Constantine T. Frantzides

Bariatric Surgeon
Rating: 5.0 out of 5 with 558 ratings

Constantine T. Frantzides Bariatric Surgeon M.D., PhD, F.A.C.S.

Constantine T. Frantzides's Photo

23 yr Experience

19 yr in Bariatrics

21 yr in Laparoscopic Surgery

14 yr in Laparoscopic Bariatrics

70% Practice is Bariatrics

Min Age of Patient is 15

Max Age of Patient is 70+

  • About Me

    Dr. Frantzides is the Director of the Chicago Institute of Minimally Invasive Surgery; Director of the Laparoscopic and Bariatric Fellowship Program at St. Francis Hospital and professor of surgery at University of Illinois in Chicago. He operates at St. Francis Hospital, and Evanston Hospital in Evanston. He is recognized worldwide as an expert in the field of laparoscopic surgery and is a charter member of the United States Laparoscopic Founders Society.

    His experience in laparoscopic gastrointestinal surgery is one of the most extensive in the United States. Dr. Frantzides created the Minimally Invasive Surgery Center at the Medical College of Wisconsin in Milwaukee and was the Director of the center from 1995-1997. Dr. Frantzides has served as the Director of the Minimally Invasive Surgery Center and professor of surgery at the University of Chicago from 1997 to 2000. He was also the Chairman of the Department of Surgery at Weiss Memorial Hospital from 1997-2000. Dr. Frantzides was the Director of Minimally Invasive Surgery at Rush-Presbyterian-St. Luke's Medical Center in Chicago and professor of surgery at Rush University. He was also the director of Minimally Invasive Surgery (2003-2006) and director of the Minimally Invasive Surgery Fellowship Program (2003-2008) at Northshore University Health System (previously known as Evanston Northwestern Healthcare). Under his Directorship, and because of his high volume of procedures and excellent outcomes Evanston Northwestern Healthcare was named a "Center Of Excellence" by the American College of Surgeons. In addition Dr. Frantzides was Professor of Surgery at Northwestern University from 2004-2009. 

    He has traveled internationally to perform and teach laparoscopic procedures. In recognition of his efforts in teaching advanced laparoscopic techniques, he was named Honorary member of the Brazilian Society of Surgery (Colegio Brasileiro de Cirurgia Digestiva), the Hellenic Surgical Association, and the Greek Laparoscopic Society. During the last 19 years, he has organized 31 laparoscopic courses through which 331 surgeons were trained in laparoscopic surgery. He has created the first laparoscopic fellowship program in the United States (1995) for training young surgeons in the art of minimally invasive surgery. Dr. Frantzides is a member of numerous professional societies and has been the recipient of several awards and honors as well as grants from the National Institutes of Health (NIH) and from the surgical industry. Dr. Frantzides has made more than 200 contributions to the medical literature and has written threebooks on laparoscopic surgery. He was the first in the world to introduce and perform 14 different laparoscopic procedures. He has worked extensively on the laparoscopic management of Gastro- Esophageal Reflux disease and Hiatal Hernia, Incisional Hernia, treatment of esophageal achalasia and the laparoscopic treatment of benign and malignant diseases of the colon. Dr. Frantzides has extensively published in peer reviewed medical journals on the above mentioned ailments and other diseases managed in a minimally invasive approach. He performed the fist in the world prospective randomized trial of laparoscopic mesh repair of large hiatal hernias (Archives of Surgery 2002) and he introduced “The Frantzides Technique” for the treatment of esophageal high grade dysplasia and Barrett’s esophagus (American Journal of Surgery 2010).  He developed a new safer technique for the laparoscopic gastric bypass ("Triple Stapling Technique" Archives of Surgery, 2003.) Dr. Frantzides was the first surgeon to define and publish the importance of preserving the Vagus nerve during a gastric bypass for avoidance of the dumping syndrome (Obesity Surgery 2011). He is credited with inventing two surgical instruments used in laparoscopic surgery. In recognition of his academic activities in laparoscopic surgery as well as his surgical skills he was given the "Achievement award for advanced laparoscopic surgery" by the American Society of General Surgeons. He was named in 2007 & 2008 America's Top Surgeon and in 2010 &2011 as the Most Compassionate Doctor by the Consumers' Research Council of America. In 2010, 2011, and 2012 he was named "America's Top Doctor" by the acclaimed Castle Connolly Medical Guide. He was also named  "Top Doctor" in 2012 by the Chicago Magazine, and the US News and World Report for 2011and 2012. 

    For complete Curriculum Vitae please visit

    ** Some of the images may be graphic for some viewers **

    ObesityHelp Contributing Author

    Laparoscopic Revision Surgery of Failed Bariatric Procedures
    Dumping Syndrome: What You Need to Know

  • Latest Reviews See all 558 reviews
    avatar lala_teach on Aug. 1, 2018

    Dr. Frantzides has completely changed my life, for the positive, three times! He performed laparoscopic gastric bypass on me, which helped me lose over 100 pounds. Minimal pain, maximum results and guided me through every step of the process. He even told me the questions More...

    avatar Mstanyaluvsu1 on July 23, 2018

    Dr. Frantzides is extremely knowledgeable in the field of Laproscopic Surgery and has written medical journals and is a published successful author in the field of Minimally Invasive Surgery. His skill, professional demeanor, and authentic bedside manner make him an excellent choice for your consideration More...

    avatar Salazar99 on Jan. 30, 2018

    Dr. Frantzides is as good as they get. He’s incredibly experienced and knowledgeable. A pioneer in laparoscopic surgery, he literally “wrote the book” on gastric bypass procedures. I also appreciate his compassion. When I was contemplating surgery, he took almost 2 hours to answer More...

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