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Exceptional Care from Initial Consultation
Through Your Entire Weight Loss Journey

Advanced Bariatrics is a specialty practice within Advanced Surgical Care of Northern Illinois.

Led by two fellowship-trained weight loss surgery specialists, Dr. John Cheregi and Dr. Hsin-Yi Chang, Advanced Bariatrics was created to help people struggling with obesity confront their challenges and discover a happier, healthier way of living.

For many people, obesity is a chronic condition that requires medical intervention. At Advanced Bariatrics, we are committed to providing a judgment-free environment. We work closely with our patients to develop a treatment plan that will redefine what the future looks like.

The collaborative approach used by Dr. Chang and Dr. Cheregi is designed to help our patients identify the plan and procedure that will help them achieve success. Our doctors are passionate about being there every step of the way during what becomes a life-changing journey for most of our patients.

Exceptional Experience and Training

We use the most advanced techniques and technologies available in medicine today at Advanced Bariatrics. Our bariatrics experts are highly trained surgeons who have performed thousands of minimally invasive and weight loss procedures. For the most complex procedures, Dr. Chang and Dr. Cheregi work side by side in the operating room to ensure the best possible outcomes. Visit our bariatric weight loss surgery website to learn more about Advanced Bariatrics.

Meet Our Bariatric Surgeons