Now serving patients at 301 Caledonia Parkway in O'Fallon, Missouri, SSM Health Medical Group providers still offer the same compassionate primary care you have come to expect. Highly-skilled physicians and nurse practitioners offer care to all ages. With more than 40 locations in the St. Louis and surrounding areas, SSM Health provides convenient health care services for the entire family. If you're eligible for Medicare, visit our on-site Medicare Resource Center where a licensed sales agent can walk you through a variety of plan options. Visit WellFirstHealth.com to learn more. A department of SSM Health St. Joseph Hospital - Lake Saint Louis