Dr. Joseph F. Meyer

Kevin Andrews is a primary care provider, practicing in Internal Medicine in Walla Walla, Washington. Dr. Andrews is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Small Cell Lung Cancer (SCLC), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension. Dr. Andrews is currently accepting new patients.

Dr. Amber Charoen is a board-certified specialist in internal medicine and gastroenterology. She completed medical school at Rangsit University in Thailand with First Class Honors and Valedictorian.Her commitment to excellence continued with residency training in internal medicine at the MetroWest Medical Center/Tufts University School of Medicine in Framingham, Massachusetts. Following this, she pursued a fellowship in gastroenterology at the Rhode Island Hospital/Brown University in Providence, Rhode Island. She received an Exemplary Teaching award from Brown University and is the 2022 recipient of the Joseph A. DiMase Brown University Gastroenterology Research Award.Before joining Gastro Health of Tri-Cities, Dr. Charoen served as an Assistant Professor of Medicine at The Johns Hopkins University School of Medicine. Her clinical expertise spans GI upper endoscopy, colonoscopy screening, capsule endoscopy and Women’s digestive health. Dr. Charoen was trained in one of only few centers in US that provide training in Women’s Gastrointestinal Medicine, focusing on gastroenterological issues unique to women. Dr. Charoen has contributed significantly to the field, publishing research on a diverse array of GI topics, including GI bleeding, nutrition, liver disease, pancreatitis, esophageal disease, celiac disease, and inflammatory bowel disease and presented at national and international conferences. During her fellowship training, she also served as the associate editor of the ACG Case Reports Journal.Dr. Charoen's patient-centered approach to care is characterized by a team-oriented, goal-directed, and compassionate ethos. She prioritizes active listening and collaborates closely with her patients to formulate personalized treatment plans.In his spare time, Dr. Charoen enjoys spending time with her family and her dog. Dr. Charoen is rated as an Experienced provider by MediFind in the treatment of Viral Gastroenteritis. Her top areas of expertise are Colonic Malakoplakia, Childhood Volvulus, Portal Hypertension, Indigestion, and Endoscopy.

Benjamin Leach is a primary care provider, practicing in Internal Medicine in Walla Walla, Washington. Dr. Leach is rated as an Advanced provider by MediFind in the treatment of Viral Gastroenteritis. His top areas of expertise are Mallory-Weiss Syndrome, Sepsis, Pneumonia, Colonoscopy, and Endoscopy. Dr. Leach is currently accepting new patients.