3 Best Proctologists in Portland, OR

"Dr. Mark H. Whiteford graduated from the University of Maryland School of Medicine and completed his general surgery internship and residency at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania. He went on to complete a fellowship in Colon and Rectal Surgery at Barnes-Jewish Hospital in St. Louis, Missouri. He is a Fellow of the American College of Surgeons (FACS) and the American Society of Colon and Rectal Surgeons (FASCRS). He is also a member of the Northwest Society of Colon and Rectal Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons. He specializes in minimally invasive colorectal surgery, including laparoscopic procedures and transanal endoscopic microsurgery (TEM/TAMIS). Dr. Whiteford serves as an Affiliate Professor of Surgery at OHSU and has been invited to teach and lecture for organizations such as the American College of Surgeons.

"Dr. Rehan S. Ahmad received his undergraduate education at the University of Glasgow Medical School in Scotland. He completed his residency in general surgery at the University of Illinois College of Medicine at Chicago. Dr. Rehan S. Ahmad completed his residency in Colon and Rectal Surgery at the Allegheny Health Network Medical Education Consortium. He specializes in Colon/Rectal/Anal Cancer, Crohn’s/Ulcerative Colitis, Hemorrhoids, Diverticulitis, and Anorectal Disorders. Dr. Rehan S. Ahmad is a member of the American Board of Colon and Rectal Surgery in Colon & Rectal Surgery. He is affiliated with Legacy Good Samaritan Medical Center, Providence Portland Medical Center, and Providence St. Vincent Medical Center.

"Dr. David O'Brien earned his MD from Emory University School of Medicine in Atlanta, Georgia. He completed his internship and residency training in the Department of Surgery at the University of Cincinnati, followed by a clinical fellowship in colorectal surgery at the Cleveland Clinic Foundation in Cleveland. He was the Chief Resident at the University of Cincinnati, Department of Surgery. He is also a member of the Oregon Medical Association and the Northwest Society of Colon and Rectal Surgeons and serves on the Healthcare Economics Committee of the American Society of Colon and Rectal Surgeons.