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 Michael's Hospital - CAH
- 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
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Quick answers about St Michael's Hospital - CAH
How long is the ER wait at St Michael's Hospital - CAH?
CMS doesn't publish live wait times. Over the 12 months CMS reported, patients treated and sent home spent a median of 1 hr 52 min in the St Michael's Hospital - CAH emergency room (the average across South Dakota hospitals is 1 hr 54 min). 0% of ER patients left before being seen. For tonight's wait, call (605) 589-2100. In an emergency, call 911.
What is the phone number for St Michael's Hospital - CAH?
The main phone number for St Michael's Hospital - CAH is (605) 589-2100, from Medicare's hospital records.
Call (605) 589-2100What is the address of St Michael's Hospital - CAH?
St Michael's Hospital - CAH is at 410 W 16th Ave, Tyndall, SD 57066.
Directions (opens Google Maps)Does St Michael's Hospital - CAH have an emergency room?
Yes. St Michael's Hospital - CAH 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 Michael's Hospital - CAH spend a median of 1 hour 52 minutes there. That is about the same as the average across South Dakota hospitals (1 hour 54 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 Michael's Hospital - CAH. For a medical emergency, call 911.
Compare ER waits across South Dakota · Other Critical Access hospitals in South Dakota · How we source this data · Something wrong on this page? Tell us
What patients say
CMS patient survey (HCAHPS) · 27 completed surveys · patients discharged Oct 2024 – Sep 2025
71% would definitely recommend it (U.S. average 71%). 90% 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. CMS gives a star rating only to hospitals with at least 100 completed surveys, so this hospital has answer percentages but no stars. These results come from fewer than 100 completed surveys, so CMS advises using them with caution. About the data.
Infections, complications and deaths
Centers for Medicare & Medicaid Services · compared with hospitals nationwide
Death rates within 30 days
| Patients treated for | This hospital | U.S. |
|---|---|---|
| Hospital-wide, all conditions | 4.0% | 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). 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 Michael's Hospital - CAH accept?
Original Medicare: Medicare-certified, so it can bill Original Medicare (Medicare number 431327). Medicare Advantage plans have their own networks, which this section does not cover.
2027 Marketplace plans in South Dakota that list this hospital
| Insurer | Plans in network | Network | Network tier |
|---|---|---|---|
| Avera Health Plans | 30 of 30 plans | CONNECTPLUS, DIRECTCONNECT | Connectplus |
| Wellmark Blue Cross Blue Shield | 14 of 14 plans | BLUERX-ESSENTIALS | Bluerx-Essentials |
| Sanford Health Plan | 8 of 54 plans | SIMPLICITY | Simplicity |
2027 plan year, individual Marketplace (ACA) plans only.Health insurance in South Dakota
Adults in South Dakota qualify for Medicaid up to 133% of the poverty line. Ask the hospital which South Dakota Medicaid plans it takes.
What insurance does St Michael's Hospital - CAH accept?
In the 2027 HealthCare.gov Marketplace plan data (insurer network files loaded November 4, 2026), St Michael's Hospital - CAH is in network for 3 Marketplace insurers in South Dakota: Avera Health Plans (30 of 30 plans), Wellmark Blue Cross Blue Shield (14 of 14 plans) and Sanford Health Plan (8 of 54 plans). 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 Michael's Hospital - CAH take Medicare?
St Michael's Hospital - CAH is a Medicare-certified hospital (CMS Certification Number 431327), 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 Michael's Hospital - CAH accept Avera Health Plans?
St Michael's Hospital - CAH is in network for 30 of 30 plans that Avera Health Plans sells on the South Dakota Marketplace in 2027, according to Avera Health Plans's network file loaded November 4, 2026. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Does St Michael's Hospital - CAH accept Wellmark Blue Cross Blue Shield?
