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Services

Digestive Disease Treatment

Including the esophagus, stomach, small intestine, large intestine, gallbladder and liver

Colorectal Cancer Screening

Preventive care is one of the best safeguards against colon cancer.

Inflammatory Bowel Disease

Inflammatory bowel disease is more common than most people realize – checkups are always a good idea!

Dr. Ona is an expert of the digestive system and related organs. He treats conditions that affect your stomach, pancreas, liver, gallbladder, intestines and colon.

Many of the conditions and diseases that affect your digestive system have similar symptoms but different causes. These conditions can be complicated and challenging to diagnose, so Dr. Ona’s practice uses state-of-the-art imaging and technology to assist their clinical expertise.

Sean Gabriel
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I’ve already had two procedures with Dr. Mel Ona. His staff Nona and Victoria are always attentive and follow through on my requests and questions. Dr. Ona is very personable and very easy to talk to, always asking if I have any additional questions or concerns. He always made me feel comfortable and confident that the procedure will go well. My procedures were both seamless and easy due to his expert knowledge and experience making it a no brainer for all my future procedures. Thank you Dr Mel Ona and Ohana Edoscopy for helping me live longer.
Carlton H.
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Dr. Mel Ona and his staff provides Best-In-Class GI services without making you feel uncomfortable with discussing any concerns you may have. He's very understanding and always have useful treatment recommendations or accommodations. I'm very grateful for his diagnosis and follow up assessments. Highly suggest you consider scheduling your next appointment with him, rest assured you'll be taken great care of promptly.
Matthew A.
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Highly recommend for all your GI needs! Dr. Ona & his staff provide 5 star medical care from check in to check out! I had an upper endoscopy where a scope is inserted in the mouth to check the esophagus, stomach, & small intestine. My anxiety before the procedure was minimal because of all the care & attention I received. After the procedure I felt fine except for a sore throat which is normal. They really live up to their name by treating their patients like Ohana!
Wina D.
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"Dr. Ona is one the BEST doctors I’ve ever met. He made me feel comfortable and explained to me everything that I need to know. I would recommend him to my friends and family. Thank you Dr. Ona. Have a blessed day!"
Michael B.
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"Dr. Ona was professional and extremely patient oriented. He took the time to listen and asked the right questions . My tests and procedures were stress free and painless."
Nancy H.
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"Had a great experience with this office. The staff are helpful and caring. Dr. Ona takes time to explain procedures and tests results. He is very supportive and will take time to answer any questions you may have. Would highly recommend."
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Books by Dr. Ona

“I am a Gastroenterologist, Internal Medicine board certified physician, and an assistant clinical professor at JABSOM. I offer a holistic approach to your health and wellness.”

– Dr. Mel Ona