About Kevin H. Ashby, MD

Kevin H. Ashby, MD

Gastroenterologist servicing Orange County, CA with offices in Irvine & Foothill Ranch, CA

At his private practice in Irvine and Foothill Ranch, California, board-certified and fellowship-trained gastroenterologist Kevin Ashby, MD, and his team treat patients like members of the family. The gastroenterology practice focuses on gastrointestinal (GI) problems and diseases including gallbladder disease, diarrhea, GERD, irritable bowel syndrome, constipation, and peptic ulcers

Dr. Ashby uses superior diagnostic skills and a variety of advanced tests, including upper endoscopy, flexible sigmoidoscopy, capsule endoscopy, and colonoscopy, to uncover the underlying reasons for GI problems. Patients receive comprehensive treatment for their GI issues, from diet and lifestyle changes to medication and surgery. 

The warm and compassionate team at Kevin Ashby, MD, is truly dedicated to excellent patient experiences. Patients can expect the best in personalized care, from scheduling to procedures to recovery services. 

At this time, Kevin Ashby, MD, is welcoming new patients at both the Irvine and Foothill Ranch locations. Schedule an appointment by calling the office or booking online today.


Words from our patients

  • Google

    "I have been seeing Dr Ashby and his staff for nearly two years! He is very knowledgeable, professional, and importantly caring."

    Duke H.
  • Google

    "This is a Doctor who doesn't stop treating you when leave his office. He has called on weekends and hoildays just to make sure I was ok. We need more like this doctor."

    Dale M.
  • Yelp

    "Beyond EXCELLENT. Dr. Ashby is very conscientious. He followed up with me via phone and text several times [even after hours] relative to changes in my condition."

    Wayne V.
  • Healthgrades

    "Dr. Ashby made me feel comfortable, was knowledgeable and explained everything he thought and his recommendations. Very professional and personable."

    Brenda M.
  • Yelp

    "Dr. Ashby is the best doctor I have ever been to. He is extremely nice and caring. He explains everything to you and soothes your concerns."

    Nancy M.
  • Healthgrades

    "What a wonderful doctor. Called on a holiday to see how I was treated in the office. Could not believe it. Easy to talk to and very happy I found Dr. Ashby."

    Martin S.