Mercy Clinic Primary Care - Jefferson

Doctor's Office
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.

Meet Our Virtual Assistant

To save you time when calling our clinic, you’ll be greeted by Toni, Mercy’s virtual assistant. Toni can help right away if you’d like to book, change or cancel a visit, or request medication refills from Mercy Pharmacies. Toni is also available through the chat feature here on our website.

If you prefer self-service, log in to your MyMercy  account to make or change appointments, request refills and much more.  

Meet Our Team