Tulsa Endoscopy Center | Adult Gastroenterology Associates | Oklahoma

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Meet Our Physicians

Oklahoma’s Leading Gastroenterologists

Patrick R. Volak, MD

Patrick R. Volak, MD

Markham L. Nightengale, MD

Markham L. Nightengale, MD

Douglas B. Kliewer, MD

Douglas B. Kliewer, MD

Paul D. Stanton, MD

Paul D. Stanton, MD

Gary Hills, DO

Gary Hills, DO

Matt M. Blankenship, MD

Matt M. Blankenship, MD

Brandon A. Conkling, DO

Brandon A. Conkling, DO

Christian D. Clark, MD

Christian D. Clark, MD

Jeffery J. Blonksy, MD

Jeffery J. Blonsky, MD

Kevin M. McNamara, MD

Kevin M. McNamara, MD

Aatish Patel, MD

Aatish M. Patel, MD

Our Services

Find a Location

Tulsa Endoscopy Center

Adult Gastroenterology Associates, North

Adult Gastroenterology Associates, South

Adult Gastroenterology Associates, Bartlesville

Adult Gastroenterology Associates, Vinita

Adult Gastroenterology Associates, Main

Adult Gastroenterology Associates, Muskogee

Adult Gastroenterology Associates, McAlester

Adult Gastroenterology Associates, Enid

Recent Posts

Young Adults and Colon Cancer

Posted on 06 Mar 2018

Colon Cancer and Young Adults

Tulsa Gastro News, Uncategorized

Posted on 14 Feb 2018

Know the Signs of Acid Reflux and GERD

Tulsa Gastro News, Uncategorized

Posted on 14 Feb 2018

The GI Gender Divide Part II: Men’s Digestive Health

Tulsa Gastro News, Uncategorized

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