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Welcome to Oceana Gastroenterology Associates of Corona, California

If you’re like the millions of Americans experiencing the pain and disruption of gastrointestinal ailments, you want relief – now. And we’re here to help. As interventional gastroenterology specialists, we are devoted to discovering the source of your GI issue and finding you the relief you require.

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ABOUT

Oceana Gastroenterology Associates focuses on caring for patients with issues affecting the digestive tract.

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PATIENT EDUCATION

Learn about the symptoms and treatments for dozens of gastrointestinal conditions and injuries.

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PATIENT RESOURCES

Whether you’re a new or existing patient, you’ll find the forms and procedure instructions you need here.

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FAQs

We get a lot of questions about GI disorders and treatments – read on to see if yours is one we’ve already answered.

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Conditions We Treat

We perform diagnostic testing and provide on-the-spot treatment for a wide variety of digestive disorders, including ulcers, acid reflux, Barrett’s esophagus, constipation, hemorrhoids, Crohn’s disease, gastric cancers, and much more.

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Therapeutic ERCP

A type of endoscopy to evaluate and treat problems affecting the gallbladder, liver, pancreas, pancreatic duct, and bile ducts.

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Endoscopic Ultrasonography

An endoscopy utilizing high-quality ultrasound imaging during the procedure – ideal for diagnosing and staging gastric cancers.

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BRAVO pH Testing

We offer the only catheter-free, ambulatory acid-reflux testing for gastroesophageal reflux disease (GERD) available.

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Smart Pill & Capsule Endoscopy

Unlike a traditional endoscopy, patients simply swallow a capsule that collects data as it passes through the GI tract.

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Our Providers

Board certified and fellowship-trained, Dr. M. Mazen Jamal has been helping patients like you with gastrointestinal disorders since 1981. He and the skilled and compassionate professional team at Oceana Gastroenterology look forward to seeing you soon.

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Dr. M. Mazen Jamal is a gastroenterologist who is leading the charge to provide advanced treatment and diagnostic options for patients suffering from gastrointestinal disorders. He has been practicing medicine since 1981. Dr. M. Mazen Jamal founded Oceana Gastroenterology Associates in 2014 to focus on what he does best: caring for patients with issues affecting the digestive tract. Dr. Jamal has been caring for patients in the area of Corona, California, for decades.

Dr. M. Mazen Jamal

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At Oceana Gastroenterology Associates, Dr. M. Mazen Jamal provides diagnosis and treatment for a wide range of gastrointestinal issues for patients in Corona, Riverside, and Inland Empire areas of California. Some of our procedures include Endoscopic Ultrasonography, Therapeutic ERCP, Colonoscopy, Upper Endoscopy, Bravo pH Testing, and Capsule Endoscopy.

  • Home
  • About
  • Providers
  • Conditions
  • Treatments & Procedures
    • Therapeutic ERCP
    • Endoscopic Ultrasonography
    • Bravo pH Testing
    • SmartPill Motility Monitoring
    • Colonoscopy
    • Upper Endoscopy
    • Back
  • FAQs
  • Patient Resources
  • Location
  • Reviews
  • Contact Us