Dr. John S. Visger

Juan Parra-Valencia is a General Surgeon in Colfax, Washington. Dr. Parra-Valencia is rated as an Advanced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Acute Pancreatitis, Familial Colorectal Cancer, Hernia, Gallbladder Disease, and Hernia Surgery. Dr. Parra-Valencia is currently accepting new patients.

Nancy Panko is a General Surgeon in Pullman, Washington. Dr. Panko is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Hernia, Umbilical Hernia, Gallbladder Disease, Gallstones, and Sleeve Gastrectomy. Dr. Panko is currently accepting new patients.

Since beginning practice in 1999, Dr. Anderson’s specialties have encompassed everything from acute care, trauma surgery at Idaho’s largest trauma center, colorectal, endocrine, endoscopy as well as minimally invasive techniques for surgeries including hernia, upper GI and reflux disease. He comes to Moscow from Idaho’s Treasure Valley, where he held admitting privileges with both major Boise-area hospital systems—St. Alphonsus Regional Medical Center and St. Luke’s Boise Medical Center.His appointment at Gritman is a return to Moscow for Dr. Anderson, who received his bachelor’s degree from the University of Idaho before attending medical school at the University of Arizona and a general surgery residency at Michigan State University. Dr. Anderson enjoys spending time with his wife and three cats, mountain biking, running, open-water swimming, XTERRA racing and snow skiing. Dr. Anderson is rated as an Advanced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Hernia, Femoral Hernia, Umbilical Hernia, Hiatal Hernia, and Splenectomy.