
Charles Berkelhammer, M.D.
Medical school
University of Toronto
Residency
St. Michael’s Hospital, Nutrition; Toronto General Hospital, Internal Medicine
Fellowship
University of Chicago
Board Certification
American Board of Internal Medicine – Gastroenterology , American Board of Internal Medicine – Internal Medicine
Languages Spoken
English
Dr. Charles Berkelhammer completed his medical education at the University of Toronto and then went to the University of Chicago for residency. He is a clinical professor at the University of Illinois and has written over 50 articles. He was listed in the “Top Doctors” list in the Chicago Magazine in 2001, 2021, 2022, 2023, 2024, and 2025. He has received 15 Teacher of the Year awards. He is a multi-board certified doctor with board certifications in Internal Medicine and Gastroenterology. While Dr. Charles Berkelhammer treats all kinds of gastrointestinal issues, he has a special interest in treating inflammatory bowel disease (IBD), liver disease, celiac disease, and esophageal disorders.
Care Philosophy
From preventive screenings to advanced treatments, I believe in blending medical expertise with compassionate care. Because when it comes to digestive health, knowledge and early intervention can make all the difference.
Clinical Interests
Gastrointestinal Disorders,Esophageal Disorders,Liver Disease
Office Locations

Southwest Gastroenterology – Your Journey to Better Gut Health
Southwest Gastroenterology has been serving the digestive health needs of patients in the southwest suburbs of Chicago for over 30 years. With offices in New Lenox, Oak Lawn, and Oak Brook Terrace, the practice offers convenient access to expert GI care close to home. Their team of board-certified gastroenterologists and advanced practitioners specializes in the diagnosis and treatment of conditions like acid reflux, IBD, liver disease, and colorectal cancer screening. As a proud division of GI Partners of Illinois, the practice combines compassionate service with clinical excellence to deliver high-quality care you can trust.

Southwest Gastroenterology – Your Journey to Better Gut Health
Southwest Gastroenterology has been serving the digestive health needs of patients in the southwest suburbs of Chicago for over 30 years. With offices in New Lenox, Oak Lawn, and Oak Brook Terrace, the practice offers convenient access to expert GI care close to home. Their team of board-certified gastroenterologists and advanced practitioners specializes in the diagnosis and treatment of conditions like acid reflux, IBD, liver disease, and colorectal cancer screening.