CMS did not publish an overall star rating for this hospital; hospitals that report too few quality measures are not rated.
Source: CMS Care Compare, July 2026 releaseER figures are medians, not live waitsAbout the data
Visiting St Marys Hsptl Superior
- Photo ID and your insurance, Medicare or Medicaid card
- A list of your medicines, doses and allergies
- Your doctor's name and phone number
- A phone charger
Official links: Website for St Marys Hsptl Superior (opens the hospital's site)
Nearby hospitals
- 6.6mi Essentia Health Duluth Duluth, MN · Emergency room Call Essentia Health Duluth Directions to Essentia Health Duluth (Google Maps) Details for Essentia Health Duluth
- 6.6mi Essentia Health St Mary's Medical Center Duluth, MN · Emergency room · median ER visit 3 hr 21 min Call Essentia Health St Mary's Medical Center Directions to Essentia Health St Mary's Medical Center (Google Maps) Details for Essentia Health St Mary's Medical Center
- 6.9mi St Lukes Hospital Duluth, MN · Emergency room · median ER visit 3 hr 47 min Call St Lukes Hospital Directions to St Lukes Hospital (Google Maps) Details for St Lukes Hospital
Quick answers about St Marys Hsptl Superior
How long is the ER wait at St Marys Hsptl Superior?
CMS doesn't publish live wait times. Over the 12 months CMS reported, patients treated and sent home spent a median of 2 hr 4 min in the St Marys Hsptl Superior emergency room (the average across Wisconsin hospitals is 2 hr 18 min). 1% of ER patients left before being seen. For tonight's wait, check the hospital's website (opens the hospital's own site) or call (715) 817-7100. In an emergency, call 911.
What is the phone number for St Marys Hsptl Superior?
The main phone number for St Marys Hsptl Superior is (715) 817-7100, from Medicare's hospital records.
Call (715) 817-7100What is the address of St Marys Hsptl Superior?
St Marys Hsptl Superior is at 3500 Tower Ave, Superior, WI 54880.
Directions (opens Google Maps)Does St Marys Hsptl Superior have an emergency room?
Yes. St Marys Hsptl Superior has an emergency department, according to Medicare data.
Quality and performance
Centers for Medicare & Medicaid Services · data as of July 2026
Patients treated and sent home from the emergency department at St Marys Hsptl Superior spend a median of 2 hours 4 minutes there. That is 14 minutes shorter than the average across Wisconsin hospitals (2 hours 18 minutes).
Source: CMS Hospital General Information and Timely & Effective Care. Wait times are a median over a past 12-month reporting period, not live data. Not affiliated with CMS or with St Marys Hsptl Superior. For a medical emergency, call 911.
Compare ER waits across Wisconsin · Other Critical Access hospitals in Wisconsin · How we source this data · Something wrong on this page? Tell us
What patients say
CMS patient survey (HCAHPS) · 113 completed surveys · patients discharged Oct 2024 – Sep 2025
Patients gave St Marys Hsptl Superior a 3-star patient experience rating out of 5. 66% would definitely recommend it (U.S. average 71%). 60% rated it 9 or 10 out of 10.
The patient survey (HCAHPS) asks a random sample of adult patients about their recent hospital stay. CMS adjusts the results for the mix of patients and how the survey was done, so hospitals can be compared fairly. About the data.
Infections, complications and deaths
Centers for Medicare & Medicaid Services · compared with hospitals nationwide
St Marys Hsptl Superior was no different from the national benchmark on the one hospital-acquired infection CMS could compare.
Hospital-acquired infections
Death rates within 30 days
| Patients treated for | This hospital | U.S. |
|---|---|---|
| Hospital-wide, all conditions | 3.6% | 3.9% |
Risk-adjusted rates. CMS has not published a statistical better/worse comparison for these death rates in the current release, so small differences from the U.S. rate may be chance.
"Better" or "worse" means CMS found the difference from the national benchmark statistically significant; most hospitals are "no different". Infection results compare the infections a hospital reported with the number predicted for a hospital of its size and type (a ratio below 1 means fewer than predicted), for Oct 2024 – Sep 2025. Death and complication rates are risk-adjusted for how sick patients were. Each death rate counts deaths within 30 days of a hospital stay, pooled over one to three years of Medicare patients depending on the measure. About the data.
What insurance does St Marys Hsptl Superior accept?
Original Medicare: Medicare-certified, so it can bill Original Medicare (Medicare number 521329). Medicare Advantage plans have their own networks, which this section does not cover.
