Welcome to Northwestern Surgical Associates
Northwestern Surgical Associates (NSA) was a multispecialty surgical practice affiliated with Northwestern Memorial Hospital and Northwestern University’s Feinberg School of Medicine. Our surgeons had been in practice at and have been on the teaching faculty of Northwestern Memorial Hospital for over 50 years. NSA surgeons have repeatedly been named “Top Doctors” by Castle-Connolly, Chicago Magazine, and other professional organizations. Dr. Jeffrey S Fronza continues this tradition of excellence in his practice at Northwestern Medicine Central DuPage Hospital.
Dr. Jeffrey S Fronza continues to focus on the individual patient whose well- being guides all decisions. This results in an expedited work-up and treatment of your surgical condition. He believes that an educated and empowered patient is the best partner in this process. Patients are treated with the same respect and compassion as a member of his own family. His staff prides itself on providing professional, personalized, and prompt service. He is highly visible and intensely involved in his patient’s care from the preoperative consultation through postoperative visits.
Dr. Jeffrey S. Fronza
Advanced Gastrointestinal, Bariatric, & Hernia Surgeon
Dr. Fronza provides succinct explanations of common and complex gastrointestinal problems. He believes that a warm bedside manner sets the tone for a productive doctor/patient relationship. He enjoys working with patients to determine an individualized care plan, and then actualizing that plan during the perioperative period. As a surgeon, Dr. Fronza achieves superior functional and oncologic results by utilizing advanced surgical techniques. This intense focus on technique has resulted in Dr. Fronza being a pioneer in LINX and mesh free, natural tissue hernia repair in Illinois.
What Our Patients Are Saying
After months of dealing with reflux and a large hiatal hernia, I sought Dr. Fronza for a second opinion. From the first visit, it was obvious that he had extensive ...
After being diagnosed with an inguinal hernia, I was anxious about surgery and had countless questions. Dr. Fronza never made me feel rushed. He carefully explained every repair option, what ...
Patients see Dr. Jeffrey Fronza as a highly skilled gastrointestinal and hernia surgeon who combines exceptional technical expertise with unusually clear communication, genuine compassion, and the ability to make even ...
Our Practice
NSA has clinical expertise in complex gastrointestinal disorders and cancer, abdominal wall hernias, bariatric surgery, colorectal surgery, robotic surgery, and surgical oncology. Dr. Jeffrey S Fronza utilizes minimally - invasive and other advanced surgical approaches. This allows his patients to resume normal activity in the shortest time possible, while maintaining superior cosmetic, functional, and oncologic outcomes. See the services he offers.
NSA has earned and maintained a reputation in the Midwest fo r treating complex surgical diseases and welcomes patients seeking a thoughtful opinion. Dr. Jeffrey S Fronza works closely with your local physician to ensure seamless care across health systems and states.



