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SSM Health Medical Group

Marisa Lynch, PA-C Physician Assistant, Gastroenterology in Lake St. Louis, MO

Marisa Lynch, PA-C Physician Assistant, Gastroenterology in Lake St. Louis, MO
4.9 out of 5 – 

SSM Health Medical Group

300 Medical Plaza Lake St. Louis, MO 63367
Marisa Lynch, 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.

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
4.9
Listened Carefully
4.9
Explained Things Clearly
4.9
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
136 ratings,
58 reviews
10/24/2026
Marisa was a wonderful health professional to work with.
10/20/2026
Very knowledgeable and concern of my overall health
10/19/2026
Marisa and I has a wonderful conversation about my health. She was up to date on all my latest information (as if she had studied my records rights before the appointment.) We moved on to the next step of treatment with high hopes. It was great.
10/17/2026
Very professional yet kind and approachable
10/14/2026
She is very knowledgeable and made me feel comfortable talking about uncomfortable subjects. She seemed as she really cared about my condition and knew what to do about it.

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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