William E. Karnes, MD

9 reviews

101 The City Dr S Bldg 22C

Orange, CA 92868

https://www.ucihealth.org

Dr. William E. Karnes is a board-certified UCI Health gastroenterologist who specializes in disorders of the gastrointestinal tract, including colorectal cancer screening, gastrointestinal reflux disease (GERD), swallowing disorders, irritable bowel syndrome, peptic ulcers and esophageal disorders. He performs colonoscopies, upper endoscopies and capsule endoscopies, and treats gastrointestinal bleeding, chronic diarrhea, constipation, bloating and bacterial problems in the small intestines. Karnes earned his medical degree from the University of Minnesota Medical School in Minneapolis, where he completed a residency in internal medicine. He went on to complete a fellowship in molecular biology at Mayo Clinic in Rochester, Minn., and a fellowship in gastroenterology at the University of California, Los Angeles. His research interests include colon cancer screening, risk assessment for colon cancer and artificial intelligence-assisted colonoscopy. He also conducts translational research on colon cancer prevention, with an emphasis on regular colorectal screening, especially among patients and families with a genetic risk for developing the disease.

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Reviews

4.09 reviews

Chad B.

1/1/2025

Absolutely great doctor and great staff. He takes his time to explain everything to me.

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David B.

2/10/2024

Great Dr! Highly recommend him for all your gastro needs and services!! Great bedside manner and extremely professional.

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Chef D'Maestro D.

2/15/2019

WOW! Oh C'mon!? Anyone that gives this doctor less than 4 Stars on a BAD DAY is just crabby and taking it out on someone undeserving of such crabbiness. I went there to have my first exploratory...

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Lucy B.

10/4/2019

Amazing physician, teacher, and man! Grateful for his talent Top notch! A game! Colonoscopy with no sedation - gentle, thorough, efficient Highly recommend!

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Jeannie F.

5/13/2019

Dr Karnes did my endoscopy and colonoscopy recently because I was having issues. He is the nicest, kindest person. He came and reassured me before the procedures and everything went smoothly. His...

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United States›California›Orange›William E. Karnes, MD