Ningxin Zeng is a Gastroenterologist in Kennewick, Washington. Dr. Zeng has been practicing medicine for over 43 years is highly rated in 24 conditions, according to our data. His top areas of expertise are Trichohepatoenteric Syndrome, Angiodysplasia of the Colon, Heartburn, Endoscopy, and Colonoscopy.

Sittilerk Trikalsaransukh is a Gastroenterologist in Kennewick, Washington. Dr. Trikalsaransukh is highly rated in 21 conditions, according to our data. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrostomy.

Pornchai Leelasinjaroen is a Gastroenterologist in Kennewick, Washington. Dr. Leelasinjaroen has been practicing medicine for over 17 years is highly rated in 20 conditions, according to our data. His top areas of expertise are Ulcerative Colitis, Familial Adenomatous Polyposis, Gardner Syndrome, Gastrectomy, and Colonoscopy.

Dr. Boonpongmanee brings extensive expertise in diagnosing and managing a diverse range of gastrointestinal conditions. His areas of focus include colon cancer, non-surgical hemorrhoid treatment, swallowing difficulties, acid reflux, rectal bleeding, abdominal pain, ulcerative colitis, Crohns disease, constipation, diarrhea, microscopic colitis, eosinophilic esophagitis, and esophageal cancer. Committed to advancing medical care, he integrates the latest technologies and evidence-based treatments into his practice. Moreover, he prioritizes cost-effective solutions, ensuring high-quality care while addressing the financial challenges of modern healthcare.   Dr. Boonpongmanees dedication to his field has earned him multiple accolades, including being a two-time recipient of the Mid-Columbia Small Business Award. These achievements highlight his commitment to clinical excellence and the positive impact he has made in his community. Under his leadership, his endoscopy center has earned national recognition, including a prestigious ranking by *U.S. News & World Report* as one of the best ambulatory surgery centers in the country.   In addition to patient care, Dr. Boonpongmanee actively trains medical students, sharing his expertise and inspiring future healthcare professionals. By combining advanced medical knowledge, compassionate care, and innovative approaches, Dr. Boonpongmanee continues to earn the trust and confidence of his patients. Dr. Boonpongmanee Dr Boon is highly rated in 10 conditions, according to our data. His top areas of expertise are Morning Sickness, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.

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 highly rated in 1 condition, according to our data. Her top areas of expertise are Colonic Malakoplakia, Childhood Volvulus, Portal Hypertension, Indigestion, and Endoscopy.

Randy Geldmacher is a Gastroenterologist in Richland, Washington. Dr. Geldmacher is highly rated in 22 conditions, according to our data. His top areas of expertise are Colitis, Necrotizing Enterocolitis, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy. Dr. Geldmacher is currently accepting new patients.

Peter Maher is a Gastroenterologist in Richland, Washington. Dr. Maher is highly rated in 19 conditions, according to our data. His top areas of expertise are Necrotizing Enterocolitis, Esophagitis, Colorectal Cancer, Endoscopy, and Colonoscopy. Dr. Maher is currently accepting new patients.

John Roach is a Gastroenterologist in Kennewick, Washington. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Esophagitis, Barrett Esophagus, and Diverticular Disease.

Siew Wong is a Gastroenterologist in Kennewick, Washington. Dr. Wong is highly rated in 12 conditions, according to our data. Her top areas of expertise are Esophagitis, Familial Adenomatous Polyposis, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Wong is currently accepting new patients.

Charles Hames is a Gastroenterologist in Richland, Washington. Dr. Hames is highly rated in 8 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Mallory-Weiss Syndrome, Esophagitis, Gastrectomy, and Colonoscopy. Dr. Hames is currently accepting new patients.

Gary Belcaster is a Gastroenterologist in Pasco, Washington. Dr. Belcaster is highly rated in 6 conditions, according to our data. His top areas of expertise are Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Hoyeol Yang is a Gastroenterologist in Richland, Washington. Dr. Yang is highly rated in 4 conditions, according to our data. His top areas of expertise are Familial Colorectal Cancer, Esophagitis, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Yang is currently accepting new patients.

Janak Bahirwani is a Gastroenterologist in Richland, Washington. Dr. Bahirwani is highly rated in 3 conditions, according to our data. His top areas of expertise are Hemorrhoids, Choledocholithiasis, Whipple Disease, Endoscopy, and Colonoscopy.

Nazar Hafiz is a Gastroenterologist in Richland, Washington. Dr. Hafiz has been practicing medicine for over 9 years is highly rated in 1 condition, according to our data. His top areas of expertise are Gastroparesis, Gastroesophageal Reflux Disease (GERD), Achalasia, Gastrectomy, and Endoscopy. Dr. Hafiz is currently accepting new patients.

Todd La Rock is a Gastroenterologist in Richland, Washington. Dr. La Rock is highly rated in 1 condition, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Diverticular Disease, Endoscopy, and Colonoscopy. Dr. La Rock is currently accepting new patients.

Suresh Philip is a Gastroenterologist in Kennewick, Washington. His top areas of expertise are Hemorrhoids, Hiatal Hernia, Congenital Diaphragmatic Hernia, and Familial Adenomatous Polyposis.

Ziga Tretjak is a Gastroenterologist in Richland, Washington. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Watermelon Stomach, Endoscopy, and Gastrectomy.