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Office
4805 NE Glisan St
Ste 6N60
Portland, OR 97213Phone+1 503-281-0561Fax+1 503-416-7377
Education & Training
Washington University/B-JH/SLCH ConsortiumResidency, Colon and Rectal Surgery, 1998 - 1999
Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Surgery, 1991 - 1998
University of Maryland School of MedicineClass of 1991
Certifications & Licensure
OR State Medical License 1999 - 2025
PA State Medical License 1991 - 2008
ME State Medical License Active through 1998- American Board of Colon and Rectal Surgery Colon & Rectal Surgery
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Portland Monthly Magazine Castle Connolly
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
- Fellow (FACS) American College of Surgeons
Clinical Trials
- The Significance of Sentinel Node Analysis in Colon Cancer Start of enrollment: 2004 Jun 01
- Immunoscore in Rectal Cancer Start of enrollment: 2014 Jan 24
Publications & Presentations
PubMed
- 750 citationsEffect of Laparoscopic-Assisted Resection vs Open Resection of Stage II or III Rectal Cancer on Pathologic Outcomes: The ACOSOG Z6051 Randomized Clinical TrialJames W. Fleshman, Megan E. Branda, Daniel J. Sargent, Anne Marie Boller, Virgilio George
JAMA. 2015-10-06 - 8 citationsTransanal total mesorectal excision outcomes for advanced rectal cancer in a complex surgical populationIvy H. Gardner, Katherine A. Kelley, Walaa F Abdelmoaty, Ahmed Sharata, Amanda V. Hayman
Surgical Endoscopy. 2021-01-08 - 188 citationsPractice Parameters for the Treatment of Perianal Abscess and Fistula-in-Ano (Revised)Mark H. Whiteford, John Kilkenny, Neil Hyman, W. Donald Buie, Jeffrey A. Cohen
Diseases of the Colon and Rectum. 2005-05-17
Press Mentions
Evolution of Transanal Total Mesorectal Excision for Rectal Cancer: From Top to BottomMarch 27th, 2018
Whirlwind of ActivityMarch 13th, 2017
Professional Memberships
- Fellow
- Fellow
- Member
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