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Mercy Hospital Jefferson

Mercy Hospital Jefferson

Hospital or Emergency Room
At This Location
1400 US Highway 61
Festus, MO 63028

Phone: (636) 933-1000
Fax: (636) 933-1002
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Mercy Hospital Jefferson is a 251-bed acute care facility located in Festus, Mo., providing 24-hour emergency room care and a full range of diagnostic, preventive and restorative health care services.

Jefferson Memorial Hospital opened on May 15, 1957, and Jefferson Regional Medical Center became a Mercy Hospital on Feb. 1, 2013.

Mercy StepOne Service™

It’s the first phase in your recovery process. The Mercy StepOne Service™ is a three to-five-day acute withdrawal management service for adults who are in impending or the early stage of withdrawal from alcohol and/or opioids. Learn more.

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Related Services

At Mercy, we offer comprehensive services to diagnose and treat a full range of conditions, including:

At Mercy, we offer comprehensive testing services to diagnose conditions and injuries, including:

At Mercy, we offer compassionate care for a variety of treatment services, including:
Additional Information
Online Cost Estimates
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Visiting Hours & Services
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View our visiting hours and additional services provided by the hospital.
Classes & Seminars
Classes & Events
We offer education programs, maternity programs, bariatric phone consultations and more.
Quality & Patient Safety
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Review our most recent report on Mercy’s quality and patient safety progress.