Thank you for choosing the Gastrointestinal and Minimally Invasive Surgery (GMIS) Division of The Oregon Clinic. Our group of general and minimally invasive specialists includes board-certified physicians that are fellowship trained in general and colorectal surgery. They are among the best in the Western United States and across the country. The surgeons provide complete evaluation, diagnosis, and surgical treatment for a wide variety of disorders. We have pioneered some of the most advanced, minimally invasive procedures while achieving the fewest complications, highest survival rates and best outcomes in the state. A small sample of our medical focus includes acid reflux, hemorrhoids, gallbladder, thyroid and parathyroid disease, varicose veins, hernia repair, appendix removal, colon cancer, gastrointestinal disease and liver and pancreatic disease.  The GMIS division is dedicated to a team approach to provide state-of-the-art, proven medicine that is delivered with great care and compassion. We believe that good patient education is good medicine and believe in working with our patients to educate you about risk factors and lifestyle changes that can help prevent disease. Our surgeons are involved in multiple research studies, all aimed at providing the best long-term outcome possible. Some of our areas of focus include:
To expedite your check-in process when you arrive, please print and complete the forms below prior to your office visit:
Providers
Rehan Ahmad, MD, FRCS Christy M. Dunst, MD, FACS Richard Jamison, MD, FACS Lee Swanstrom, MD, FACS John Zelko, MD, FACS
| Shaghayegh Aliabadi-Wahle, MD Chet Hammill, MD David O'Brien, MD, FACS, FASCRS Mark Whiteford, MD, FACS, FASCRS
| Roy Breen, MD, FACS, FASCRS Paul Hansen, MD, FACS Kevin Reavis, MD Ronald Wolf, MD, FACS
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Procedures Acid Reflux Test
Appendectomy
Cholecystectomy
Echography
Esophogeal Motility Study
Fundoplasty
GERD
Hemorrhoid
Hernia
Laparoscopic PEH Repair
Liver resection
Nissen fundoplication
Pancreatectomy
Robotic Whipple
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Patient Information |
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Locations
Gateway Medical Office
1111 NE 99th Ave. Suite 301 Portland, OR 97220
503.281.0561
M-F: 8:30am - 5pm
Good Samaritan
1040 NW 22nd Suite 560 Portland, OR 97210
503.281.0561
M-F: 8:30am - 4:30pm
Providence Portland
4805 NE Glisan St. Suite 6N50 Portland, OR 97213
503.281.0561
M-F: 8am - 4:30pm
Hospitals ServedProvidence Portland Medical Center Legacy Good Samaritan Hospital Providence St. Vincent Medical Center Legacy Emanuel Hospital Columbia Memorial Hospital Providence Seaside Hospital
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