Dr. Mel Ona’s Ohana Gastroenterology and Ohana Endoscopy provide digestive health care in Kapolei, Hawaii. Dr. Ona is a gastroenterologist and board-certified internal medicine physician, as well as an assistant clinical professor at JABSOM. His practice emphasizes a holistic approach to health and wellness, combining clinical expertise with advanced imaging and technology to help evaluate complex digestive conditions.

Services include diagnosis and treatment of diseases affecting the esophagus, stomach, small and large intestines, pancreas, liver, and gallbladder. The practice also offers colorectal cancer screening and care for inflammatory bowel disease. Endoscopy services support assessment and treatment, with patient testimonials highlighting clear explanations, attentive staff, and a supportive experience.

The organization provides appointments, telemedicine, a patient portal, and multiple locations. Dr. Ona also shares health and career guidance through books, including Tips for Thriving on the Internal Medicine Wards, 101 Tips for Thriving as a Chief Resident, and Fail It Till You Make It.