• What Exactly Are Colon Polyps?
    Have you had your colonoscopy yet? It may be time to check for a polyp in Newport Beach, CA. Dr. Glenn Madokoro will provide you with professional care as he Read more
  • When To See Your GI Doctor For An Endoscopy
    Dr. Glenn Madokoro performs endoscopies to diagnose and treat patients in the Newport Beach, CA area. If you are experiencing symptoms that indicate stomach, intestinal, or colon issues, our team Read more
  • Why Is A Colonoscopy Recommended?
    A colonoscopy might not be your idea of fun, but it's truly a lifesaver. Performed by your Newport Beach, CA, gastroenterologist, Dr. Glenn Madokoro, this easy diagnostic test yields valuable Read more
  • Reasons You Need an Endoscopy
    Do you experience symptoms like chronic constipation, stomach pains, and ulcers? Maybe your doctor has suggested that you get an endoscopy to inspect your digestive tract from the inside. Dr. Read more
  • Following up After Your Colonoscopy
    Colorectal cancer, also commonly known as colon cancer, is among the most preventable types of cancer, provided that you’ve been screened with hidden symptoms while you’re still healthy. Essentially, screening Read more
  • FAQs About Endoscopies
    Your physician wants you to have an endoscopy procedure, and you have questions. At Dr. Glenn Madokoro's gastroenterology office in Newport Beach, CA, endoscopy is one of his most reliable--and Read more
  • What is a Colon Polyp?
    Concerned about colon polyps? Here’s what you need to know. Maybe you just heard from a friend that they detected colon polyps during their last colonoscopy. Now you’re wondering if Read more
  • The Difference Between Endoscopy vs. Colonoscopy
    The Difference Between Endoscopy vs. Colonoscopy Both colonoscopy and endoscopy are non-surgical procedures performed by a gastroenterologist. They also both use a device known as an endoscope, which has a fine, Read more
  • Reasons to Receive an Endoscopy
    An endoscopy is a simple nonsurgical procedure commonly utilized for inspecting the digestive tract. It entails the use of an endoscope, which is a malleable, thin tube with a tiny Read more
  • When Should You Get a Colonoscopy?
    In 2019, about 145,600 men and women in the U.S. received a colorectal cancer diagnosis. Although the condition mainly affects older adults, there's a rising incidence in younger individuals. When Read more
  • What You Should Know About Endoscopies
    How an endoscopy from your gastroenterologist in Newport Beach, CA, can protect your health An endoscopy is a simple procedure that can very effectively protect your health. When you undergo an Read more
  • The Basics on Polyps
    Polyps are small tissue growths that usually appear in the lining of the colon (large intestine), but can also develop in other parts of the body, as well. While polyps Read more
  • FAQs about Colonoscopies
    You've probably seen the television ads for colon screening. Maybe you've talked to friends about colonoscopies. If getting a colonoscopy is something you are considering, you probably have questions. Dr. Read more
  • Do You Need an Endoscopy?
    An endoscopy is a diagnostic test that allows your doctor to check for problems like inflammation, bleeding, lesions, and growths in the digestive system. Millions of Americans suffer from acid Read more
  • What Is A Colonoscopy?
    A colonoscopy screens patients for colon cancer. Recommended for people ages 50 and older, this minimally-invasive test looks for irregularities in the bowels, takes samples for biopsies, and uncovers the Read more
  • How Common Are Colon Polyps?
    How your gastroenterologist in Newport Beach, CA, can help with colon issues Many people would rather not talk about colon issues, but it is an important topic. One of the more Read more

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Our Location

PERMANENTLY CLOSED 2901 W Cst Hwy ste 200, Newp Bch, CA 92663

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