Office Locations:

Baptist Medical Center Office
Phone:  (405) 702-1300
Fax:    (405) 702-1280


David A. Neumann II, M.D.

Dr. David A. Neumann II is board certified in both Internal Medicine and Gastroenterology. He joined his father, David A. Neumann I, M.D., in practice as a GI doctor in OKC at Digestive Disease Specialists in 2013. Dr. Neumann earned his bachelor’s degree and medical degree from the University of Oklahoma. He completed his Internal Medicine Residency at the Mayo Clinic in Rochester, MN and his Gastroenterology Fellowship at Beaumont Hospital in Royal Oak, MI.

Dr. Neumann II cares for patients with diseases of the digestive system, including stomach, small bowel, colon, liver, gallbladder, and pancreas. He performs routine endoscopic procedures including upper endoscopy (EGD) and colonoscopy, as well as advanced endoscopic procedures including radiofrequency ablation of Barrett’s esophagus, endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS).

Dr. Neumann II also offers the patented CRH-O’Regan Disposable Hemorrhoid Banding System in his practice. This procedure treats internal hemorrhoids causing painless rectal bleeding and can be done in his office, without surgery or pain. Please visit www.crhcenter.com for more information.

Dr. Neumann II has published several abstracts and papers in medical journals and has presented abstracts at major national meetings. He is a member of the American Gastroenterological Association, American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, Crohn’s and Colitis Foundation, American College of Physicians and the American Medical Association.

Dr. Neumann II’s Prep Information

Dr. Neumann II would like to thank you for allowing him to participate in your medical care. If you have been scheduled for an upcoming procedure, Dr. Neumann’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. Neumann’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 405-751-4199 Option #7  if you have any questions.