Bio
John Gahagan, MD is a Clinical Assistant Professor of Surgery in the Section of Colorectal Surgery. He has extensive training in advanced minimally invasive surgical techniques including robotic and laparoscopic surgery. He has authored several textbook chapters and original articles in peer-reviewed journals. His clinical practice is focused on the surgical treatment of colon and rectal cancers, inflammatory bowel disease (ulcerative colitis and Crohn?s disease), and benign colon and anorectal diseases (diverticulitis, hemorrhoids, fistulas, fissures). He believes in patient-centered care and multi-disciplinary approach to the treatment of diseases of the colon, rectum and anus. He joined Stanford in 2019 and is excited to build a Stanford colorectal surgery practice in the East Bay and Tri-Valley area at Stanford ? ValleyCare in Pleasanton.
Clinical Focus
- Colon & Rectal Surgery
- Inflammatory Bowel Diseases
- Colorectal Neoplasms
- General Surgery
Honors & Awards
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Stanford Teaching Resource Initiative ? ValleycarE (STRIVE) Grant, Stanford University School of Medicine (2020)
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Chairman?s Award, Teaching, Department of Surgery, UC Irvine (2018)
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First Place, Surgical Jeopardy ABSITE competition, Southern California Chapter American College of Surgeons (2017)
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First Place, Surgical Jeopardy ABSITE competition, Southern California Chapter American College of Surgeons (2016)
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Outstanding Resident Award, Graduate Medical Education, UC Irvine (2016)
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High Distinction in General Scholarship, UC Berkeley (2008)
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Student Commencement Speaker, College of Natural Resources, UC Berkeley (2008)
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Leadership Award, Health Worker Program, UC Berkeley (2006)
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Dean?s List, College of Natural Resources, UC Berkeley (2004-2008)
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Alumni Scholarship Leadership Award, California Alumni Association, UC Berkeley (2004)
Boards, Advisory Committees, Professional Organizations
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Member, American Society of Colon and Rectal Surgeons (2016 - Present)
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Member, American College of Surgeons (2012 - Present)
Professional Education
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Board Certification, American Board of Surgery, General Surgery (2018)
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Fellowship, New York-Presbyterian Weill Cornell Medical College / New York-Presbyterian Columbia University / Memorial Sloan Kettering Cancer Center, Colon & Rectal Surgery (2019)
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Residency, University of California, Irvine, General Surgery (2018)
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MD, Wake Forest University School of Medicine, Medicine (2012)
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BS, University of California, Berkeley, Microbial Biology (2008)