Dr. Ajay Bajaj, MD

Dr. Bajaj is a Board Certified Gastroenterologist who is currently accepting new patients. His certifications include Internal Medicine along with the Subspecialty Board of Gastroenterology, and American Board of Internal Medicine. He is active as a fellow with the American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy.

Dr. Bajaj is proficient in every aspect of gastroenterology, including diagnostic procedures like EGD, colonoscopy, and ERCP as well as management of all gastrointestinal conditions, with a special interest in hepatobiliary disease. He is a lifelong learner and constantly pursuing self-improvement, and he recently trained in endoscopic submucosal dissection (ESD). Dr. Bajaj takes an interest in medical education and is an Assistant Clinical Professor at both the University of Illinois at Chicago College of Medicine and The Chicago Medical School at Rosalind Franklin University of Medicine and Science. His practice philosophy involves taking care of each patient as a unique individual using the biopsychosocial model of medicine. He has been practicing since 1993.

Outside of medicine, he enjoys travel, core conditioning, and spending time with his wife and his two children, both of whom chose a career in medicine after being inspired by his example.

Office Locations

Southwest Gastroenterology – Oak Brook

At Southwest Gastroenterology – Oak Brook, we are proud to provide premier gastroenterology services in the Oakbrook Terrace area. Our highly skilled and experienced team of doctors is dedicated to offering top-tier digestive health care, ensuring personalized treatments for every patient. From preventive care to advanced procedures, we use the latest technology to deliver the best outcomes, making us the trusted choice for gastroenterology in the region.

Southwest Gastroenterology – Oak Lawn

At Southwest Gastroenterology – Oak Lawn, we are dedicated to being the leading provider of digestive health care in the Oak Lawn community. Our highly experienced and respected team of specialists is committed to delivering the highest quality treatments for a wide range of gastroenterological conditions. Using advanced technology and a personalized approach, we ensure that each patient receives exceptional care, tailored to their unique needs. Your health and well-being are our top priorities.