Our Gastroenterologists provide a wide range of services to diagnose and treat GI conditions in both men and women. A few conditions treated include the following:
- abdominal pain
- GERD
- pancreatis
- viral hepatitis
- liver disease
- gallstone and biliary diseases
- colon cancer screening and prevention
- diverticulitis
- GI bleeding
- inflammatory bowel disease, and anemia.
Our Providers
Rob Allen
MD
Ryan S. Nolan
MD
Dr. Nolan is a board-certified general surgeon with fellowship training in advanced minimally invasive and robotic techniques. He is proficient with the DaVinci robot and other minimally invasive techniques to perform complex surgeries, including hernia repairs, colorectal surgery, upper GI procedures, and bariatric surgery. He earned his medical degree from the Keck School of Medicine at the University of Southern California and completed his general surgery residency at Cooper University Hospital in Camden, N.J., along with a fellowship in advanced minimally invasive surgery at Alta Bates Summit Medical Center in Oakland.
Luke Bi
MD
Gastroenterology Dr. Luke Bi is ABIM-certified in Gastroenterology and Hepatology. He has extensive experience providing advanced Gastroenterology care. Dr. Bi completed his undergraduate degree at the University of California, Berkeley, and earned his medical degree from the University of California Irvine College of Medicine. He completed his Internal Medicine Internship at Santa Clara Valley Medical Center and his residency at UCLA’s San Fernando Valley Program. He finished his Gastroenterology and Hepatology Fellowship at UC Irvine College of Medicine. Dr. Bi also serves as an Assistant Professor of Medicine at Touro University College of Osteopathic Medicine in Vallejo, CA.
