SSM Health Medical Group
Elizabeth Marsicano, MD
Gastroenterology, Internal Medicine

Dr. Elizabeth Marsicano is a gastroenterologist who treats patients ages 18 and older. She specializes in treating gastroesophageal reflux disease (GERD); esophageal motility/swallowing issues; chronic constipation; chronic diarrhea; celiac disease; Barrett's esophagus; pelvic floor disorders; inflammatory bowel disease (IBD); metabolic liver disease; hepatitis B/C; hemochromatosis; autoimmune liver disease cirrhosis; and gastrointestinal diseases in pregnancy. She also performs colonoscopies and upper endoscopies.
Dr. Marsicano aims to create a collaborative relationship with her patients to ensure optimal management of their gastrointestinal concerns through evidence-based practice, education, and mutual understanding. She works closely with her patients and their families to tailor a treatment plan that meets their specific needs and goals.
Dr. Marsicano is a founding member of the Missouri Gastroenterology Society; a member of the American College of Gastroenterology; and a member of the American Neurogastroenterology and Motility Society.
Fun fact: Dr. Marsicano enjoys traveling, yoga, and reading in her spare time.
Dr. Marsicano aims to create a collaborative relationship with her patients to ensure optimal management of their gastrointestinal concerns through evidence-based practice, education, and mutual understanding. She works closely with her patients and their families to tailor a treatment plan that meets their specific needs and goals.
Dr. Marsicano is a founding member of the Missouri Gastroenterology Society; a member of the American College of Gastroenterology; and a member of the American Neurogastroenterology and Motility Society.
Fun fact: Dr. Marsicano enjoys traveling, yoga, and reading in her spare time.
About Me
Specialties
Gastroenterology
Internal Medicine
Gender
Female
Education
Jackson Memorial Hospital/Jackson Health System In
Residency, 2011
University of Miami School of Medicine
Medical School, 2008
University of Miami/Jackson Memorial Hospital
Residency, 2012
University of Miami School of Medicine
Internship, 2009
Saint Louis University School of Medicine
Fellowship, 2015
Hospital Affiliations
SSM Health St. Joseph Hospital - Lake Saint Louis
SSM Health St. Joseph Hospital - St. Charles
Certifications
American Board of Internal Medicine/Gastroenterology
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
Medical Interests
GERD Gastroesophageal reflux disease
Esophageal motility disorders
Swallowing disorders dysphagia
Constipation
Diarrhea
Celiac disease
Barretts esophagus
Pelvic floor dysfunction
Inflammatory bowel disease (IBD)
Liver diseases
Hepatitis C
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.7Overall Experience4.8Listened Carefully4.9Explained Things Clearly4.7Knew Medical History4.9Involved in Care Decisions4.9Showed 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
49 ratings,
15 reviews
6/26/2026
She listened to me and explained what was going on
6/24/2026
She is a great doctor
5/4/2026
Dr Marsicano is very easy to talk to and she treats you like a real person and checks into your whole self and not just sort of you.
5/4/2026
She made sure to explain everything in layman's terms so it was easy for me to understand
4/27/2026
Highly recommend, exceptional Dr/patient communication.
Map & Directions
SSM Health Medical Group
300 Medical PlazaLake 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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