Office Locations:

South Office
4201 S. Western Avenue
Oklahoma City, OK 73109
Phone:  (405) 632-4000
Fax:  (405) 632-4073

Map & Directions

Ross S. Keener, M.D.

Dr. Keener is board certified in Gastroenterology. He has completed extensive training in the diagnosis and treatment of disorders of the esophagus, stomach, small intestine, colon, liver and gallbladder. He has been in private practice since 2003 and associated with Digestive Disease Specialists, Inc. since 2003.

A native of Stillwater, Oklahoma, Dr. Keener received his undergraduate degree with honors from Oklahoma State University in Stillwater and his medical degree from the University of Oklahoma College of Medicine. He completed his residency in Internal Medicine at the University of Missouri, Columbia and his clinical Fellowship in Gastroenterology at the University of Texas, San Antonio. He is a member of several professional associations including the American College of Gastroenterology (ACG), the American Gastroenterological Association (AGE), American Society of GI Endoscopy (ASGE), and Oklahoma State Medical Association (OSMA).

Dr. Keener has special interest in colon cancer prevention, gastroesophageal reflux disease and inflammatory bowel diseases.

Dr. Keener offers the CRH-O’Regan Hemorrhoid Banding System in his practice. This procedure treats internal hemorrhoids and can be done in his office, without surgery or pain. Please visit www.crhcenter.com for more information.

Dr. Keener’s
Prep Information

Dr. Keener would like to thank you for allowing him to participate in your medical care. If you have been scheduled for an upcoming procedure, Dr. Keener’s medical staff will direct you to the appropriate procedure information below.

1. Please review the Endoscopic Prep Information and Appointment Cancellation Policy prior to your procedure.

2.  Dr. Keener’s medical staff will direct you to the appropriate procedure preparation below once your medical history has been taken. Please download and print the information so that you can fill in your appointment date and time. Don’t hesitate to call our office at 405-632-4000 if you have any questions.

  • EGD

  • Flexible Sigmoidoscopy

  • Colonoscopy-Miralax Gatorade Prep AM

  • Colonoscopy-Miralax Gatorade Prep PM

  • Colonoscopy-Miralax Gatorade Prolonged Prep

  • Colonoscopy-MoviPrep AM

  • Colonoscopy-MoviPrep PM