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Mercy Clinic Primary Care - Jefferson

Doctor's Office
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1390 US Highway 61, Suite N1000
Festus, MO 63028

Phone: (636) 933-9300
Fax: (636) 933-9114
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Establishing a relationship with a Mercy Clinic primary care provider is the most effective and efficient way to manage health care for you and your family. At Mercy Clinic Primary Care - Jefferson, physicians provide a full range of medical care for the entire family. They are supported by numerous medical specialists and a full range of diagnostic laboratory and imaging services.

We've made it easier to reach us.

Our new, extended phone hours: 
M-F | 7 a.m. - 7 p.m.
Sat | 8 a.m. - noon

While our care team is still available to answer your medical concerns 24/7, we're extending our phone hours for non-medical needs, too. Call to schedule an appointment, request refills and more during our extended phone hours. Or use your MyMercy+ app or mercy.net anytime.

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:

Meet Our Team
Additional Information
Consent for Services Form
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Download our consent form before your visit to save time on paperwork.