• When A Doctor Might Suggest An Endoscopy
    Find out why an endoscopy can shed light on what’s going on in your upper GI. An endoscopy is a helpful tool our gastroenterologist uses to reveal a more detailed look Read more
  • What Is a Polyp?
    Dr. Glenn Madokoro your gastroenterologist in Newport Beach, CA, helps patients with all kinds of GI conditions, including polyps. Polyps are very common and are often harmless, but they can Read more
  • Should I Be Concerned About Polyps?
    If you think you might have a polyp or have been diagnosed with one in Newport Beach, CA, let Dr. Glenn Madokoro help find the best treatment for your needs. Are Read more
  • When Is a Follow up Colonoscopy Needed?
    Colonoscopies are a reliable tool for colorectal cancer and gastrointestinal disease screening. They can help diagnose Crohn’s Disease, colon polyps, and many other diseases that may interfere with the quality Read more
  • Colonoscopy FAQs
    If you’ve recently been informed by your doctor that it’s time for you to get a colonoscopy, you probably have many questions about the procedure and why it’s so important. Read more
  • Why Might I Need an Endoscopy?
    Endoscopies are an essential part of modern medical care. Endoscopies use a long tube with a light on its tip, called an endoscope, to examine the different parts of the Read more
  • 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

Contact Us

Send us an email if you have any interests or concerns

Our Location

July 1, 2022-we have moved to 2901 W Cst Hwy ste 200, Newp Bch

Office Hours

Monday:

8:30 am-12:30 pm

Tuesday:

8:30 am-3:00 pm

Wednesday:

8:30 am-12:00 pm

Thursday:

8:30 am-12:00 pm

Friday:

8:30 am-12:00 pm

Saturday:

Closed

Sunday:

Closed