SSM Health Medical Group
Joel Riley, MD
Gastroenterology

SSM Health Medical Group
6400 Clayton Road, Suite 216 St. Louis, MO 63117
Dr. Riley is board certified in gastroenterology. He was eligible for early acceptance into medical school and earned his medical degree at Meharry Medical College in Nashville, Tennessee. He completed his internship at St. John's Mercy Medical Center and his residency at SSM Health St. Mary's Hospital - St. Louis, where he also completed his fellowship in gastroenterology. He is a member of the American Gastroenterological Association, American Society of Gastroenterology and American College of Gastroenterology. Dr. Riley is Assistant Clinical Professor at Saint Louis University Medical Center and has been voted one of America's Top Doctors several years consecutively.
Dr. Riley specializes in the diagnosis and treatment of diseases of the gastrointestinal tract and hepatobiliary systems. His practice interests include general gastroenterology, screening colonoscopy, and esophageal disorders among other GI related conditions and procedures. He has been in practice for over 25 years and is on the staff at SSM Health St. Mary's Hospital - St. Louis.
"I am fortunate to work in the community where I grew up. I watched my father in his practice and was influenced by the help he gave, and in awe of the gratitude of the patients that he treated. I have always wanted to provide help to people in that manner and improve their quality of life."-Joel Riley, MD
Dr. Riley specializes in the diagnosis and treatment of diseases of the gastrointestinal tract and hepatobiliary systems. His practice interests include general gastroenterology, screening colonoscopy, and esophageal disorders among other GI related conditions and procedures. He has been in practice for over 25 years and is on the staff at SSM Health St. Mary's Hospital - St. Louis.
"I am fortunate to work in the community where I grew up. I watched my father in his practice and was influenced by the help he gave, and in awe of the gratitude of the patients that he treated. I have always wanted to provide help to people in that manner and improve their quality of life."-Joel Riley, MD
About Me
Specialties
Gastroenterology
Gender
Male
Languages
French
Education
SSM Health St. Mary's Hospital - St. Louis
Residency, 1990
St. Louis University Health Sciences Center
Fellowship, 1992
Mercy Hospital St. Louis
Internship, 1987
Meharry Medical College School of Medicine
Medical School, 1986
Hospital Affiliations
SSM Health DePaul Hospital - St. Louis
SSM Health St. Clare Hospital - Fenton
SSM Health St. Mary's Hospital - St. Louis
Certifications
American Board of Internal Medicine/Gastroenterology
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
Medical Interests
Endoscopy
ERCP Endoscopic retrograde cholangiopancreatography
Flexible sigmoidoscopy
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 Carefully4.9Explained Things Clearly4.8Knew Medical History4.8Involved 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
99 ratings,
35 reviews
6/18/2026
Dr. Riley provides amazing care. He shows concern about my overall health.
6/12/2026
He's the greatest!!
6/5/2026
Dr. Riley is the BEST!
6/5/2026
Dr Riley is VERY personable, professional, and knowledge.
5/22/2026
Dr. Riley is outstanding!!
Map & Directions
SSM Health Medical Group
6400 Clayton Road, Suite 216 St. Louis, MO 63117
Mon
8:30 am - 4:00 pm
Tue
8:30 am - 4:00 pm
Wed
8:30 am - 4:00 pm
Thu
7:30 am - 4:00 pm
Fri
7:30 am - 3:30 pm
Sat
Closed
Sun
Closed
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