Digestive Disease and Endoscopy Center, PLLC is a licensed and registered Gastroenterology specialty center. Dr. Pankaj Sharma founded our practice in 1982, the first board certified gastroenterologist to practice in Kitsap, Jefferson, and Mason Counties. Dr. Yuen San Yee joined the practice in 1991 and Dr. Narendra Siddaiah joined in 2009. All our physicians have advanced Fellowship training and board certification in Gastroenterology and we have a great combination of clinical experience and current knowledge and training. We moved from our Bremerton, WA location of 26 years to our current location in Silverdale, WA in 2011.

Practice principles

We have and will always place our patients first. We are committed to provide the highest level of medical care with compassion, empathy and emotional support, backed by current medical evidence and technology. We provide detailed medical information and recommendations while encouraging our patients to be actively involved in all their health care decisions.

Our practice is divided between caring for our patients in the clinic and the endoscopy center. Almost all the patients undergoing procedures at the endoscopy center would already be evaluated in our consultation clinic. The one exception to this is patients undergoing ‘open access’ screening colonoscopy. In addition, our physicians provide the majority of the in-hospital (Harrison Medical Center, Bremerton and Silverdale) gastroenterology consultation and advanced therapeutic procedural care.

Dr. Pankaj Sharma

Dr. Sharma is the founding member (1982) and continues an active medical practice. He graduated in 1972 from Gajara Raja Medical College, Gwalior, India, followed by Internship. He completed Internal Medicine Residency in Chicago, Illinois and Gastroenterology Fellowship at the University of Washington, Seattle and at the Fred Hutchinson Cancer Care and research center, Seattle, WA. During this time, he published several research papers in Gastroenterology and Bone Marrow transplantation.

Dr. Yuen San Yee

Dr. Yuen San Yee graduated from the Southern Illinois University School of Medicine in 1983. He also completed a residency in Internal Medicine at the Southern Illinois University Hospitals in 1986. Dr. Yee received advanced fellowship training in Gastroenterology with a focus in Therapeutic Endoscopy, Heptology, and Liver Transplantation at the Medical College of Virginia in 1989. He served as Clinical Professor in Richmond until 1991, when he started his private practice in Bremerton.

Dr. Naren Siddaiah

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.



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