SSM Health St. Joseph Hospital - Wentzville

SSM Health St. Joseph Hospital - Wentzville

SSM Health St. Joseph Hospital - Wentzville is the high-quality, health care provider to residents of western St. Charles, Warren, Lincoln and Montgomery counties. Our facility offers the surrounding communities a 24-hour emergency department and ambulatory services, with convenient access to outpatient programs, including diagnostic, cardiology, pulmonary and rehab services.

Behavioral health inpatient and outpatient care is also an integral part to our services. We provide care for seniors, adults and adolescents, helping them find and navigate their health-related challenges. Rest assured you’ll receive exceptional care from the moment you begin your journey with SSM Health.

24/7 Emergency Care

Patients in Wentzville and surrounding areas can rely on us for full-service care whenever an emergency happens.

Find Emergency Care

Substance Use Treatment

We offer outpatient rehabilitation programs that allow patients to work through addiction treatment without putting life on hold.

Learn About Treatment

Visitor Guidelines

SSM Health St. Joseph Hospital - Wentzville and SSM Health Medical Group have updated our visitor policy to:

  • SSM Health has discontinued its universal masking policy.
  • Masks are no longer required, with the exception of those who have known or suspected COVID-19 or other upper respiratory symptoms.
  • Patients will continue to be screened for upper respiratory symptoms, and masks will be provided for those who need one.
  • We support patients and visitors who choose to wear a mask.

Patient Resources & Programs

SSM Health is here to make a trip to our hospital, clinics, or medical group locations as easy as possible by providing information to help manage your visit and connect you with resources.

Recognize a Nurse

Contact Us About Your Patient Experience

We want to hear from you! Tell us about your SSM Health experience by filling out our Contact Us form.

Long-Acting Injection Clinic

The Long-Acting Injection Clinic (LAI) is an alternative treatment option for adults and adolescents who are having trouble consistently taking their daily / regular antipsychotic or addiction medicine in the form of a tablet, capsule or liquid. At the LAI Clinic, we safely administer a patient's medicine in the form of a single injection, which steadily releases the medication into the body over the course of several weeks. The advantage of this approach is that patients do not need to be reminded of their illness everyday by taking a medication, nor do they need to make the daily decision to do so. This can decrease the risk of illness, hospitalization, and other complications.

Learn more about the LAI Clinic.