per 1,000 |
| Accidental cut or tear during abdominal surgery 5,539 cases | Better | 0.36 per 1,000 likely 0 per 1,000 – 0.99 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 | 0.49 likely 0.29 – 0.76 | 1 |
| Urinary tract infections from catheters (CAUTI) | No different | 0.68 likely 0.41 – 1.07 | 1 |
| Surgical site infections after colon surgery | Worse | 1.62 likely 1 – 2.48 | 1 |
| Surgical site infections after abdominal hysterectomy | No different | 2.73 likely 0.69 – 7.43 | 1 |
| MRSA bloodstream infections | No different | 0.48 likely 0.12 – 1.3 | 1 |
| C. diff intestinal infections | Better | 0.56 likely 0.43 – 0.73 | 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 228 cases | Too few cases | 13.9% | 14.4% |
| Readmitted after heart failure 776 cases | Too few cases | 19.8% | 21.3% |
| Readmitted after pneumonia 1,118 cases | Too few cases | 16.8% | 17.3% |
| Readmitted after COPD 130 cases | Too few cases | 17.8% | 20% |
| Readmitted after heart bypass surgery 69 cases | Too few cases | 12.2% | 11% |
| Readmitted after hip or knee replacement 112 cases | Too few cases | 6% | 5.8% |
| Days back in hospital after a heart attack 280 cases | Too few cases | -3.8 days per 100 | — |
| Days back in hospital after heart failure 1,023 cases | Too few cases | -18.9 days per 100 | — |
| Days back in hospital after pneumonia 1,336 cases | Too few cases | -9 days per 100 | — |
| Unplanned visits after an outpatient colonoscopy 2,211 cases | No different | 15.7 per 1,000 likely 12.7 per 1,000 – 19.3 per 1,000 | 13 per 1,000 |
| Hospital admissions during outpatient chemotherapy 469 cases | No different | 9.6 per 100 likely 7.2 per 100 – 12.7 per 100 | 10.7 per 100 |
| ER visits during outpatient chemotherapy 469 cases | No different | 6.3 per 100 likely 4.5 per 100 – 8.8 per 100 | 5.4 per 100 |
| Unplanned visits after outpatient surgery 3,441 cases | No different | 1 likely 0.9 – 1.2 | — |
1 more measure had too few cases here to report.
Clinicians registered at this address
498 clinicians give this hospital's street address as their practice location in NPPES, the federal provider registry, plus 13 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 |
|---|---|
| Physician Assistant | 49 |
| Nurse Anesthetist, Certified Registered | 48 |
| Physical Therapist | 43 |
| Emergency Medicine | 23 |
| Nurse Practitioner | 23 |
| Anesthesiology | 22 |
| Occupational Therapist | 20 |
| Registered Nurse | 19 |
| Hospitalist | 17 |
| Internal Medicine | 12 |
| Diagnostic Radiology | 11 |
| Dietitian, Registered | 10 |
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 $11.5M
- 2020 $14.4M
- 2021 $10.8M
- 2022 $11.7M
- 2023 $13M
- 2024 $17M
- 2025 $22.2M
What the 2025 general payments were for
| Type of payment | Amount | Payments |
|---|---|---|
| Grants | $1.5M | 112 |
| Space rental and facility fees | $767,390 | 175 |
| Speaking, teaching and other services | $209,780 | 21 |
| Education | $97,278 | 25 |
| Charitable contributions | $38,000 | 2 |
| Medical devices and supplies on long-term loan | $34,852 | 41 |
| Debt forgiveness | $1,019 | 7 |
Largest paying companies, 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $2.3M | 34 |
| Genentech, Inc. | $2.2M | 83 |
| Celgene Corporation | $1.9M | 17 |
| Novartis Pharmaceuticals Corporation | $1.7M | 23 |
| Abbvie INC. | $1.5M | 128 |
| Pfizer INC. | $1.3M | 87 |
| AstraZeneca Pharmaceuticals LP | $907,490 | 27 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $898,518 | 123 |
Largest research studies funded here, 2025
| Study | Amount |
|---|---|
| A Study Evaluating the Safety, Efficacy, and Pharmacokinetics of Mosunetuzumab Monotherapy in Participants With Select B-Cell Malignancies (MorningSu… Genentech, Inc. | $2M |
| A Rollover Extension Program (REP) to Evaluate the Long-term Safety and Tolerability of Open Label Iptacopan/LNP023 in Participants With Primary IgA … Novartis Pharmaceuticals Corporation | $1.3M |
| AN OPEN LABEL STUDY TO EVALUATE THE SAFETY AND EFFICACY OF COMBINATION EXTRACORPOREAL PHOTOPHERESIS (ECP) AND MOGAMULIZUMAB IN ERYTHRODERMIC CTCL KYOWA KIRIN, INC. | $797,065 |
| A Phase 1/2, Multi-center, Open-label Study to Assess the Safety, Pharmacokinetics, and Preliminary Efficacy of an Orally Available Small Molecule, C… Celgene Corporation | $569,921 |
| A Dose-Escalation and Expansion Study of the Safety and Efficacy of XL092 in Combination with Immuno-Oncology Agents in Subjects with Unresectable Ad… Exelixis Inc. | $537,181 |
| Phase 2 trial of iberdomide in combination with daratumumab and bortezomib in patients with newly diagnosed multiple myeloma or light chain amyloidos… Celgene Corporation | $461,754 |
| Study of ABBV-383 Assessing Adverse Events and Clinical Activity With Subcutaneous (SC) Injection in Adult Participants With Relapsed or Refractory M… ABBVIE INC. · NCT06223516 | $454,340 |
| A Pilot Single-arm, Pragmatic Trial of In-home Versus in In-Clinic Subcutaneous Nivolumab Administration through Cancer CARE (Connected Access and Re… E.R. Squibb & Sons, L.L.C. | $453,503 |
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 Mayo Clinic Hospital
Is Mayo Clinic Hospital a good hospital?
Mayo Clinic Hospital has a CMS overall rating of 5 out of 5 stars. Of the 27 death, complication, infection and readmission measures CMS could compare, it does better than the nation on 10 and worse on none. These are hospital-wide results published by CMS; they do not rate individual doctors or departments.
Would patients recommend Mayo Clinic Hospital?
93% of patients who answered CMS's national survey would definitely recommend it, against a US average of 71%. The figure comes from 1,947 completed HCAHPS surveys.
How long is the wait in the Mayo Clinic Hospital emergency room?
Emergency patients spend a median of 3 h 22 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. 0% of emergency patients left before being seen (US 2%). These are medians over a year of visits, not a live wait time.
Does Mayo Clinic Hospital receive money from drug and device companies?
Drug and device makers reported $22.2M in payments to Mayo Clinic Hospital 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.