SLUCare Physician Group
Philippe Mercier, MD
General Surgery, Pediatric Neurosurgery, Neurosurgery
4.6 out of 5 –
SSM Health Cardinal Glennon Pediatrics - Neurosurgery
301 Caledonia Parkway, Suite 220
O Fallon, MO 63368
Phone
314-577-5306Dr. Philippe Mercier is a neurosurgeon with expertise in: epilepsy surgery; neuro-oncology; trauma; spine surgery; pediatric neurosurgery; pain surgery; hydrocephalus; and spasticity surgery. He provides comprehensive care using the latest medical advancements, including image-guided stereotactic surgery and endoscopic cranial surgery. He also performs minimally invasive spine surgery.
Dr. Mercier is interested in research to develop a model of glioblastoma invasion to advance pediatric and adult treatment of severe head injury.
He is an assistant professor in the Department of Surgery, Division of Neurosurgery at Saint Louis University School of Medicine.
Dr. Mercier is a member of the American Association of Neurosurgery, the Congress of Neurological Surgery, the Canadian Federation of Neurological Surgery, the American Epilepsy Society, and the International Society for Pediatric Neurosurgery.
He is a native of Canada.
Dr. Mercier is interested in research to develop a model of glioblastoma invasion to advance pediatric and adult treatment of severe head injury.
He is an assistant professor in the Department of Surgery, Division of Neurosurgery at Saint Louis University School of Medicine.
Dr. Mercier is a member of the American Association of Neurosurgery, the Congress of Neurological Surgery, the Canadian Federation of Neurological Surgery, the American Epilepsy Society, and the International Society for Pediatric Neurosurgery.
He is a native of Canada.
About Me
Specialties
Pediatric Neurosurgery
Neurosurgery
Gender
Male
Languages
French
Education
University of Tennessee - Memphis
Fellowship, 2015
University of Calgary - Foothills Hospital
Residency, 2014
University of Saskatchewan
Medical School, 2008
Certifications
Royal College of Physicians and Surgeons of Canada
Missouri State Board of Registration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Drug Enforcement Administration
Illinois Department of Financial & Professional Regulation
Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.6 out of 5
43 ratings,
17 reviews
10/23/2025
He was very helpful and knowledgeable. He put my mind at ease with my issues.
10/23/2025
Very thankful for his expertise! Very kind person!
9/16/2025
Can't say enough he's great
9/11/2025
Very caring
8/28/2025
Explains information thoroughly.
Map & Directions
SSM Health Cardinal Glennon Pediatrics - Neurosurgery
301 Caledonia Parkway, Suite 220 O Fallon, MO 63368
Monday - Sunday
Closed
Phone
314-577-5306