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John Marks, MD, Colon & Rectal Surgery, Wynnewood, PA

John H Marks MD


Chief of Colorectal Surgery at Lankenau Medical Center

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  • 100 E Lancaster AveSte 330Wynnewood, PA 19096

  • Phone+1 610-645-9093

  • Fax+1 610-645-9476

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Education & Training

  • Sidney Kimmel Medical College at Thomas Jefferson University/TJUH
    Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Colon and Rectal Surgery, 1994 - 1995
  • Sidney Kimmel Medical College at Thomas Jefferson University/TJUH
    Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Surgery, 1989 - 1994
  • Sidney Kimmel Medical College at Thomas Jefferson University
    Sidney Kimmel Medical College at Thomas Jefferson UniversityClass of 1989

Certifications & Licensure

  • PA State Medical License
    PA State Medical License 1991 - 2026
  • MI State Medical License
    MI State Medical License 1994 - 2017
  • Colon & Rectal Surgery
    American Board of Colon and Rectal Surgery Colon & Rectal Surgery
  • 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

Publications & Presentations

PubMed

Journal Articles

  • Natural Orifice Specimen Extraction in Colorectal Surgery: Patient Selection and Perspectives  
    John Marks, MD, Clinical and Experimental Gastroenterology
  • Robotic Transanal Surgery (RTAS) with Utilization of a Next-Generation Single-Port System: A Cadaveric Feasibility Study  
    John Marks, MD, Techniques in Coloproctology

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