Overview
Ziga Tretjak is a Gastroenterologist in Richland, Washington. Dr. Tretjak is rated as an Experienced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Watermelon Stomach, Endoscopy, and Gastrectomy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
Locations
Charles Hames is a Gastroenterologist in Richland, Washington. Dr. Hames is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Mallory-Weiss Syndrome, Esophagitis, Gastrectomy, and Colonoscopy. Dr. Hames is currently accepting new patients.
Randy Geldmacher is a Gastroenterologist in Richland, Washington. Dr. Geldmacher is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Colitis, Necrotizing Enterocolitis, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy. Dr. Geldmacher is currently accepting new patients.
Rcch Trios Health LLC
Ningxin Zeng is a Gastroenterologist in Kennewick, Washington. Dr. Zeng has been practicing medicine for over 43 years and is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Trichohepatoenteric Syndrome, Angiodysplasia of the Colon, Heartburn, Endoscopy, and Colonoscopy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Angiodysplasia of the ColonDr. Tretjak isExperienced. Learn about Angiodysplasia of the Colon.
- ColonoscopyDr. Tretjak isExperienced. Learn about Colonoscopy.
- EndoscopyDr. Tretjak isExperienced. Learn about Endoscopy.
- GastrectomyDr. Tretjak isExperienced. Learn about Gastrectomy.
- Gastrointestinal BleedingDr. Tretjak isExperienced. Learn about Gastrointestinal Bleeding.
- GastrostomyDr. Tretjak isExperienced. Learn about Gastrostomy.