

Assistant Professor of Surgery
Director of Laparoscopic Colorectal Surgery Program
Director of the Division of Colon and Rectal Surgery
Dr. Obias is an Assistant Professor of Surgery at the George Washington University Medical Center (GW). He serves as the Director of the Laparoscopic Colorectal Surgery Program and Director of the Division of Colon and Rectal Surgery. He received his Bachelor’s Degree in Biology from James Madison University, his Masters degree in Physiology at the Medical College of Virginia, and his Doctorate in Medicine at the Medical College of Virginia. Dr. Obias performed his internship and general surgery residency at Eastern Virginia Medical School in Norfolk, VA. During his time in Norfolk, he spent one year performing basic and clinical science research in the areas of trauma and colorectal surgery. Dr. Obias completed a subspecialty residency in Colon and Rectal Surgery at the Cleveland Clinic in Ohio. He completed an additional one year fellowship in Advanced Laparoscopic Colon and Rectal Surgery at University Hospitals Case Medical Center the following year. He remained on the staff at University Hospitals for one year before coming to the GW in 2008.
Dr. Obias’ specialties include laparoscopic and robotic colon and rectal surgery for neoplastic and benign disease, transanal endoscopic microsurgery, inflammatory bowel disease including Crohn’s disease and ulcerative colitis, and constipation and functional anorectal disorders. Dr. Obias has written articles on a variety of topics including rectal cancer, post-operative recovery, trauma-critical care, and transplant surgery. He has presented papers at national conferences including the American Society of Colon and Rectal Surgeons, the Surgical Infection Society joint meeting in Europe, the Society of American Gastrointestinal Endoscopic Surgeons, and the American College of Surgeons.
Medical Education: James Madison University
Internship: Eastern Virginia Medical School
Residency: Medical College of Virginia
Fellowship: The Cleveland Clinic Foundation & University Hospital Case Medical Center
Board Certification: General Surgery and Colon and Rectal Surgery
Clinical Interests: Laparoscopic, robotic surgery, transanal endoscopic microsurgery, Crohn’s disease, ulcerative colitis, anorectal disease, colorectal and anal cancer, diverticular disease, incontinence and constipation
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