SLUCare Physician Group
Philippe Mercier, MD
General Surgery, Neurosurgery, Pediatric Neurosurgery

SLUCare Physician Group
1225 S. Grand Blvd., Second Level St. Louis, MO 63104
Dr. 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
General Surgery
Neurosurgery
Pediatric Neurosurgery
Gender
Male
Languages
French
Education
University of Tennessee - Memphis
Fellowship, 2015
University of Saskatchewan
Medical School, 2008
University of Calgary - Foothills Hospital
Residency, 2014
Hospital Affiliations
SSM Health Cardinal Glennon Children's Hospital
SSM Health DePaul Hospital - St. Louis
SSM Health Saint Louis University Hospital
SSM Health St. Clare Hospital - Fenton
SSM Health St. Mary's Hospital - St. Louis
Certifications
Drug Enforcement Administration
Illinois Department of Financial & Professional Regulation
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
Royal College of Physicians and Surgeons of Canada
Medical Interests
Chronic pain management
Endoscopic neurosurgery
Epilepsy surgery
Hydrocephalus
Neuro oncology
Neurologic trauma
Spasticity management
Spine and back surgery
Stereotactic surgery
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.7Overall Experience4.7Listened Carefully4.8Explained Things Clearly4.6Knew Medical History4.6Involved in Care Decisions4.8Showed Courtesy & Respect
Patient Reviews
SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
4.7 out of 5
64 ratings,
19 reviews
7/1/2026
Dr. Mercier has been very helpful, thoughtful, knowledgeable, and compassionate through our whole experience
6/17/2026
He was very good at explaining things to us
5/29/2026
He is the best.
4/23/2026
Very Great
4/2/2026
He is a great surgeon
Map & Directions
SLUCare Physician Group
1225 S. Grand Blvd., Second Level St. Louis, MO 63104



