Dr. Mark B. Potter

Kalyan Kanneganti, MD, is a board-certified gastroenterologist who is skilled in all areas of adult general gastroenterology and hepatology, with special medical interest in colonoscopy for colon cancer screening and the management of GI bleeding, viral hepatitis, complex liver diseases and GERD.Dr. Kanneganti focuses on providing holistic, compassionate and patient-centered care. He strives to help patients understand their disease process and involve them in shared decision making.Dr. Kanneganti is a member of the American College of Gastroenterology, American Gastroenterological Association and American Society of Gastrointestinal Endoscopy. Dr. Kanneganti is rated as a Distinguished provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy.

Sangik Oh, MD, is a board-certified gastroenterologist with fellowship training in gastroenterology. Dr. Oh served as Chief Medical Resident during his internal medicine residency. During his gastroenterology fellowship, he also earned his Master's degree in Medical Science from Harvard Medical School. He was also the recipient of the 2002 AASLD/Schering Advanced Hepatology Fellowship Award.Upon completion of his fellowship, Dr. Oh joined the faculty at Harvard Medical School and was a staff gastroenterologist at Beth Israel Deaconess Medical Center before joining Tacoma Digestive Disease Center in 2005, which is now Franciscan Digestive Care Associates. Dr. Oh is rated as a Distinguished provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Visceromegaly, Enlarged Liver, Non-Alcoholic Fatty Liver Disease, Cirrhosis, and Endoscopy.

William Hirota, MD has a sincere desire to work closely with his colleagues and patients to provide the highest quality of GI care in a compassionate and timely fashion.He is actively involved in physician leadership development, public policy regarding health care delivery, local community charity care and participating in improving quality care measurements in GI. Dr. Hirota is rated as a Distinguished provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Crohn's Disease, Barrett Esophagus, Familial Adenomatous Polyposis, and Indigestion.