About Us

Our staff and volunteers are committed to extending the hospital’s healing mission to you, your family and visitors through acts of compassion, care, respect and joy.

Female doctor treats a male adolescent while a female nurse stands at the bedside Female doctor treats a male adolescent while a female nurse stands at the bedside
Blue prints on table

Healthcare. Re-Imagined.

HSHS St. Mary’s Hospital is entering a new era of healthcare in Decatur.  We are reimagining our footprint and care delivery model to ensure our mission continues as we serve our current patients and future generations in a modernized environment.

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Annual Reports

Annual Reports

Year-in-review stories and highlights

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Community Health Needs Assessment

Community Health Needs Assessment

Information on programs and services built to serve community needs.

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Mission & Values

Mission & Values

Living out our Franciscan values.

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Leadership

Leadership

See our highly qualified local board of directors and administrative team.

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Quality and Safety

Quality and Safety

Quality and performance resources

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Founded in 1878 by three Hospital Sisters of St. Francis, HSHS St. Mary’s Hospital is an all-private room health care facility that combines modern technology with the caring spirit of the original founders. HSHS St. Mary’s is situated on a 21-acre campus overlooking Lake Decatur and offers a broad spectrum of comprehensive health services, including the latest diagnostic equipment, interventional cardiology, surgical and medical intervention, emergency medical care, outpatient radiation therapy, pain management and a sleep center. HSHS St. Mary’s also offers a variety of community education and wellness programs. 

HSHS St. Mary's Hospital's approach to health care combines the compassion and human touch of more than a century of caring with the modern technologies available today.

Our Service Area

St. Mary's Hospital serves Decatur, Macon County, Illinois and the surrounding communities and counties in central Illinois including Argenta, Arthur, Assumption, Atwood, Bethany, Blue Mound, Dalton City, Findlay, Forsyth, Hammond, Harristown, Illiopolis, Latham, Lovington, Macon, Monticello, Moweaqua, Mt. Auburn, Mt. Zion, Niantic, Oreana, Pana, Shelbyville, Sullivan, Taylorville and Warrensburg.

HSHS St. Mary's Hospital is an affiliate of the Hospital Sisters Health System.

News

Gently Used Sale Set for April 30 and May 1

Gently Used Sale Set for April 30 and May 1

April 11, 2025
Spring in to summer and support the Partners of HSHS St. Mary's
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Dr. Theodore Addai accepts HeartFlow Cardiac CT Award alongside HSHS St. Mary’s Hospital Chief Administrative Officer Timothy Layman and St. Mary’s Hospital Imaging colleagues.

Imaging Recognized with Cardiac CT Quality Award

March 31, 2025
HSHS St. Mary's is proud to announce it has received the Cardiac CT Quality Award from HeartFlow, Inc.
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Lab technician processing samples

Outpatient Lab Hours Expanding for Convenience and Accessibility

March 31, 2025
HSHS St. Mary's is expanding outpatient lab hours and adding Saturday service
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