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Michael Marohn, DO, General Surgery, Columbia, MD, Johns Hopkins Bayview Medical Center

MichaelRobertMarohnDOFACS, FASGE(He/Him)

General Surgery Columbia, MD

Colon & Rectal Surgery, Trauma Surgery & Surgical Critical Care, Minimally Invasive Surgery

Associate Professor of Surgery, Johns Hopkins University School of Medicine; Former Director, Minimally Invasive Surgery (MIS) Fellowship, Emeritus Director, Minimally Invasive Surgery Training Center (MISTC)

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  • Office

    Johns Hopkins Community Physicians - Howard County
    11085 Little Patuxent Parkway The Medical Arts Building, Suite 103
    Columbia, MD 21044
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  • Dr. Michael Marohn was recruited in 2004 by Dr. Julie Freischlag to join Johns Hopkins after 20 years pushing emerging surgical technologies in the US Military. He left the US Military as a USAF Colonel & Vice-Chair of Surgery, Uniformed Services University. A pioneer in minimally invasive surgery (MIS), he co-founded DOD’s Emerging Surgery Technology program, conducting >250 courses for >2,500 Military surgeons worldwide, teaching basic & advanced MIS, image guided surgery, ultrasound, surgical endoscopy, & surgical robotics. For ten years, he was Associate Program Director of Walter Reed’s General Surgery Residency. At Johns Hopkins, he succeeded Dr. Mark Talamini as MIS Fellowship Program Director for 7 years. He directed Hopkins’ Minimally Invasive Surgery Training & Innovation Center (MISTIC) for 10 years while maintaining a busy advanced MIS surgical practice, focusing on foregut, hindgut, and solid organ problems, including robotic surgery. Her remains a ‘go to’ senior surgeon at Johns Hopkins for complex, reoperative MIS cases. A NOTES pioneer, he was a founding member of SAGES/ASGE NOSCAR- providing leadership for the safe investigation of NOTES. He has a longstanding interest in global health- using laparoscopy as a development tool in Peru, China, Mongolia, Moldova, Korea, and elsewhere. A collaborative innovator, Dr. Marohn remains a champion of transdisciplinary efforts to harness technology for improved patient care & safety. He is a member of the Miller-Coulson Academy of Clinical Excellence. He received both Teacher of the Year for Surgery Residents and Teacher of the Year for Surgery Medical Students at Johns Hopkins in 2019- both programs ranked first in the nation.

Education & Training

  • School of Aerospace Medicine
    School of Aerospace MedicineMilitary, 1987
  • San Antonio Uniformed Services Health Education Consortium
    San Antonio Uniformed Services Health Education ConsortiumResidency, Surgery, 1979 - 1985
  • San Antonio Uniformed Services Health Education Consortium
    San Antonio Uniformed Services Health Education ConsortiumFellowship, Surgical Critical Care, 1981 - 1982
  • Chicago College of Osteopathic Medicine at Midwestern University
    Chicago College of Osteopathic Medicine at Midwestern UniversityClass of 1979
  • Indiana University
    Indiana UniversityNon-degree, Pre-Medical, 1975
  • Dartmouth College
    Dartmouth CollegeNon-degree, Pre-Medical, 1974
  • Dartmouth College
    Dartmouth CollegeA.B., Psychology, 1969 - 1973

Certifications & Licensure

  • VA State Medical License
    VA State License 1988 - 2024
  • MD State Medical License
    MD State License 1987 - 2023
  • TX State Medical License
    TX State License 1980 - 2005
  • American Board of Surgery Surgery
  • Society Apothecaries of LondonMedical Care of Catastrophes

Awards, Honors, & Recognition

  • Keith D. Lillemoe Outstanding Resident Teacher Award 2019 Johns Hopkins, 2019
  • Outstanding Medical Student Teacher in Surgery 2019 Johns Hopkins, 2019
  • Miller-Coulson Academy Johns Hopkins, 2018
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Publications & Presentations


Journal Articles

  • Perioperative prescribing habits in patients with inflammatory bowel disease: a call for standardization  
    Lamore RF 3rd, Heckenbleiker EM, Ha C, Salvatori R, Harris LH, Marohn MR, Gearhart SD, Efron JE, Wick EC, JAMASurg, 3/19/2014
  • Defining recurrence after paraesophageal hernia repair: correlating syptoms and radiographic findings  
    Lidor AO, Kawaji Q, Stern M, Fleming RM, Schweitzer MA, Marohn MR, Surg, 8/1/2013
  • Serum anti-glycan antibody biomarkers for inflammatory bowel disease diagnosis and progression: a systematic review and meta-analysis  
    Kaul A, Huftless S, Liu L, Bayless TM, Marohn MR, Li X, Inflamm Bowel Dis, 10/1/2012
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Books/Book Chapters

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  • Developing advanced laparoscopic surgery in Mongolia.
    Wells KM, Price RR, Sergelen O, Lkhagvabayar B, Enkh-Amgalan T, Price MD, Marohn MR, Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) Annual Meeting, Salt Lake City, UT, 4/1/2014
  • Remote robotic nephrectomy using the public internet: inexpensive telesurgery.
    Schenkman NS, Sterbis J, Marohn MR Hanly E, Herman B, Shih S, Broderick T, Hartnett B, Doarn C, American Urological Association (AUA) Annual Meeting, Atlanta, GA, 5/20/2006
  • Remote stereoscopic robotic telesurgery using the public internet.
    Hanly EJ, Miller BE, Herman BC, Marohn MR, Broderick TJ, Shih SP, Sterbis JR, Doarn CR, Harnett B, Hasser CJ, Talamini MA, Meireles O, Moses GR, Marchessault R, Schenk..., Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) Annual Meeting, Dallas, TX, 4/26/2006
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  • "NOTES/ Transanal Surgery Panel" Session Chair 
    Salt Lake City, UT - 4/1/2014
  • "Frontiers in Surgery: Laparoscopy, Robotics, Notes…" 
    Baltimore, MD - 2/26/2014
  • Surgery Grand Rounds: "Notes on Laparoscopy as a Tool for Global Health" 
    Johns Hopkins, Baltimore, MD - 1/9/2014
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  • "2007 Poster Session Proceedings." (DVD-ROM format) 
    Schwaitzberg S, Scott, D, Marohn MR, Society of American Gastrointestinal Endoscopic Surgeons (SAGES) Annual Meeting, Las Vegas, NV, 17-2
    SAGES, Las Vegas - 1/1/2007
  • Remote robotic surgery using the public internet: Cheap transcontinental telesurgery. 
    Hanly EJ, Miller BE, Herman BC, Marohn MR, Broderick TJ, Shih SP, Sterbis JR, Doarn CR, Hammet B, Hasser CJ, Talamini MA, Moses GR, Marchessault R, Schenkman NS, Telemed and E Health
  • "Getting started: challenges and strategies." 
    Marohn MR, Basic Ultrasound, CD-ROM format, edited by Smith R
    American College of Surgeons, Chicago - 1/1/2004
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Professional Memberships

Other Languages

  • French

Hospital Affiliations