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SSM Health Medical Group

Marisa Lynch, PA-C

Physician Assistant
Marisa Lynch image
4.9 out of 5 – 

SSM Health Medical Group

300 Medical Plaza Lake St. Louis, MO 63367
Marisa Christopher, PA-C, is a physician assistant who specializes in gastroenterology for adult patients ages 18 and older. She evaluates and treats various gastrointestinal conditions and disorders on an outpatient basis, including liver disease, GERD, esophageal motility disorders, nonalcoholic steatohepatitis (NASH), cirrhosis, primary biliary cholangitis (PBC), primary sclerosing cholangitis (PSC), exocrine pancreatic insufficiency (EPI), Crohn's disease, ulcerative colitis, irritable bowel syndrome (IBS), diverticulitis, ileus, and hemorrhoids. She also sees patients who are experiencing certain troubling symptoms such as constipation, nausea, vomiting, blood in stool, and iron deficiency (anemia).

Marisa provides compassionate, patient-centered gastrointestinal care for her patients, ensuring their needs are properly addressed. Working alongside a team of gastroenterology specialists, she obtains medical histories; conducts physical exams, develops differential diagnoses; and formulates and implements treatment plans to help her patients find relief.

About Me

Reviews

Rating Breakdown

Reviews are measured on a scale of 1 to 5, with 5 being the best score.

Question Breakdown

4.9
Overall Experience
4.8
Listened Carefully
4.9
Explained Things Clearly
4.8
Knew Medical History
4.9
Involved in Care Decisions
4.9
Showed 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.
4.9 out of 5
122 ratings,
48 reviews
6/19/2026
She explained everything about my up coming proceedure very good.
6/5/2026
She is very knowledgeable.
5/16/2026
Took time to listen
5/14/2026
She was nice
5/12/2026
She's great!

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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