Skip to Main Content

Ian S. Soriano


Gastrointestinal surgeon
Quality improvement champion and recreational road cyclist

Dr. Ian S. Soriano is a general and gastrointestinal surgeon who specializes in minimally invasive techniques, such as laparoscopic and robotic surgery. He cares for patients with hernias, gastroesophageal reflux disease and diseases of the stomach, small intestine, gallbladder and appendix. As a member of the acute care surgery team, he also sees patients who need emergency surgery.

Soriano's research focuses on improving patient outcomes using laparoscopic and robotic surgical techniques. He also studies ways to reduce complications in patients undergoing gastrointestinal surgery.

After earning his undergraduate degree and medical degree through a combined program at the University of the Philippines, Soriano completed a residency in general surgery at Einstein Medical Center Philadelphia. He completed a fellowship in minimally invasive surgery at Cleveland Clinic Florida. Prior to joining UCSF, he was chief of gastrointestinal surgery at Pennsylvania Hospital and an associate professor of clinical surgery at Penn Medicine.

Soriano is a fellow of the American College of Surgeons and American Society for Metabolic and Bariatric Surgery. He serves on the editorial board of the journal Surgery for Obesity and Related Diseases and on numerous committees of national organizations related to robotic and laparoscopic surgery. He also serves as UCSF's surgeon champion for the American College of Surgeons' quality improvement program, which involves collecting data to reduce surgical complications across the U.S.

Since immigrating to the U.S. from the Philippines, Soriano has collaborated with Philippine medical schools and organizations to improve the country's surgical care. In recognition of his efforts, he was named an honorary fellow of the Philippine College of Surgeons and Philippine Association of Laparoscopic and Endoscopic Surgeons.

  • Education

    University of the Philippines, MD, 1997

  • Residencies

    Einstein Medical Center, General Surgery, 2006

  • Fellowships

    Cleveland Clinic, Minimally Invasive Surgery, 2007

  • Academic Title

    Associate Professor