Meet the IBD Team

Hussein Bitar, M.D.

Assistant Professor of Medicine, IBD Program Director

Dr. Bitar graduated from the Lebanese University-Faculty of Sciences and received his medical degree from the Lebanese University-Faculty of Medical Sciences in 2011. He subsequently completed a residency in Internal Medicine and fellowship in Gastroenterology at the University of Oklahoma. During part of his fellowship, he completed training in Inflammatory Bowel Diseases at Northwestern University in Chicago.  He is currently an Assistant Professor of medicine at the University of Oklahoma.  Dr. Bitar is board certified in internal medicine and gastroenterology. He received the University of Oklahoma College of Medicine Gold Humanism Award in Medicine in 2017.  He is a member of the American College of Gastroenterology, the American Gastroenterological Association, the American Society of Gastrointestinal Endoscopy and the Crohn's and Colitis Foundation.

Practices at:  OU Medical Center Endoscopy Lab and Medincine Secialty Clinic, OU Physicians Clinic and Endoscopy Lab

Clinical Interests: Inflammatory Bowel ​Diseases (i.e., Crohn's Disease and Ulcerative Colitis), ​Small ​Bowel ​Disorders, ​Colon ​Cancer Screening

Procedures: Upper Endoscopy, Colonoscopy, Endoscopic Mucosal Resection, Video Capsule Endoscopy, and Single Balloon Small Bowel Enteroscopy

Kristina Booth, M.D. 

Academic Appointments: Assistant Professor of Surgery
Associate Program Director, General Surgery Residency

Clinical Focus: Colon and Rectal Surgery

Clinical Interests: Robotic Colon Surgery, Colon Cancer, Rectal Prolapse, Anorectal Problems

Professional Education: 
Fellowship: Texas Health Presbyterian, UT Southwestern/Dallas

Residency: University of Oklahoma/Oklahoma City

Medical Education: University of Oklahoma/Oklahoma City

Board Certification: American Board of Surgery

Gary D. Dunn, M.D.

Academic Appointments: Associate Professor of Surgery

Clinical Focus: Colon and Rectal Surgery

Clinical Interests: Rectal Cancer, Complex Anorectal Disease

Professional Education: 
Fellowship: Colon and Rectal Surgery, LSU Health Sciences Center/Shreveport

Residency: General Surgery, LSU Health Sciences Center/Shreveport

Medical Education: New York Medical College/NY

Board Certification: Colon and Rectal Surgery, General Surgery

Research Interests: Rectal Cancer, Surgical Oncology 


Steven N. Carter, M.D.

Academic Appointments: Clinical Assistant Professor of Surgery

Clinical Focus: Colon and Rectal Surgery

Clinical Interests: Rectal Cancer, Anorectal Disease, Inflammatory Bowel Disease

Professional Education: 
Fellowships: Colon and Rectal Residency, Baylor University Medical Center/Dallas

Residency: General Surgery, University of Oklahoma/Oklahoma City 

Medical Education: University of Oklahoma/Oklahoma City

Board Certifications: American Board of Surgery; American Board of Colon and Rectal Surgery


Contact Us

825 NE 10th Street, OU Physicians Building, Suite 4300
Oklahoma City, Oklahoma, 73104

For patients

  • To make an appointment please call our office number 405-271-8478
  • If you interested in participating in our clinical trials please contact

Camille Dennis, R.N. Research Coordinator

Phone: 405-271-8001 Ext. 53424 

Email: camille-dennis@ouhsc.edu

For providers

fill out this referral form