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For non-emergency assistance after hours, call our exchange at (314) 364-5277.
Our experts share the best ways to keep your newborn healthy and thriving. Download Mercy's "Newborn Care" guide here.
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:
Pediatric COVID-19 Vaccine appointments are now available for existing patients at Mercy Clinic Pediatrics - O'Fallon. To schedule an appointment, please call 636-978-7902 (existing patients only).