Who We Are

Our Physicians

All our physicians are double-board certified in colon and rectal surgery and general surgery.

A team approach to patient care means patients can access a surgeon during regular work hours, evenings, and weekends. This also means a specialist is always on call to meet your needs.

John Park, MD, FACS, FASCRS

John Park, MD

Slawomir Marecik, MD, FACS, FASCRS

Slawomir Marecik, MD

Kunal Kochar, MD

Kunal Kochar, MD

Our History

Our practice was founded in 1986 by the late Dr. Leela Prasad, a pioneer in complex colorectal surgery in the Chicago area and, later, in robotics in the colorectal field. Today our group is proud to serve patients throughout Chicagoland, Northern Illinois, Northern Indiana, and Southern Wisconsin. Our physicians are widely respected by colleagues locally, nationally, and internationally. In addition, all three physicians proudly hold academic positions at major Chicago universities.

Our Mission

We strive to offer a comprehensive range of colon, rectal, and anal surgery services and the highest level of medical care by combining surgical expertise with state-of-the-art technologies. We address each patient’s needs and demands using a patient-centered, compassionate approach to care.

We value your time. It is our privilege to take care of you.

Our Staff

Our office is staffed with highly committed professionals who are dedicated to being of service to our patients. They go above and beyond to ensure your experience is as easy and positive as possible.

Feel free to say hello to each of our friendly staff members: