Vincent Obias, M.D., M.S.

Headshot of Vincent Obias
  • Chief of Colorectal Surgery, Johns Hopkins Medicine, National Capital Region
  • Professor (PAR) of Surgery

Specializes in: Adults (18+ years)



Colon and Rectal Surgery, Colon Cancer, Colon Polyps, Crohn's Disease, Diverticulitis, Hemorrhoids, Natural Orifice Surgery, Rectal Cancer, Robotic and Laparoscopic Surgery, Transanal Minimally Invasive Surgery (TAMIS), Ulcerative Colitis more


Camalier Building

10215 Fernwood Road
Suite 630
Bethesda, MD 20817 map
Phone: 443-927-3900 | Fax: 301-896-8805

Suburban Hospital

8600 Old Georgetown Road
Bethesda, MD 20814 map

Sibley Medical Building

5215 Loughboro Road NW
Washington, DC 20016 map


Vincent J. Obias, M.D., is a fellowship-trained colorectal surgeon and chief of Johns Hopkins colorectal surgery in the national capital region.

He specializes in minimally invasive robotic colon & rectal surgery with a focus on robotic surgery. He treats a variety of conditions, including colorectal cancers, inflammatory bowel disease including Crohn’s disease and ulcerative colitis, diverticulitis and functional anorectal disorders. Dr. Obias has written articles on a variety of subjects including rectal cancer, post-operative recovery, trauma-critical care, and transplant surgery. He has presented papers at the Minimally Invasive Robotics Association national conference (MIRA), the American Society of Colon and Rectal Surgeons national conference, the Surgical Infection Society joint meeting in Europe, the Society of American Gastrointestinal Endoscopic Surgeons, and the American College of Surgeons.

Dr. Obias completed a subspecialty residency in Colon & Rectal Surgery at The Cleveland Clinic and a fellowship in Advanced Laparoscopic Colon and Rectal Surgery at University Hospitals Case Medical Center. He performed his internship and General Surgery residency at Eastern Virginia Medical School. He completed a master in Physiology and earned his medical degree at the Medical College of Virginia. Dr. Obias earned his Bachelor’s in Biology at James Madison University. more


  • Chief of Colorectal Surgery, Johns Hopkins Medicine, National Capital Region
  • Professor (PAR) of Surgery

Departments / Divisions

  • Surgery - Ravitch Colorectal Division
  • Surgery at Suburban Hospital



  • MD; Virginia Commonwealth University School of Medicine (1999)


  • General Surgery; Eastern Virginia Medical School (2005)


  • Laparoscopic Surgery; Case Western Reserve University Hospitals Cleveland Medical Center (2007)
  • Colon & Rectal Surgery; Cleveland Clinic Foundation (2006)

Board Certifications

  • American Board of Colon and Rectal Surgery (Colon & Rectal) (2008)

Research & Publications

Research Summary

Clinical Research interest focused on minimally invasive surgery, robotics, patient outcomes, and advanced technology

Technology Expertise Keywords

Robotic surgery, Artificial Intelligence, Minimally invasive surgery

Selected Publications

A comparison of laparoscopic and robotic colorectal surgery outcomes using the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) database. Bhama AR, Obias V, Welch KB, Vandewarker JF, Cleary RK. Surg Endosc. 2016;30(4):1576-84

Elective Stoma Reversal Has a Higher Incidence of Postoperative Clostridium Difficile Infection Compared With Elective Colectomy: An Analysis Using the American College of Surgeons National Surgical Quality Improvement Program and Targeted Colectomy Databases. Skancke M, Vaziri K, Umapathi B, Amdur R, Radomski M, Obias V. Dis Colon Rectum. 2018;61(5):593-598

Intracorporeal versus extracorporeal anastomosis for minimally invasive right colectomy: A multi-center propensity score-matched comparison of outcomes.Cleary RK, Kassir A, Johnson CS, Bastawrous AL, Soliman MK, Marx DS, Giordano L, Reidy TJ, Parra-Davila E, Obias VJ, Carmichael JC, Pollock D, Pigazzi A. PLoS One. 2018;13(10):e0206277

Robotic transanal microsurgery for high early rectal neoplasia (T0-T1, N0 lesions), case series of 10 patients.Arnott S, Skancke M, Obias V. Int J Med Robot. 2018;14(6):e1956

The Impact of Conversion to Laparotomy in Rectal Cancer : A National Cancer Database Analysis of 57 574 Patients.Parascandola SA, Hota S, Tampo MMT, Sparks AD, Obias V. Am Surg. 2020;86(7):811-818

Activities & Honors


  • Washingtonian Top Doc Award, Washingtonian Magazine, 2012 - 2022
  • Castle Connolly Americas Top Doctor award, Castle Connolly Medical Ltd, 2011 - 2022
  • US News and World Report Top Doctor-Washington DC area, US News and World Report, 2012 - 2022
  • US News and World Report Top Doctor-Baltimore/Washington DC area, US News and World Report, 2012 - 2022
  • Northern Virginia Magazine Top Doc, Northern Virginia Magazine, 2020 - 2022
  • Visiting Professor University of the Philippines: Philippine General hospital., University of the Philippines, 2021 - 2022


  • American Society of Colon and Rectal Surgery

    National society for board certified colon and rectal surgeons. I have worked on numerous committees including the New technology committee, the social media committee, and regional society committee. I also have numerous presentations and have run the robotic course at the national meeting for the last 5 years. 

  • American College of Surgeons

    I have run the anorectal course for multiple years and presented at the yearly meeting as well. 

  • Society of American Gastrointestinal and Endoscopic Surgeons

    I have made multiple podium presentations for the national meeting of this society as well as organized multiple sessions. 

  • Clinical Robotic Surgery Association

    I have presented, and organized, multiple sessions at the yearly meetings. 

Videos & Media

Lectures and Presentations

  • Beyond the Horizon: Robotic TME vs taTME in the Deep Pelvis. - Why the Robotic Approach is best.
    Podium Presentation, National Meeting, SAGES, Virtual (08/01/2020)
  • I can do robotic TME, why taTME is a waste of space.
    Podium Presentation, Orlando colorectal Live, Orlando, FL (11/01/2019)
    Advent Health
  • Flex Robotic System: A Novel Technology For Transanal Excision of Rectal Malignancy.
    Podium Presentation, National Meeting, SAGES, Seattle, WA (04/01/2018)
  • Robotic Complications: How to Avoid and Treat.
    Podium Presentation, National Meeting, Philippine society of colon and rectal surgery annual meeting, Manila, Philippines (04/01/2019)
    Philippine society of colon and rectal surgery
  • Robotic Single Incision Colorectal Surgery.
    Podium Presentation, Annual meeting, Yonsei Severance Minimally Invasive Surgery Annual Conference, Seoul, Korea (10/01/2015)
    Yonsei Severance Hospital
  • Robotic Surgery for Benign Colorectal Disease.
    Podium Presentation, Annual meeting, Minimally Invasive Robotic Association Annual Meeting, Athens, Greece (05/01/2011)
    Minimally Invasive Robotic Association

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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