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Narendra Siddaiah, M.D.

Effective December 1, 2026, the physicians and staff of the Silverdale location will no longer practice with Washington Gastroenterology. Washington Gastroenterology will continue to serve as the custodian of medical records for patients seen at WAGI Silverdale and shall maintain your records for the period required by applicable law. You may request a copy of your records in hard copy or electronic format or ask that they be sent to a provider of your choosing. To request or transfer your records, please call our office at 360-479-1952, or login to the WAGI patient portal, or visit the Silverdale clinic at 3261 Northwest Mount Vintage Way, Silverdale, WA 98383. If you have any other questions about this transition, please call our office at 360-479-1952.

Dr. Siddaiah graduated from Bangalore University, India, completed Internal Medicine residency at St. Francis Hospital, Evanston, Illinois and Gastroenterology Fellowship at the University of Mississippi in 2006. Dr. Siddaiah has graduate education in microbiology and cellular immunology, practice experience in Internal Medicine, Critical care, and Emergency Medicine and was a Hepatology research fellow at the University of Washington.

He has several publications in peer reviewed journals, has written a textbook chapter, has received research awards during fellowship and teaching experience. Dr. Siddaiah has advanced training in therapeutic endoscopy and specializes in evaluation of gastrointestinal cancer (esophagus, stomach, pancreas, liver, colon and rectum), evaluation and treatment of viral metabolic and autoimmune liver disorders and immune system disorders affecting the gastrointestinal tract (Crohn’s disease, ulcerative colitis, Celiac disease, Eosinophilic esophagitis).

Dr. Siddaiah’s practice includes general and advanced gasterenterology, including endoscopy and colonoscopy. He is particularly interested and skilled in advanced therapeutic endoscopic procedures including ERCP, spyglass cholangioscopy, endoscopic stent placement and in removal of large polyps from the colon. He is the only gastroenterologist performing Endoscopic Ultrasound in the Kitsap Peninsula.

Dr. Siddaiah is married and lives with his wife and children in Silverdale, WA. He is fluent in English and several East Indian languages. His interests include distance running, hiking, woodworking, reading.

Locations

Bainbridge Island Clinic

1344 Wintergreen Lane Northeast
Suite 200
Bainbridge Island, WA 98110

Phone: 360-479-1952
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