St Michael's Hospital - CAH is in network for 14 of 14 plans that Wellmark Blue Cross Blue Shield sells on the South Dakota Marketplace in 2027, according to Wellmark Blue Cross Blue Shield's network file loaded November 4, 2026. Networks differ from plan to plan and can change, so confirm with the insurer before you get care.
Does St Michael's Hospital - CAH accept Sanford Health Plan?
St Michael's Hospital - CAH is in network for 8 of 54 plans that Sanford Health Plan sells on the South Dakota Marketplace in 2027, according to Sanford Health Plan's network file loaded November 4, 2026. Not every Sanford Health Plan 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
On the 1 readmission and return-visit measures CMS could compare, St Michael's Hospital - CAH was no different from the national rate or its expected level.
Return trips after a stay or procedure
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 Michael's Hospital - CAH's emergency department is classed by CMS as low volume.
| Measure | This hospital | U.S. |
|---|---|---|
| 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. 859 patients. | 112 min | 162 min |
| Typical ER time for mental health patients sent homeMedian minutes from arrival to leaving. Lower is better. 40 patients. | 129 min | 257 min |
| Typical ER time for patients transferred to another facilityMedian minutes from arrival to leaving. Lower is better. 62 patients. | 202 min | 287 min |
| Patients who left the ER before being seenLower is better. 1,062 patients. | 0% | 2% |
| Health care workers vaccinated against fluHigher is better. 108 patients. | 90% | 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. 32 patients. | 28% | 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 Michael's Hospital - CAH
Medicare-certified providers near this hospital, with their CMS ratings. A hospital discharge planner can make the referral.
Skilled nursing facilities nearby
- 0.5mi Good Samaritan Society Tyndall Tyndall, SD · 68 beds Medicare overall 2 of 5 stars · Short-stay quality 1 of 5
- 14mi Good Samaritan Society Scotland Scotland, SD · 45 beds Medicare overall 5 of 5 stars · Short-stay quality 5 of 5
- 22mi Good Samaritan Society - Wagner Wagner, SD · 50 beds Not rated by Medicare
Skilled nursing ratings and inspections at Nursing Homes In Each State
Dialysis centers nearby See more
- 22mi Avera Sacred Heart - Yankton DialysisYankton, SD
- 22mi Avera Dialysis - WagnerWagner, SD
Home health agencies nearby See more
- 22mi Avera @ HomeYankton, SD · 81% would recommend
Hospice care providers nearby See more
- 22mi Avera @ HomeYankton, SD · 85% would recommend
Source: CMS Care Compare. Distances are approximate.
Doctors at St Michael's Hospital - CAH
20 Medicare-enrolled doctors and other clinicians list this hospital as an affiliation, across 10 specialties.
Find doctors in Tyndall
Medicare-enrolled specialists with a practice in Tyndall, 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 South Dakota hospital finances.
Who owns St Michael's Hospital - CAH
Medicare enrollment and ownership records (PECOS)
Medicare lists the hospital's legal name as St Michael's Hospital, Inc., a non-profit organization, incorporated 1966.
35 doctors and other clinicians list St Michael's Hospital - CAH 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 Michael's Hospital - CAH
HRSA shortage designations and BLS pay data
Primary care: Parts of Bon Homme are federally designated health professional shortage areas (1 designation). Highest shortage score 11.
Mental health: Bon Homme is a federally designated health professional shortage area. Highest shortage score 18.
Dental: Parts of Bon Homme are federally designated health professional shortage areas (1 designation). Highest shortage score 9.
Nurse pay: registered nurses in South Dakota earn a median $78,060 a year. Healthcare salaries in South Dakota.
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. South Dakota shortage areas
Closest other hospitals
Healthcare pay in South Dakota
Registered nurses across South Dakota (all employers) earned a median of $78,060 a year (BLS, May 2025).Registered Nurse (RN) salary in South DakotaNurse Practitioner salary in South DakotaRespiratory Therapist salary in South DakotaHealthcare salaries in South Dakota
Cite this data
Writing about St Michael's Hospital - CAH? 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.