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Office
100 E Lancaster Ave
Ste 330
Wynnewood, PA 19096Phone+1 610-645-9093Fax+1 610-645-9476
Education & Training
- Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Colon and Rectal Surgery, 1994 - 1995
- Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Surgery, 1989 - 1994
- Sidney Kimmel Medical College at Thomas Jefferson UniversityClass of 1989
Certifications & Licensure
- PA State Medical License 1991 - 2024
- MI State Medical License 1994 - 2017
- American Board of Colon and Rectal Surgery Colon & Rectal Surgery
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Super Doctor SuperDoctors.com
- Top MD Consumers Checkbook
- Fellow (FACS) American College of Surgeons
Clinical Trials
- Maintenance Chemotherapy After Neoadjuvant Chemoradiation Therapy for Distal Rectal Cancer Start of enrollment: 2011 Aug 01
- Feasibility and Safety of Single Port Robot in Colorectal Procedures Start of enrollment: 2018 Oct 15
Publications & Presentations
PubMed
- 5 citationsRobotic right colectomy with robotic-sewn anastomosis: a pilot case series.C G S Huscher, Gianni Lazzarin, F Marchegiani, J Marks
Journal of Robotic Surgery. 2023-04-01 - 20 citationsSP rTaTME: initial clinical experience with single-port robotic transanal total mesorectal excision (SP rTaTME)John H. Marks, Jean F. Salem, P Adams, T Sun, E Kunkel
Techniques in Coloproctology. 2021-04-21 - 30 citationsSingle-port robotic left colectomy: first clinical experience using the SP robot (rSILS)John H. Marks, Jean F. Salem, Brigitte Anderson, J M Josse, Henry Schoonyoung
Techniques in Coloproctology. 2020-01-01
Journal Articles
- Natural Orifice Specimen Extraction in Colorectal Surgery: Patient Selection and PerspectivesJohn Marks, MD, Clinical and Experimental Gastroenterology
- Robotic Transanal Surgery (RTAS) with Utilization of a Next-Generation Single-Port System: A Cadaveric Feasibility StudyJohn Marks, MD, Techniques in Coloproctology
Professional Memberships
- Member
- Member
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