St Marys Hospital
St Marys Hospital (CCN 140166) is an acute care hospital in Decatur, IL with 355 certified beds, part of Hospital Sisters Health System. Medicare overall rating: 1 of 5. Data as of August 2026.
This is an independent reference profile, not the official website of St Marys Hospital. Contact the hospital directly to schedule or to verify insurance.
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St Marys Hospital at a glance
- Hospital
- St Marys Hospital
- Location
- Decatur, IL 62521
- Address
- 1800 E Lake Shore Dr
- Phone
- (217) 464-2966
- Type
- Acute care hospital
- Ownership
- Voluntary non-profit — Private
- Certified beds
- 355
- Operating rooms
- 8
- Cath procedure rooms
- 3
- Emergency services
- Yes
- Health system
- Hospital Sisters Health System
- Corporate parent
- HOSPITAL SISTERS HEALTH SYSTEM
- Annual discharges
- 4,514
- CCN
- 140166
- NPI
- 1326041229
Services on record
Units and service lines this hospital reports operating, whether staffed directly or under arrangement. Service availability changes; verify independently.
- Intensive care unit
- Dedicated emergency department
- Obstetrics
- Neonatal nursery
- Cardiac catheterization lab
- Orthopedic surgery
- Ophthalmic surgery
- Chemotherapy
- MRI
- CT
- Nuclear medicine
- Therapeutic radiology
- Outpatient surgery unit
- Emergency psychiatric care
- Outpatient rehabilitation
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- Hshs Holy Family Hospital IncGreenville, IL
- Door County Medical CenterSturgeon Bay, WI
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- St Francis HospitalLitchfield, IL
- St Joseph's HospitalHighland, IL
143 cited deficiencies on record across all surveys, most recent survey 2025-12-09.
Citation counts scale with survey frequency and facility size, and say nothing on their own about current conditions.
Mapping the outpatient side of this market? Browse ambulatory surgery centers in Illinois or ASC-affiliated surgeons in Illinois.
What kind of hospital is St Marys Hospital?
St Marys Hospital is an acute care hospital in Decatur, IL with 355 certified beds.
What health system is St Marys Hospital part of?
St Marys Hospital is affiliated with Hospital Sisters Health System in our current records. System affiliations change over time; verify independently.
What services does St Marys Hospital offer?
St Marys Hospital reports operating the following units and service lines, whether staffed directly or under arrangement: Intensive care unit, Dedicated emergency department, Obstetrics, Neonatal nursery, Cardiac catheterization lab, Orthopedic surgery, Ophthalmic surgery, Chemotherapy, MRI, CT, Nuclear medicine, Therapeutic radiology, Outpatient surgery unit, Emergency psychiatric care, Outpatient rehabilitation. Service availability changes; verify with the hospital directly.
Is this the official website of St Marys Hospital?
No. This is an independent reference profile published by DataLily AI, not the official website of St Marys Hospital. Contact the hospital directly to schedule or to verify insurance.
Certification, capacity, ownership, and affiliations change over time. This is not an endorsement, and not billing, clinical, or legal advice. Verify against official sources before relying on it. Read the DataLily AI data methodology.