2027 Marketplace plans in Wisconsin that list this hospital
| Insurer | Plans in network | Network | Network tier |
|---|---|---|---|
| Security Health Plan | 16 of 32 plans | – | Non-Preferred |
| Medica | 9 of 18 plans | – | – |
| Anthem Blue Cross Blue Shield | 8 of 48 plans | – | Participating |
| HealthPartners | 3 of 3 plans | NETWORK | Network |
2027 plan year, individual Marketplace (ACA) plans only.Health insurance in Wisconsin
Plans that include this hospital: Anthem Bronze Preferred HSA, Anthem Bronze Preferred HSA Standard, Anthem Gold Preferred Standard, Anthem Heart Healthy Bronze Preferred 0 Med Ded HSA, Anthem Silver Preferred, Anthem Silver Preferred Standard Compare plans
Adults in Wisconsin qualify for Medicaid up to 95% of the poverty line. Ask the hospital which Wisconsin Medicaid plans it takes.
What insurance does St Marys Hsptl Superior accept?
In the 2027 HealthCare.gov Marketplace plan data (insurer network files loaded November 4, 2026), St Marys Hsptl Superior is in network for 4 Marketplace insurers in Wisconsin: Security Health Plan (16 of 32 plans), Medica (9 of 18 plans), Anthem Blue Cross Blue Shield (8 of 48 plans) and 1 other insurer. This covers Marketplace (ACA) plans only, not Medicare Advantage, Medicaid or employer plans. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Does St Marys Hsptl Superior take Medicare?
St Marys Hsptl Superior is a Medicare-certified hospital (CMS Certification Number 521329), according to CMS hospital data. Medicare Advantage plans have their own networks, which this page does not cover; check with your plan before you get care.
Does St Marys Hsptl Superior accept Security Health Plan?
St Marys Hsptl Superior is in network for 16 of 32 plans that Security Health Plan sells on the Wisconsin Marketplace in 2027, according to Security Health Plan's network file loaded November 4, 2026. Not every Security Health Plan plan includes it. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Does St Marys Hsptl Superior accept Medica?
St Marys Hsptl Superior is in network for 9 of 18 plans that Medica sells on the Wisconsin Marketplace in 2027, according to Medica's network file loaded November 4, 2026. Not every Medica plan includes it. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Does St Marys Hsptl Superior accept Anthem Blue Cross Blue Shield?
St Marys Hsptl Superior is in network for 8 of 48 plans that Anthem Blue Cross Blue Shield sells on the Wisconsin Marketplace in 2027, according to Anthem Blue Cross Blue Shield's network file loaded November 4, 2026. Not every Anthem Blue Cross Blue Shield plan includes it. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Source: the insurers' 2027 machine-readable provider files listed in the CMS Marketplace public use files, loaded November 4, 2026, matched to hospitals by NPI from CMS Hospital Enrollments. How we match networks to hospitals Networks change; confirm with your insurer before you go.
Readmissions and return visits
Centers for Medicare & Medicaid Services · Medicare patients · Jul 2023 – Jun 2025
Back in the hospital within 30 days
| After a stay for | This hospital | U.S. | CMS comparison |
|---|---|---|---|
| Heart failure | 21.1% | 21.3% | Not compared |
| Pneumonia | 17.4% | 17.3% | Not compared |
| COPD (chronic lung disease) | 19.5% | 20% | Not compared |
Readmission rates count Medicare patients who were admitted to any acute-care hospital within 30 days of leaving this one, adjusted for how sick they were. "Better" or "worse" means CMS found the difference from the national rate statistically significant; most hospitals are "no different". Return-day and outpatient-surgery measures compare the hospital with what CMS expected for its own patients. The Readmissions Reduction Program ratios are shown as CMS publishes them; whether a hospital's payments are reduced depends on how its ratios compare with similar hospitals, so a ratio above 1.00 alone doesn't mean a penalty. About the data.
Timely and effective care
Centers for Medicare & Medicaid Services · all patients unless noted · Oct 2024 – Sep 2025
St Marys Hsptl Superior's emergency department is classed by CMS as low volume.
| Measure | This hospital | U.S. |
|---|---|---|
| Sepsis: got all recommended early treatmentPatients with severe sepsis or septic shock who received every step of the recommended early care bundle. Higher is better. 47 patients. | 60% | 65% |
| Typical time in the ER before going homeMedian minutes from arrival to leaving, for ER patients sent home (not counting mental health patients or transfers). Lower is better. 331 patients. | 124 min | 162 min |
| Typical ER time for mental health patients sent homeMedian minutes from arrival to leaving. Lower is better. 15 patients. | 125 min | 257 min |
| Typical ER time for patients transferred to another facilityMedian minutes from arrival to leaving. Lower is better. 37 patients. | 305 min | 287 min |
| Patients who left the ER before being seenLower is better. 13,346 patients. | 1% | 2% |
| Health care workers vaccinated against fluHigher is better. 573 patients. | 61% | 78% |
| Discharged on two opioids, or an opioid and a benzodiazepinePatients sent home with prescriptions that raise the risk of overdose when combined. Lower is better. 83 patients. | 20% | 15% |
CMS publishes these process-of-care measures without a better/worse verdict, so the U.S. figure is shown for context; small differences, or results based on few patients, may not mean much. About the data.
