About Dr. O'Riordan

Dr O'Riordan is Board Certified in Internal Medicine and Gastroenterology.   Gastrointestinal diseases specialist, Hepatology, Liver Transplants & Disease, GI, digestive system and colon cancer screening, GERD, peptic ulcer, malabsorption, IBD, liver, pancreas, Hepatitis B & C

Dr. Kenneth O’Riordan is a leading gastroenterologist who for over 30 years has been dedicated to helping patients with his caring and understanding approach. In his clinical practice at Lakeshore Gastroenterology and Liver Disease Institute, he provides comprehensive care for patients with various gastrointestinal, liver, biliary and pancreatic diseases. He is Board Certified in Internal Medicine, Gastroenterology, Hepatology and Liver Transplantation.

In addition to his clinical practice, Dr. O’Riordan serves as the Director of Hematology for Lutheran General’s Gastroenterology Fellowship Program and as a lecturer and member of the Medical Advisory Committee for the American Liver Foundation. Throughout his career he has published scientific articles, case reports, and abstracts

A dedicated educator and mentor, Dr. O’Riordan teaches medical students, residents, and fellows about liver disease and gastroenterology. Throughout his career he has given numerous lectures at local, national, and international conferences on various aspects of gastrointestinal and liver diseases. 

Dr. O’Riordan has received numerous awards including “Outstanding Performance in Problem Based Learning” from Northwestern University, the “Crean Nursing Award” from Advocate Lutheran General Hospital, and “Chicago Top Doctor” in the Castle Connolly Guide and is a "Chicago Top Cancer Doctor." He is a member of several gastrointestinal professional societies.

Dr. O’Riordan spends his leisure time with his wife and three children.

He and the healthcare team at Lakeshore Gastroenterology and Liver Disease Institute work together to help you Get Back To Living Comfortably.

Education & Training

Board Certifications

American Board of Internal Medicine and Gastroenterology

Medical School

Royal College of Surgeons, Ireland


Beaumont Hospital, Dublin Ireland


Rush Presbyterian St.Luke's Medical School, Chicago, Illinois

Gastroenterology Fellowship

Advocate Lutheran General Hospital, Park Ridge, Illinois


Northwestern University, Chicago, Illinois

Practicing Since



Fellow of the American College of Physicians (ACP)

Medical Advisory Committee, Illinois Chapter, American Liver Foundation (ALF)

Member American Gastroenterological Association (AGA)

Member Irish Medical Council (IMC)

Member Chicago Society of Gastroenterology (SGNA)

Additional experience

Director of Hepatology, Advocate Lutheran General Gastroenterology Fellowship Program

Adjunct Professor of Medicine, Northwestern University

Clinical Affiliate in Hepatology, Northwestern University

Assistant Professor of Medicine, Northwestern University

Former Director and Assistant Director of the Gastroenterology Fellowship Program, Advocate Lutheran General Hospital

Former Program Director of Gastroenterology Fellowship Program, Northwestern University

Clinical Interests

Gastrointestinal disorder

Colon Cancer Screening

Gastroesophageal reflux disease (GERD)

Peptic Ulcer Disease


Inflammatory Bowel Disease (IBD)

Cancers of the Digestive System, liver and pancreas


Viral Hepatitis B and C

Fatty Liver Disease

Complications of Cirrhosis



Endoscopy of the Bile Duct

Languages Spoken

English, Gaelic, French


Teaching Attending of the Year, Internal Medicine, Advocate Lutheran General Hospital.

Teaching Attending of the Year, Family Practice, Advocate Lutheran General Hospital.

“Chicago Top Doctor,” Castle Connolly Guide.

“Crean Nursing Award,” Advocate Lutheran General Hospital.

“Outstanding Performance in Problem Based Learning,” Northwestern University.

Contact Information

150 N. River Road, Suite 210, Des Plaines, IL 60016

PHONE (847) 290-3800

FAX (847) 290-0889 

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