Gastrointestinal and General Surgery Research

Sandy Fang, M.D.

Dr. Sandy Fang

Title: Associate Professor of Surgery

Research Focus: Colorectal Cancer, Anal Cancer (HRA), Surgical Outcomes, Quality improvement and innovative surgical techniques

Erin Gilbert, M.D., M.C.R.

Dr. Erin Gilbert

Title: Associate Professor of Surgery

Research Focus: Pancreatic Disease, Surgical Outcomes, HIPEC research and early detection research

Daniel Herzig, M.D.

Dr. Daniel Herzig

Title: Professor of Surgery

Research Focus: Colorectal Cancer Outcomes, Colorectal Cancer Syndromes and Surgical device trials

Robert Martindale, M.D., Ph.D.

Dr. Robert Martindale

Title: Professor of Surgery

Research Focus: Hernia research, surgical nutrition and metabolism and surgical outcomes

Current projects:

  • Feeding blenderized food to ICU patients

OHSU Profile

Vahagn Nikolian, M.D.

Vahagn Nikolian

Title: Assistant Professor of Surgery

Research Focus: Hernia outcomes research, telemedicine research and access to digital health, resident education and quality improvement

Sean Orenstein, M.D.

Dr. Sean Orenstein

Title: Associate Professor of Surgery

Research Focus: Hernia outcomes and technique research, device trials, quality improvement and telemedicine research

Alia Qureshi, M.D.

Dr. Alia Qureshi

Title: Associate Professor of Surgery

Research Focus: Esophageal and Gastric Cancer, Barrett's esophagus and innovative surgical techniques/devices

Brett Sheppard, M.D.

Dr. Brett Sheppard

Title: Professor of Surgery; William E. Colson Chair of Pancreatic Disease Research; Vice Chair for Quality and Clinical Operations

Research Focus: Pancreatic cancer, surgical outcomes, early detection and improved therapies for pancreatic cancer

Liana Tsikitis, M.D., M.C.R., M.B.A.

Dr. Liana Tsikitis

Title: Professor and Division Head of Gastrointestinal and General Surgery

Research Focus: Colorectal Cancer (early onset and outcomes research), Microbiome, and Diversity, Equity and Inclusion

Stephanie Wood, M.D.

Dr. Stephanie Wood

Title: Assistant Professor of Surgery

Research Focus: Esophageal Cancer, Achalasia and Bariatric surgery, telemedicine research, and surgical outcomes research

Patrick Worth, M.D.

Dr. Patrick Worth

Title: Assistant Professor of Surgery

Research Focus: Pancreatic Cancer, Bile Duct and Liver research, Pancreatic cancer recurrence and metastasis, surgical outcomes and early detection