Dr. Gahagan is on Doximity
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Office
5725 W Las Positas Blvd
suite 101
Pleasanton, CA 94588
Education & Training
- New York Presbyterian Hospital (Cornell Campus)Fellowship, Colon and Rectal Surgery, 2018 - 2019
- University of California (Irvine)Residency, Surgery, 2012 - 2018
- Wake Forest School of Medicine of Wake Forest Baptist Medical CenterClass of 2012
Certifications & Licensure
- CA State Medical License 2013 - 2025
- NY State Medical License 2018 - 2020
- American Board of Colon and Rectal Surgery Colon & Rectal Surgery
- American Board of Surgery Surgery
Publications & Presentations
PubMed
- 17 citationsImproved survival with adjuvant chemotherapy in locally advanced rectal cancer patients treated with preoperative chemoradiation regardless of pathologic response.John V. Gahagan, Matthew D. Whealon, Michael J. Phelan, Steven Mills, Mehraneh D. Jafari
Surgical Oncology. 2020-03-01 - 17 citationsLymph Node Positivity in Appendiceal Adenocarcinoma: Should Size Matter?John V. Gahagan, Matthew D. Whealon, Michael J. Phelan, Steven Mills, Alessio Pigazzi
Journal of the American College of Surgeons. 2017-07-01 - 7 citationsUsing AI and computer vision to analyze technical proficiency in robotic surgery.Janice H Yang, Emmett D Goodman, Aaron J Dawes, John V Gahagan, Micaela M Esquivel
Surgical Endoscopy. 2023-04-01
Professional Memberships
- Fellow
- Fellow
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