Care after a stay at St Marys Hsptl Superior
Medicare-certified providers near this hospital, with their CMS ratings. A hospital discharge planner can make the referral.
Skilled nursing facilities nearby
- 0.2mi Twin Ports Health Services Superior, WI · 90 beds Medicare overall 5 of 5 stars · Short-stay quality 3 of 5
- 1.3mi Villa Marina Health and Rehabilitation Center Superior, WI · 72 beds Medicare overall 5 of 5 stars · Short-stay quality 4 of 5
- 1.9mi Dove Healthcare - Superior Superior, WI · 118 beds Medicare overall 2 of 5 stars · Short-stay quality 3 of 5
Skilled nursing ratings and inspections at Nursing Homes In Each State
Dialysis centers nearby See more
- 4.1mi FMC Dialysis Services of Spirit ValleyDuluth, MN
- 11mi Fresenius Kidney Care Miller HillHermantown, MN
- 21mi Fresenius Medical Care - CloquetCloquet, MN
Home health agencies nearby See more
- 4.1mi Aveanna Home HealthDuluth, MN · 84% would recommend
- 4.1mi Centerwell Home HealthDuluth, MN · 83% would recommend
- 7.1mi Aspirus St. Luke's at Home - Home Care - DuluthDuluth, MN · 76% would recommend
Hospice care providers nearby See more
- 7.1mi Aspirus St. Luke's at Home-Hospice-DuluthDuluth, MN · 86% would recommend
- 7.1mi Essentia Health St Mary's Hospice & Palliative Care ServicesDuluth, MN · 89% would recommend
- 11mi Moments HospiceHermantown, MN · 90% would recommend
Source: CMS Care Compare. Distances are approximate.
Doctors at St Marys Hsptl Superior
220 Medicare-enrolled doctors and other clinicians list this hospital as an affiliation, across 31 specialties.
Find doctors in Superior
Medicare-enrolled specialists with a practice in Superior, with addresses, phone numbers and the hospitals they work with.
Size and finances
Medicare cost report · fiscal year ending Jun 2025
As reported by the hospital to CMS; not audited. Operating margin is income from patient care divided by net patient revenue and leaves out investment income and donations. Compare Wisconsin hospital finances.
Who owns St Marys Hsptl Superior
Medicare enrollment and ownership records (PECOS)
Medicare lists the hospital's legal name as St Marys Hospital of Superior , incorporated 1995.
516 doctors and other clinicians list St Marys Hsptl Superior as a hospital affiliation in Medicare's clinician directory.
Organizations with 5% or more ownership (directly or through other companies), partnership interests or operational control, as the hospital reported them to Medicare. Records can lag behind recent sales. Individuals are not listed. Who owns America's hospitals.
The area around St Marys Hsptl Superior
HRSA shortage designations and BLS pay data
Primary care: Parts of Douglas are federally designated health professional shortage areas (1 designation). Highest shortage score 15.
Mental health: Douglas is a federally designated health professional shortage area. Highest shortage score 17.
Dental: Parts of Douglas are federally designated health professional shortage areas (1 designation). Highest shortage score 15.
Nurse pay: registered nurses in Wisconsin earn a median $95,530 a year. Healthcare salaries in Wisconsin.
Shortage areas are designated by the Health Resources and Services Administration where there are too few primary care, mental health or dental providers for the population; scores run from 0 to 25 for primary and mental health care and 0 to 26 for dental care, higher meaning greater need. Wisconsin shortage areas
Closest other hospitals
Healthcare pay in Wisconsin
Registered nurses across Wisconsin (all employers) earned a median of $95,530 a year (BLS, May 2025).Registered Nurse (RN) salary in WisconsinNurse Practitioner salary in WisconsinRespiratory Therapist salary in WisconsinHealthcare salaries in Wisconsin
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Cite this data
Writing about St Marys Hsptl Superior? You're welcome to quote these figures. They are free to use under CC BY 4.0: please credit HospitalsInEachState.com and link to this page.