• Blog
RSS Feed
  • Signs You May Need A Colonoscopy
    A colonoscopy might not be on the top of your priority list. However, this procedure is an incredibly important tool for preventing and diagnosing colon cancer, which affects about 150,000 Read more
  • Colorectal Cancer Prevention Doesn't Have to be Uncomfortable
    Find out more about colorectal cancer screenings and who should get them. Are you turning 50 years old this year? If so, it might be time to give yourself the gift Read more
  • FAQs About An Endoscopy
    If you live in the Newport Beach, CA area, and you have been told you need an endoscopy, chances are you have questions and concerns. A qualified gastroenterologist, like Dr. Glenn Read more
  • What Happens During a Colonoscopy?
    A colonoscopy is a test used to examine your large intestine for signs of cancer and find the cause of other problems, such as abdominal pain. Initial colonoscopies are recommended Read more
  • FAQs About Polyps
    Polyps are a small cluster of cells that grow on the lining of the colon. Most polyps tend to be harmless, and generally don’t cause noticeable symptoms. However, some polyps Read more
  • Why Might I Need a Colonoscopy?
    Has your Newport Beach, CA doctor, Glenn D. Madokoro, MD, talked to you about having a colonoscopy yet? A common medical procedure, colonoscopies are used to screen for signs of Read more
  • Brock Lesnar Knows the Dangers of Diverticulitis
    Diverticulitis is an unfortunately common and painful disease of the digestive system. It occurs when pouches formed in the intestines and colon become inflamed. Symptoms include abdominal pain, diarrhea, Read more
  • Polyps - What They Are, How To Identify Them
    Hearing your doctor say that you have polyps can be very frightening. What are polyps? Are polyps dangerous? Thankfully, the diagnosis is generally nowhere near as bad as it sounds. Read more
  • Adenoma Detection Rate and the GiQuic Program
    Your Newport Beach gastroenterologist participates in an endoscopic quality improvement registry to promote more effective medical procedures. According to the CDC, colorectal cancer is the third most common cancer in both Read more
  • When Should You Schedule Your Endoscopy?
    Anyone with persistent digestive issues should consult a gastroenterologist, a doctor specializing in the digestive system, to address discomfort and diagnose any infections or diseases that may be causing health Read more
  • Understanding Colonoscopy in Newport Beach
    While a colonoscopy probably isn’t at the top of your list of things to do, it is one of the most important routine medical procedures you can have performed. According Read more
  • Understanding the Differences Between Colonoscopy and Endoscopy: When It’s the Right Time for Each
    Modern science has made it easier to view the body’s internal structures to search for early signs of disease, bleeding and more before conditions can become more severe. This is Read more
  • Understanding Polyps in Newport Beach
    Polyps are abnormal growths of tissue that can be found in any organ that has blood vessels, such as the colon. To help you understand colon polyps in Newport Beach, Read more
  • Digestive Diseases and Endoscopy for Newport Beach Patients
    If you are experiencing abdominal pain, nausea, vomiting or difficulty swallowing, our gastroenterologist offers an endoscopy in Newport Beach.  With this procedure, Dr. Glenn Madokoro will be able to find the cause Read more
  • Welcome to Our Blog
    Welcome to the Blog of Glenn D. Madokoro, MD Hospital Rd Newport Beach, CA would like to welcome you to our blog. Here you will find informative and useful postings about gastroenterology Read more

Contact Us

Send us an email if you have any interests or concerns

Our Location

Office Hours


8:30 am-12:30 pm


8:30 am-3:00 pm




8:30 am-12:00 pm


8:30 am-12:00 pm