Hospitals in Janesville, WI
2 hospitals, 2 with emergency services. Acute Care Hospital: 2.
Compare these hospitals side by side →
- Mercy Health System Corp(608) 756‑6161Acute Care Hospital · ER · Medicare rating 3 of 5 · Full profile
- SSM Health St Mary's Hospital - Janesville(608) 373‑8000Acute Care Hospital · ER · Medicare rating 4 of 5 · Full profile
Nursing homes, hospice, home health and dialysis
Medicare-certified providers, with Medicare star ratings and official data.
Outpatient surgery centers
Medicare-certified ambulatory surgery centers: kinds of surgery, Medicare quality measures and patient survey.
Medical supply stores
Medical equipment suppliers enrolled in Medicare: wheelchairs, walkers, oxygen, CPAP, diabetic supplies and more.
ER wait times and Medicare ratings
Ranked only by official Medicare (CMS) numbers.
Care in Janesville: specialties, conditions and doctors
Specialties listed by hospitals here
The number is how many hospitals here list it on their own website (hospitals with a reviewed website profile only).
Health centers, clinics and pharmacies in Janesville
Addiction and mental health treatment in Janesville
From SAMHSA’s FindTreatment.gov. In a crisis, call or text 988.
Common questions
How many hospitals are in Janesville, Wisconsin?
Our directory lists 2 hospitals in Janesville: Mercy Health System Corp and SSM Health St Mary's Hospital - Janesville.
Which hospitals in Janesville have an emergency room?
According to Medicare (CMS) data: Mercy Health System Corp and SSM Health St Mary's Hospital - Janesville. In a medical emergency, call 911.
What are the Medicare star ratings of hospitals in Janesville?
In the current CMS overall rating (1 to 5 stars): SSM Health St Mary's Hospital - Janesville, 4 stars and Mercy Health System Corp, 3 stars. Other hospitals here are not rated by CMS.
Source: Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-26, retrieved 2026-11-13. Basic profiles: services not yet reviewed in detail.