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Welcome to Oak Ridge Gastroenterology Associates

Why should you choose Oak Ridge Gastroenterology?

Over the last 37 years, we have served the Oak Ridge area and delivered quality care for digestive disorders. From simple problems like hemorrhoids and acid reflux to complex issues like celiac disease and GI cancers, we can help. Our physicians are acid reflux and colon cancer screening specialists. Using advanced technologies like video capsule endoscopy and endoscopic ultrasound, we strive to improve your digestive health.

In order to deliver you the best of care, our physicians perform procedures like Endoscopy and Colonoscopy at the award winning Endoscopy Center of Oak Ridge. The physicians and staff take pride in the exceptional care delivered in a safe, comfortable, and caring environment. 

And we’re connected with one of the nation’s highest performing health networks, Covenant Health. That means better care – for you and your family.

This facility complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex. Click here to learn more.

Services Quick Links

Gastroenterology is the field of medicine devoted to the study, diagnosis and treatment of disorders of the digestive system. This may include treatment of conditions in the esophagus, stomach, small and large intestines, rectum, liver, gallbladder, or pancreas. Learn more about our services below.

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Welcome, Dr. Vontela!Join us in welcoming medical oncologist Namratha Vontela, MD to our cancer fighting team! Learn more about Dr. Vontela here: www.thompsoncancernetwork.com/welcome-namratha-vontela-md/. ... See MoreSee Less

1 day ago  ·  

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We're proud to welcome certified family nurse practitioner Connie Hamilton, FNP-BC to the primary care team at Internal Medicine West! Learn more about Connie: bit.ly/33Lcd1v ... See MoreSee Less

3 days ago  ·  

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We're proud to welcome board-certified family medicine physician Joseph Wang, MD to the primary care team at Family Clinic of Oak Ridge! Learn more about Dr. Wang: bit.ly/2GDhZbN ... See MoreSee Less

5 days ago  ·  

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We're proud to welcome board-certified psychiatrist Mujeeb Khan, MD to Peninsula, a division of Parkwest Medical Center! Learn more about Dr. Khan: bit.ly/303CcPt ... See MoreSee Less

1 week ago  ·  

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We're proud to welcome family medicine physician Ryan Hagenson, DO to the primary care team at McNeeley Family Physicians in Clinton! Learn more about Dr. Hagenson: bit.ly/2LXIehk ... See MoreSee Less

2 weeks ago  ·  

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Welcome Jessica!

Certified nurse practitioner Jessica Shamblin, FNP-C has joined our medical team. Meet Jessica.

Oak Ridge Gastroenterology Associates News


  • Thank you for stopping by our table at the recent health fair! Here are the answers to the crossword...

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  • Jessica Shamblin, FNP-C

    We're proud to welcome certified nurse practitioner Jessica Shamblin to the medical team at Oak Ridge Gastroenterology Associates.

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  • Allison Locke, MD of Oak Ridge Gastroenterology Associates

    Oak Ridge Gastroenterology Associates is proud to welcome Allison Locke, MD to our health care team. Learn more about...

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  • Ashley Davis, FNP-BC

    Oak Ridge Gastroenterology Associates is proud to welcome Ashley Davis, FNP-BC to our health care team. Learn more about...

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  • Venkata C. Gourineni, MD

    Venkata C. Gourineni, MD joins Oak Ridge Gastroenterology Associates and Covenant Health, the region's top-performing healthcare network.

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  • Charles Orton, MD

    Charles Orton, MD joins Oak Ridge Gastroenterology Associates and Covenant Health, the region's top-performing healthcare network.

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