SSM Health Medical Group
Mark Leibold, MD
General Surgery

SSM Health Medical Group
300 Medical Plaza, Suite 310 Lake St. Louis, MO 63367
Thomas Leibold, MD, FACS, completed an advanced laparoscopic surgery fellowship at the University of Virginia in 2006. He is certified to perform laparoscopic gastric, colon, spleen, adrenal, reflex, and hernia surgery, as well as general and endocrine surgery.
Dr. Leibold served his general surgery residency at Emory University Hospital in Atlanta. His medical degree is from the University of Florida. Dr. Leibold also holds bachelor's degrees in industrial engineering and applied mathematics, both of which were earned at Georgia Institute of Technology.
"For those who require surgery, I am pleased to be able to provide the latest in advanced laparoscopic surgery to help ensure the best surgical outcomes for my patients," Dr. Leibold said.
Dr. Leibold served his general surgery residency at Emory University Hospital in Atlanta. His medical degree is from the University of Florida. Dr. Leibold also holds bachelor's degrees in industrial engineering and applied mathematics, both of which were earned at Georgia Institute of Technology.
"For those who require surgery, I am pleased to be able to provide the latest in advanced laparoscopic surgery to help ensure the best surgical outcomes for my patients," Dr. Leibold said.
About Me
Specialties
General Surgery
Gender
Male
Education
University of Virginia, Charolettesville
Fellowship, 2006
University of Florida College of Medicine
Medical School, 2000
Emory University Hospital
Internship, 2001
Emory University Hospital
Residency, 2005
Hospital Affiliations
SSM Health St. Joseph Hospital - Lake Saint Louis
SSM Health St. Joseph Hospital - St. Charles
Certifications
American Board of Surgery
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
Medical Interests
Advanced laparoscopic surgery
Ostomy Care
Robotic assisted surgery
Wound care
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.9Overall Experience4.9Listened Carefully4.8Explained Things Clearly4.7Knew Medical History4.8Involved 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.
4.8 out of 5
76 ratings,
23 reviews
5/1/2026
Very good at his skills.
4/30/2026
Outstanding
4/23/2026
I had never met him before but we knew my past history and was informative as to how to move forward.
4/12/2026
Dr Leibold is an exceptional doctor, very knowledgeable and very kind. I would highly recommend him to anyone needing surgery.
3/18/2026
Extremely nice and very interested in my problem
Map & Directions
SSM Health Medical Group
300 Medical Plaza, Suite 310 Lake St. Louis, MO 63367
Mon
8:00 am - 4:30 pm
Tue
8:00 am - 4:30 pm
Wed
8:00 am - 4:30 pm
Thu
8:00 am - 4:30 pm
Fri
8:00 am - 4:30 pm
Sat
Closed
Sun
Closed
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