Dr. Tamer Atassi, MD

Dr. Atassi is a board-certified gastroenterologist with over 20 years of clinical experience. After finishing his residency training at Indiana University Medical Center, he completed comprehensive Gastroenterology Fellowship specialty training at The Johns Hopkins University Hospital in Baltimore, Maryland.

Dr. Atassi performs endoscopic procedures and treats patients with numerous gastrointestinal disorders including acid reflux disease, ulcer disease, pancreatic disorders, inflammatory bowel disease, colon cancer screening, irritable bowel syndrome, liver disease, and biliary disorders.

Office Locations

Southwest Gastroenterology – New Lenox

At Southwest Gastroenterology – New Lenox, we are the trusted leader in digestive health care for the New Lenox community. Our expert team of physicians combines years of experience with cutting-edge technology to provide exceptional gastroenterology services. Whether you need routine screenings or advanced treatments, we offer personalized care that focuses on your health and comfort.